Trắc nghiệm nguyên lí các hệ điều hành (Khoa CNTT Đại học Thái Nguyên)

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Website: WWW.BeautifulLife.Cwahi.Net

TNG HP NGN HNG TRC NGHIM NGUYN L H IU HNH Khoa CNTT, i hc Thi Nguyn

Contact information: Email: [email protected] Website: www.BeautifulLife.cwahi.net

Chng 1: M u (6 cu) 1/ H iu hnh l chng trnh hot ng gia ngi s dng vi : a/ Phn mm ca my tnh b/ Phn cng ca my tnh c/ Cc chng trnh ng dng d/ CPU v b nh p n : b 2/ Trong vic phn loi m hnh h iu hnh, loi c nhiu b x l cng chia s h thng ng truyn, d liu, ng h, b nh, cc thit b ngoi vi thuc dng : a/ H thng x l a chng b/ H thng x l a nhim c/ H thng x l song song d/ H thng x l phn tn e/ H thng x l thi gian thc p n : e 3/ My tnh c th lu tr thng tin trong nhiu dng thit b vt l khc nhau nh bng t, a t,.. thng nht cch truy xut h thng lu tr trong my tnh, h iu hnh nh ngha mt n v lu tr l : a/ Th mc b/Partition c/FAT d/ Tp tin p n : d1|MichaleKin g



4/ h iu hnh c cu trc phn lp, tp hp cc li gi h thng c to ra bi : a/ Lp phn cng b/Lp giao tip vi ngi s dng c/Lp ng dng d/Lp k lp phn cng - ht nhn p n : d 5/ Li gi h thng l lnh do h iu hnh cung cp dng giao tip gia h iu hnh v: a/ Tin trnh b/ Chng trnh ng dng c/ Phn cng my tnh d/ Ngi s dng p n : a 6/Trong cc cu trc ca h iu hnh sau y cu trc no tng thch d dng vi m hnh h thng phn tn a/ Cu trc n gin b/ Cu trc theo lp c/ Cu trc my o d/ Cu trc Servicer-client p n : d Chng 2 : Qun l tin trnh (16 cu) 1/ Cu no sau y l khng chnh xc : a/ Tin trnh l mt chng trnh ang trong b nh b/ Tin trnh l mt chng trnh ang x l, s hu mt khng gian a ch, mt con tr lnh, mt tp cc thanh ghi v stack c/ Tin trnh t quyt nh thi im cn dng hot ng ang x l phc v tin trnh khc. d/ Cc tin trnh c th lin lc vi nhau khng thng qua h iu hnh. e/ Cu c,d l ng f/ Cu a,b l ng p n : e 2/Tin trnh yu cu mt ti nguyn nhng cha c p ng v ti nguyn cha sn sng, hoc tin trnh phi ch mt s kin hay thao tc nhp xut thuc dng chuyn trng thi no sau y: a/ Running -> Ready b/ Ready -> Running2|MichaleKin g



c/ Running -> Blocked d/ Blocked -> Ready e/ Running -> End p n : c 3/ Khi mt tin trnh ngi dng gi n mt li gi h thng, tin trnh ca h iu hnh x l li gi ny hot ng theo ch : a/ Khng c quyn b/ c quyn c/ Khng cu no ng p n : b 4/Gi tin trnh A sinh ra tiu trnh B, C, cu no sau y l khng chnh xc : a/ Tiu trnh B v C khng s chung con tr lnh b/ Tiu trnh B v C khng s chung khng s chung tp thanh ghi c/ Tiu trnh B v C khng s chung stack d/Tiu trnh B v C khng s chung khng gian a ch. p n : d 5/ DCB l mt vng nh lu tr cc thng tin m t v tin trnh, n c nhiu thnh phn. Thng tin v danh sch cc ti nguyn h thng m tin trnh ang s dng thuc loi thnh phn no sau y : a/ nh danh ca tin trnh b/ Trng thi ca tin trnh c/ Thng tin giao tip d/ Ng cnh ca tin trnh e/Thng tin thng k p n : d 6/ Khi mt tin trnh kt thc x l, h iu hnh hu b n bng mt s hot ng, hot ng no sau l khng cn thit : a/ Hu b nh danh ca tin trnh. b/ Thu hi cc ti nguyn cp pht cho tin trnh c/ Hu tin trnh ra khi tt c cc danh sch qun l ca h thng d/ Hu b PCB ca tin trnh e/ cu b,c l ng p n : a 7/ H iu hnh s dng cc thnh phn no sau y ca n chuyn i ng cnh v trao CPU cho mt tin trnh khc (i vi tin trnh ang thc thi) a/ B iu phi3|MichaleKin g



b/ B phn phi c/ Khi qun l tin trnh d/ Khi qun l ti nguyn p n : b 8/ cc tin trnh chia s CPU mt cch cng bng, khng c tin trnh no phi ch i v hn c cp CPU, h iu hnh dng thnh phn no gii quyt vn ny: a/ B iu phi b/ Khi qun l tin trnh c/ Khi qun l ti nguyn d/ B phn phi p n : a 9/ Gii thut iu phi n gin v d ci t nhng khng thch hp vi cc h thng nhiu ngi dng thuc loi : a/ iu phi c quyn b/ iu phi khng c quyn c/ Khng cu no ng d/ C hai cu u ng p n : a 10/ Nguyn l phn phi c quyn thng thch hp vi cc h x l : a/ H thng x l theo thi gian thc b/ H thng a chng c/ H thng chia s tng tc d/ H thng x l theo l e/ khng cu no ng p n : d 11/Tin trnh ang thc thi s chuyn v loi danh sch no khi xy ra s kin i mt thao tc nhp/xut hon tt, yu cu ti nguyn d liu cha c tho mn, yu cu tm dng: a/ Danh sch sn sng (Ready list) b/ Danh sch tc v (Job list) c/ Danh sch ch i (Waiting list) d/ Khng cu no ng p n : c 12/ Trong ton b h thng h iu hnh s dng bao nhiu danh sch sn sng: a/ 2 danh sch4|MichaleKin g



b/ 1 danh sch c/ Mt danh sch cho mi tin trnh d/ Mt danh sch cho mt cho mi ti nguyn (thit b ngoi vi) e/ Cu c,d l ng p n: b 13/ Chc nng iu phi tc v ca h iu hnh c kch hot khi : a/ H thng to lp mt tin trnh b/ Tin trnh kt thc x l c/ Xy ra ngt d/ Cu a,b ng e/ Cu b,c ng p n: d 14/ Thut ton no sau y l thut ton c th iu phi theo nguyn tc c quyn : a/ FIFO b/ Xoay vng c/ iu phi vi u tin d/ Theo cng vic ngn nht (Shortest job first) e/ Chin lc iu phi vi nhiu mc u tin f/ Cu a,c,d ng g/ Cu c,d,e ng p n :h 15/ Cho thut ton iu phi FIFO, vi bng sau: Tin trnh Thi im vo RL P1 P2 P3 012 Thi gian ch ca tt c cc tin trnh l : a/ 24s b/ 27s c/ 30s d/ 25s p n d 16/ Cho thut ton iu phi Round bin,quantum l 4 vi bng sau: Tin trnh Thi im vo RL Thi gian x l P1 P2 P3 012 24 3 3 Thi gian ch ca tt c cc tin trnh l : a/ 24s b/ 14s5|MichaleKin g

Thi gian x l 24 3 3



c/ 30s d/ 25s p n b 17/ Cho thut ton iu phi vi cp u tin v c quyn, vi bng sau: Tin trnh u tin Thi im vo RL Thi gian x l P1 P2 P3 312 012 24 3 3 Thi gian ch ca tt c cc tin trnh l : a/ 48s b/ 47s c/ 30s d/ 25s p n a 18/ Cho thut ton iu phi vi cp u tin v khng c quyn, vi bng sau: Tin trnh u tin Thi im vo RL Thi gian x l P1 P2 P3 312 012 24 3 3 Thi gian ch ca tt c cc tin trnh l : a/ 8s b/ 7s c/ 9s d/ 5s p n a 19/ Khi mt tin trnh c to ra m b nh cha ch n s c chn vo danh sch : a/ Danh sch tc v(Job list) b/ Danh sch sn sng(Ready list) c/ Danh sch ch (waiting list) p n : a Chng 3 : Lin lc v ng b tin trnh (8 cu) 1/ Cu no sau y pht biu khng chnh xc: a/ Tin trnh x l tn hiu theo cch ring ca n b/ Tin trnh x l tn hiu bng cch gi hm x l tn hiu c/ Tin trnh c th trao i d liu d/ Tin trnh c th thng bo cho nhau v mt s kin e/ Cu c,d ng6|MichaleKin g



p n : d 2/ Phng php nhanh nht trao i thng tin gia cc tin trnh a/ ng ng b/ Vng nh chia s c/ Trao i thng ip d/ Socket p n : b 3/ K thut no sau y khng th p dng hiu qu trong h thng phn tn a/ ng ng (Pipe) b/ Vng nh chia s c/ Trao i thng ip d/ Socket e/ Cu c,d l ng p n : e 4/ K thut no sau y l lin lc trc tip gia hai tin trnh a/ ng ng (Pipe) b/ Vng nh chia s c/ Trao i thng ip d/ Socket p n : a 5/ Khi gii quyt bi ton min ging, iu kin no sau y l khng cn thit: a/ Khng c hai tin trnh no trong min ging cng mt lc b/ Phi gi thit tc cc tin trnh, cng nh v s lng b x l c/ Mt tin trnh bn ngoi min ging khng c ngn cn cc tin trnh khc vo min ging d/ Khng c tin trnh no phi ch v hn c vo min ging p n : b 6/ Trong cc gii php ng b tin trnh sau, gii php no vi phm iu kin Khng c hai tin trnh cng trong min ging cng lc. a/ S dng bin c hiu b/ S dng lun phin c/ Gii php Peterson d/ Cu b,c l ng p n : a 7/ Trong cc gii php ng b tin trnh sau, gii php no gii quyt c vn truy7|MichaleKin g



xut c quyn trn cc my tnh c mt hay nhiu b x l chia s mt vng nh chung a/ Trao i thng ip b/ Monitor c/ Semaphone d/ Sleep v Wakeup e/ Cu a,b l ng f/ Cu b,c l ng p n : f 8/ Trong cc gii php sau, gii php no tin trnh ang ch nhng vn chim dng CPU a/ Sleep and Wakeup b/ Monitor c/ Semaphone d/ Busy waiting e/ Trao i thng ip p n : d Chng 5 : Tc nghn ( 5 cu) 1/ Trong cc bin php ngn chn tc nghn sau, bin php no d nh hng n vic bo v tnh ton vn d liu ca h thng: a/ Tin trnh phi yu cu tt c cc ti nguyn trc khi x l b/ Khi mt tin trnh yu cu mt ti nguyn mi v b t chi, n phi gii phng ti nguyn ang b chim gi, sau c cp pht tr li cng ln vi ti nguyn mi c/ Cho php h thng thu hi ti nguyn t cc tin trnh b kho v cp pht tr li cho tin trnh khi n thot khi tnh trng b kho. d/ Cu a v b ng e/ Cu b v c ng p n : e 2/ ngn chn tc nghn chng ta phi m bo ti thiu mt trong cc iu kin gy ra tc nghn khng c xy ra, trong cc iu kin sau iu kin no l kh c kh nng thc hin c : a/ C s dng ti nguyn khng th chia s b/ S chim gi v yu cu thm ti nguyn khng th chia s c/ Khng thu hi c ti nguyn t tin trnh ang gi chng d/ Tn ti mt chu k trong th cp pht ti nguyn p n : a 3/ Trong th cp pht ti nguyn, ti nguyn c th hin bng :8|MichaleKin g



a/ Hnh trn b/ Hnh thoi c/ Hnh vung d/ Hnh tam gic p n : c 4/ Trong th cp pht ti nguyn, tin trnh c th hin bng : a/ Hnh trn b/ Hnh thoi c/ Hnh vung d/ Hnh tam gic p n : a 5/ ngn chn mt tc nghn ch cn: a/ C s dng ti nguyn khng th chia s b/ S chim gi v yu cu thm ti nguyn khng th chia s c/ Khng thu hi c ti nguyn t tin trnh ang gi chng d/ Tn ti mt chu k trong th cp pht ti nguyn e/ Mt trong cc iu kin trn khng xy ra p n : e Chng 6 : Qun l b nh (17 cu) 1/ a ch thc t m trnh qun l b nh nhn thy v thao tc l: a/ a ch logic b/ a ch vt l c/ Khng gian a ch d/ Khng gian vt l p n : b 2/Tp hp tt c a ch o pht sinh bi mt chng trnh gi l: a/ Khng gian a ch b/ Khng gian vt l c/ a ch vt l d/ a ch logic p n : a 3/ Vo thi im no sau y tin trnh ch thao tc trn a ch o, khng bao gi thy c cc a ch vt l a/ Thi im bin dch b/ Thi im np c/ Thi im x l9|MichaleKin g



d/ Cu a,b l ng p n : c 4/ Trong vic cp pht vng nh lin tc cho tin trnh, m hnh no cho php di chuyn tin trnh trong b nh sau khi np : a/ M hnh Linker-Loader b/ M hnh Base-Limit c/ C hai cu u ng d/ C hai cu u sai p n : a 5/ Thut ton chn on trng tho mn nhu cu cho mt tin trnh (trong phn on vng nh ) a/ First-fit b/ Best-fit c/Worst-fit d/Khng cu no ng p n : d 6/ Hin tng phn mnh l : a/ Vng nh b phn thnh nhiu vng khng lin tc b/ Vng nh trng c dn li t cc mnh b nh nh ri rc c/ Tng vng nh trng tho mn nhu cu nhng cc vng nh ny li khng lin tc nn khng cp cho tin trnh khc d/ Khng cu no ng p n : c 7/ Trong k thut cp pht vng nh phn on mt a ch o c th hin bi: a/ B trong s l s hiu phn on, d l a ch tng i trong s b/ B vi base l ch s nn, limit l ch s gii hn c/ Khng cu no ng d/ C hai cu u ng p n : a 8/ Vi a ch logic v thanh ghi nn STBR, thanh ghi gii hn STLR a ch vt l c tnh tng ng vi a ch logic l: a/ STLR -s-d b/ STBR+s+d c/ STLR- STBR+s+d d/ s+d p n :b10 | M i c h a l e K i n g



9/ Thut ton chn vng trng u tin ln np tin trnh l: a/ First-fit b/Best-fit c/Worst-fit d/ Khng cu no ng p n :a 10/ Thut ton chn vng trng u t do nh nht nhng ln np tin trnh l: a/ First-fit b/Best-fit c/Worst-fit d/ Khng cu no ng p n :b 11/ Thut ton chn vng trng u t do ln nht np tin trnh l: a/ First-fit b/Best-fit c/Worst-fit d/ Khng cu no ng p n :c 12/ Trong k thut phn trang nu kch thc khng gian a ch l 2m kch thc trang l 2n cu no sau y pht biu khng chnh xc: a/ n-m bit cao ca a ch o biu din s hiu trang v n bit thp cho bit a ch tng i trong trang b/ m-n bit thp ca a ch o biu din s hiu trang v n bit cao cho bit a ch tng i trong trang c/ m-n bit cao ca a ch o biu din s hiu trang v n bit thp cho bit a ch tng i trong trang d/ Cu b,c ng p n :c 13/ Xt c ch MMU trong k thut phn trang vi a o c dng chuyn i a ch ny sang a ch vt l, MMU dng bng trang, pht biu no sau y l chnh xc: a/ Phn t th d trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p b/ Phn t th p trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang d11 | M i c h a l e K i n g



c/ Phn t th p+d trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p d/ Phn t th p trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p p n :d 14/ K thut cp pht no sau y loi b c hin tng phn mnh ngoi vi a/ Phn trang. b/ Phn on c/ Cp pht lin tc d/ Cu a,b l ng p n : a 15/ Gi s b nh chnh c phn vng c kch thc theo th t l 600k, 500k, 200k, 300k, cc tin trnh theo th t yu cu cp pht c kch thc 212K, 417K, 112K, 426K .Nu s dng thut ton Best-fit qu trnh cp pht b nh s nh th no : a/ 212K->600K, 417K->500K,112K->300K,426K->200K b/212K->600K, 417K->500K,112K->200K,426K->300K c/212K->300K, 417K->500K,112K->200K,426K->300K d/ Khng cu no ng p n : c 16/ Xt khng gian a ch c 8 trang, mi trang c kch thc 1K nh x vo b nh c 32 khung trang, Hi phi dng bao nhiu bt th hin a ch logic ca khng gian a ch ny a/ 32bit b/ 8 bit c/ 24bit d/ 13bit p n :d 17/ Xt khng gian a ch c 8 trang, mi trang c kch thc 1K nh x vo b nh c 32 khung trang, Hi phi dng bao nhiu bt th hin a ch vt l ca khng gian a ch ny a/ 32bit b/ 8 bit c/ 15bit(215bit) d/ 13bit p n :c12 | M i c h a l e K i n g



17/ iu kin mt phn on c th thuc khng gian a ch ca 2 tin trnh: a/ Khng th c b/ Cc phn t trong bng phn on ca hai tin trnh ny cng ch n mt v tr vt l nht c/ Khng cu no ng p n : b Chng 7 : B nh o (12 cu) 1/ Thut ton thay th trang m chn trang lu c s dng nht trong tng lai thuc loi : a/ FIFO b/ LRU c/ Ti u d/ NRU p n : c 2/ Trong thut ton thay th trang c hi th hai nng cao trang c chn l trang : a/ Trang u tin c tm thy trong lp c u tin thp nht v khc rng. b/ Trang u tin c tm thy trong lp c u tin cao nht v khc rng . c/ Trang cui cng c tm thy trong lp c u tin thp nht v khc rng d/ Trang cui cng c tm thy trong lp c u tin cao nht v khc rng p n : a 3/ Thut ton thay th trang dng thi im cui cng trang c truy xut l thut ton : a/ FIFO b/ LRU c/ Ti u d/ NRU p n : b 4/ Thut ton thay th trang dng thi im trang s c s dng l thut ton : a/ FIFO b/ LRU c/ Ti u d/ NRU p n : c 5/Bit Dirty trong cu trc ca 1 phn t bng trang c ngha : a/ Cho bit trang no c truy xut n v trang no khng13 | M i c h a l e K i n g



b/ Cho bit trang c tn ti trong b nh hay khng. c/ Cho bit trang b thay i hay cha cp nht trang trn a. p n : c 6/ Gi p l xc sut xy ra 1 li trang (0 s vector bit l 218 bit = 215 byte =32K=8 khi 8/ Vi mt a 20M kch thc mt khi l 1K, nu qun l khi trng dng DSLK cn bao nhiu khi qun l a ny bao nhiu: a/ 20 khi b/ 40 khi c/ 80 khi d/16 khi p n :b HD: 4K=212 byte 20M = 20*210 = 215 khi => cn dng 2 byte lu mt s hiu khi 1 khi =1024 byte lu c 512 s hiu khi Cn 20*210 /512 ~ 40 khi qun l a ny 9/ Trong h thng tp tin ca MS-DOS sector u tin, track 0, side 0 i vi a cng thng tin v : a/ Boot sector b/ Bng partition b/ Bng FAT c/ D liu thng p n : b 9/ Trong bng FAT ca h thng tp tin MS-DOS ngi ta m t loi a bng cch : a/ Dng 2 entry u tin ca bng FAT b/ Dng 1 entry u tin ca bng FAT c/ Dng entry ca bng th mc RDET d/ Khng cu no ng p n :a 10/ i vi h thng m mt tp tin, MS-DOS tm cc thng tin v tp tin : a/ Bng FAT b/ Bng th mc c/ Boot sector d/ Tt c u sai17 | M i c h a l e K i n g



p n :b 11/ i vi tp tin ca WINDOW NTFS Partition, vi partition c kch thc t 8->16 Gb th s sector trn mt cluster l : a/ 8 Sector b/ 16 Sector c/ 32 Sector d/ 64 Sector p n : c 12/ Trong cu trc partition ca WINDOW NTFS thng tin v tp tin v th mc trn partition ny c lu trong: a/ Partition bootsector b/ Master File Table (MFT) c/ Cc tp tin h thng d/ Vng cc tp tin p n : b 13/ To, hu, m ,ng, c, ghi l cc tc v cn thit h iu hnh: a/ Qun l tp tin b/ Qun l b nh c/ Qun l tin trnh d/ Qun l mng e/ Khng cu no ng p n :a Chng 9 : Qun l nhp xut (12 cu) 1/ Thit b no sau y khng l thit b nhp/xut tun t : a/ Mn hnh b/ Bn phm c/ Chut d/ Card mng e/ a p n :e 2/ Vn chuyn DMA c thc hin bi : a/ B iu khin thit b b/ CPU c/ B nh trong d/ Cu a,b l sai p n : a18 | M i c h a l e K i n g



3/ V d trong ngn ng lp trnh C cu lnh Count = Write(fd,buffer,nbytes); thuc phn mm xut nhp no sau y: a/ iu khin thit b b/ Phn mm nhp xut phm vi ngi s dng c/ Phn mm nhp xut c lp vi thit b c/ Cu b,c l ng p n : b 4/ Trong h thng I/O a thi gian u c n ng khi cn thit trn mt track gi l : a/ Seek time b/ Tranfer time c/ Latency time d/ Khng cu no ng p n : c 5/ Trong h thng I/O a thi gian u c n ng track cn thit trn mt a gi l : a/ Seek time b/ Tranfer time c/ Latency time d/ Khng cu no ng p n : a 6/ Khi h thng phi truy xut d liu khi lng ln th thut ton lp lch no sau y l hiu qu: a/ FCFS b/ SSTF c/ SCAN d/ C-SCAN e/ Cu a,b l ng f/ Cu c,d l ng p n : f 7/ Khi h thng phi truy xut d liu c s khi lin tc th thut ton lp lch no sau y l hiu qu nht: a/ FCFS b/ SSTF c/ SCAN19 | M i c h a l e K i n g



d/ C-SCAN e/ Cu a,b l ng f/ Cu c,d l ng p n : a 8/ V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch SCAN th u c s ln lt qua cc khi c th t no sau y: a/ 53, 37, 14, 65, 67, 98, 122, 124, 183 b/ 53, 65, 67, 98, 122, 124, 183,37,14 c/ 53, 14, 37, 65, 67, 98, 122, 124, 183 d/ 53, 183, 124, 122, 98, 67, 65, 37, 14 e/ Cu a,b l ng f/ Cu c,d l ng p n : e 9/ V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch C-SCAN th u c s ln lt qua cc khi c th t no sau y: a/ 53, 37, 14, 65, 67, 98, 122, 124, 183 b/ 53, 65, 67, 98, 122, 124, 183,14,37 c/ 53, 14, 37, 65, 67, 98, 122, 124, 183 d/ 53, 183, 124, 122, 98, 67, 65, 37, 14 e/ Cu a,b l ng f/ Cu c,d l ng p n : b 10/ V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch FCFS th u c s ln lt qua cc khi c th t no sau y: a/ 53, 37, 14, 65, 67, 98, 122, 124, 183 b/ 53, 65, 67, 98, 122, 124, 183,37,14 c/ 53, 14, 37, 65, 67, 98, 122, 124, 183 d/ 53, 98, 183, 37, 122, 14, 124, 65, 67 e/ Cu a,b l ng f/ Cu c,d l ng p n : d 11/ V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch SSTF th u c s ln lt qua cc khi c th t no sau y: a/ 53, 37, 14, 65, 67, 98, 122, 124, 183 b/ 53, 65, 67, 37, 14, 98,122, 124, 183 c/ 53, 14, 37, 65, 67, 98, 122, 124, 183 d/ 53, 183, 124, 122, 98, 67, 65, 37, 1420 | M i c h a l e K i n g



e/ Cu a,b l ng f/ Cu c,d l ng p n : b 12/ Trn a cc sector c s hiu lin tip nhau lun nm k bn nhau a/ ng b/ Sai p n :b

THI K6

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Cu 1 : Giai on no nh du s pht trin mnh m ca h iu hnh mng v h iu hnh phn tn ? A. Thp nin 70 B. Thp nin 80 C. Thp nin 90 D. 2000 Cu 2 : H iu hnh gm nhng thnh phn c bn no? A. Thnh phn iu khin v cc chng trnh tin ch B. Thnh phn iu khin,thnh phn ng dng v cc chng trnh tin chC. Cc chng trnh tin ch v cc thnh phn ng dng

D. Thnh phn iu khin v cc thnh phn ng dng Cu 3 : iu khin qu trnh ( bi ton ) c chc nng no di y : A. Thc hin cng vic vo ra d liu gia b nh ngai v b nh trong B. Thc hin lun phin cc qu trnh ( process; bi ton : task) ang tn ti trong b nh C. Tip nhn cc nhim v ( Yu cu ca ngi dng) D. m bo vic a cc modun chng trnh t b nh ngai vo b nh trong ti mt a ch trong vng nh Cu 4 : H iu hnh l thnh phn no trong h thng my tnh ? A. Phn cng B. Phn mm C. Chng trnh ng dng D. Ngi s dng Cu 5 : Cu trc no khng thuc cu trc ca h iu hnh A. Cu trc n gin B. Cu trc phn lp C. Cu trc phc tp D. Cu trc microkernala Cu 6 : u khng phi l vai tr ca h iu hnh trong thnh phn qun l tin trnh ? A. To v hy cc tin trnh ca ngi s dng v ca h thng 26 | M i c h a l e K i n g



B. Lu tr thng tin v cc v tr trong b nh s dng v tin trnh no ang s dng C. Cung cp cc c ch ng b tin trnh D. Cung cp cc c ch giao tip gia cc tin trnh Cu 7 : S tin trnh 2 trng thi bao gm A. Khi to v kt thc B. Khi to v chy C. Khi to, tm dng, chy D. Chy v khng chy Cu 8 : Trng thi ca tin trnh ti mt thi im c ngha l A. Hot ng hin thi ca tin trnh ti thi im B. Hot ng ca tin trnh trong h thng

C. Hot ng hin thi ca tin trnh D. Hot ng ca cc tin trnh trong cng h thng Cu 9 : Tin trnh trng thi Running c ngha l : A. Tin trnh ang hot ng B. Tin trnh nhn c CPU C. Tin trnh ang bt u cc x lD. Nhn c CPU v bt u cc x l ca mnh

Cu 10 : PCB l g ? A. L mt vng nh B. L nh danh cho tin trnh C. L khi qun l thng tin D. L mt vng nh lu tr cc thng tin qun l tin trnh Cu 11 : Ti nguyn s dng c ngha l ? A. Ti nguyn m tin trnh s dng ca h thng B. Ti nguyn m tin trnh to ra trong qu trnh x l C. Ti nguyn m tin trnh yu cu them D. Ti nguyn m tin trnh tr v cho h thng 27 | M i c h a l e K i n g

Email: [email protected] Cu 12 : Thng tin giao tip trong h thng A. ?? B. ? C. Quan h cha con D. Quan h v ti nguyn trong h thng Cu 13 : tin trnh cha c ngha l ? A. To ra tin trnh khc B. Do tin trnh khc to ra C. Do h thng to ra D. Mi c a vo h thng Cu 14 : h iu hnh lm g khi kt thc tin trnh A. a tin trnh ra khi h thng


B. Hy tin trnh khi tt c cc danh sch qun l ca h thng

C. Cp pht CPU cho tin trnh D. Cp pht ti nguyn ban u cho tin trnh Cu 15 : u l gii php ng b ha ca gii php Sleep and Wakeup A. Semaphore B. S dng bin c hiu C. Kim tra lun phin D. Peterson Cu 16 : i vi gii php s dng vic kim tra lun phin, c p dng cho my tin trnh A. 1 B. 2 C. 3 D. >3 Cu 17 : tc nghn khng xy ra cn m bo ti thiu bao nhiu iu kin cn khng xy ra A. 0 B. 1 28 | M i c h a l e K i n g

Email: [email protected] C. 2 D. 3


Cu 18 : i vi gii php s dng bin c hiu vn xy ra tnh trn vi phm iu kin no gii quyt tt bi ton min gng A. iu kin 1 B. iu kin 2 C. iu kin 3 D. iu kin 4 Cu 19 : gii quyt bi ton min gng cn loi tr iu kin sau : A. Khng c gi thit no t ra cho s lin h v tc ca cc tin trnh cng nh v s lng b x l trong h thng B. Mt tin trnh tm dng bn ngoi khng c ngn cn tin trnh khc vo min gng C. C 2 tin trnh cng trong min gng D. Khng c tin trnh no phi ch v hn c v min gng Cu 20 : Thng tin no khng nm trong cu trc d liu mi loi ti nguyn A. nh danh ti nguyn B. Thng tin thng k C. Trng thi ti nguyn D. B cp pht Cu 21 : Mt tin trnh khi thi hnh gm chu k no A. Ch gm mt chu k x l (s dng CPU) B. Ch gm mt chu k nhp xut ( s dng cc thit b nhp xut ) C. Gm nhiu chu k x l, nhp xut xen k nhau D. Gm nhiu chu k x l v mt chu k nhp xut Cu 22 : on m minh ha cho gii php ng b ha tin trnh no ? P1 : While (TRUE) { job1(); Up(s);//nh thc 2 } P2: 29 | M i c h a l e K i n g

Email: [email protected] While(TRUE) { Down(s);//ch P1 Job2(); } A. Gii php Peterson


B. Gii php phn cng cm ngt s dng ch th TSL C. Gii php semaphore D. Gii php Monitors Cu 23 : Trong iu hi RR, nu q qu ln s dn n A. Gim kh nng tng tc ca h thng B. H thng hat ng khng cng bngC. Khng thch hp vi qui tc iu phi

D. Khng thch hp vi h thng a ngi dng Cu 24 : Gi s mt h iu hnh p dng gii thut Multilevel Feedback vi 5 mc u tin gim dn. Thi gian dnh cho hang i cp 1 l 0.5s. Mi hang i cp thp hn s c thi gian q di gp i hang i ng vi mc u tin cao hn n. Vy hang i cp 5 s c thi gian l A. 1s B. 2s C. 4s D. 8s Cu 25 : Tn hiu c gi i t mt tin trnh cha n tin trnh con l tn hiu c gi i A. Phn cng B. Phn mm C. Ngi dngD. T mt tin trnh ti mt tin trnh khc

Cu 26 : Tin trnh c pipe b dng khi A. Pipe trng B. Pipe ang c d liu C. Pipe ang ghi d liu D. Pipe y 30 | M i c h a l e K i n g



Cu 27 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU ) P1 : 0 : 24 ; P2 : 1 : 3; P3 : 2 : 3;S dng iu phi SJF khng c quyn th t cp pht CPU l A. P3;P2;P1 B. P3;P1;P2;P1 C. P2;P3;P1 D. P1;P2;P3;P1 Cu 28 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU ) P1 : 0 : 24 ; P2 : 1 : 3; P3 : 2 : 3;S dng iu phi SJF c quyn th t cp pht CPU l : A. P2;P1;P3 B. P3;P1:P2;P1 C. P2;P3;P1 D. P1;P2;P3 Cu 29 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU ) P1 : 0 : 24 ; P2 : 1 : 3; P3 : 2 : 3;S dng iu phi RR(q=4) thi gian ch TB l : A. 4.16 B. 4.06 C. 4.56 D. 4.66 Cu 30 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU : u tin) P1 : 0 : 24 : 3 ; P2 : 1 : 3 : 1 ; P3 : 2 : 3 : 2;S dng iu phi u tin c quyn thi gian ch TB l A. 16 B. 16.1 C. 16.01 D. 16.02 Cu 31 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU ) P1 : 0 : 5 ; P2 : 1 : 2; P3 : 2 : 8; P4 : 3 : 3; S dng iu phi SJF khng c quyn th t cp pht CPU l 31 | M i c h a l e K i n g

Email: [email protected] A. P1;P2;P4;P1;P3 B. P1;P3;P2;P4;P1 C. P1;P2;P4;P3;P4 D. P1;P2;P3;P4;P3


Cu 32 : Gi s c cc tin trnh trong h thng c cho nh sau (Tin trnh : Thi im vo : Thi gian s dng CPU ) P1 : 0 : 5 ; P2 : 1 : 2; P3 : 2 : 8; P4 : 3 : 3; S dng iu phi SJF khng c quyn thi gian ch TB l A. 3.23 B. 3.24 C. 3.25 D. 3.26 Cu 33 : Hy xc nh chui cp pht an thoan h thng sau : MAX ALLOCATION R1 R2 R3 R1 R2 5 6 8 4 3 4 4 5 5 5 3 2 3 4 3 3 3 4 3 3 AVAILABLE R2 2

P 1 P 2 P 3 P 4

R3 5 2 3 1

R1 3

R3 3

A. P1 > P2 > P4 > P3 B. P2 > P3 > P4 > P1 C. P1 > P3 >P4 > P2 D. P1 > P2 > P3 > P4 Cu 34 : i vi k thut cp pht n vng, trng hp no ng : A. Ti mt thi im cp pht vng nh cho mt tin trnh ngi dng B. H iu hnh t vng nh thp v lin tc C. H iu hnh t vng cao D. H iu hnh t cc vng nh ri rc Cu 35 : Phn mnh ni vi l hin tng nh th no ? 32 | M i c h a l e K i n g



A. L cc mnh nh nh khng s dng n trong phn vng c nh cho trcB. L cc mnh nh nh khng s dng n phn vng c nh cho trc

C. L cc vng nh ri ch cp pht cho tin trnh D. L cc vng nh nh cp cho tin trnh Cu 36 : Vi cp pht a vng vi phn vng ng, khi mt tin trnh c a v h thng, h iu hnh s thc hin trng hp no : A. Tm mt vng nh ri ln v cp pht cho tin trnh ny ton b vng nh B. Tm mt vng nh ri ln v cp pht cho tin trnh ny phn b nh va ng

kch thc tin trnh. Phn b nh cn li dnh cho tin trnh khc C. Tm cc vng nh ri ri rc m tng cc vng nh cp pht cho tin trnh D. Tm cc vng nh ri k nhau m tng ccvng nh cp pht cho tin trnh Cu 37 : i vi cp pht ng, cp pht Best Fit l cp pht vng nh t do tho mn iu kin no : A. u tin tm thy ln B. u tin tm thy C. Nh nht nhng ln cha tin trnh D. Ln nht nhng ln cha tin trnh Cu 38 : i vi cp pht ng, cp pht Best Fit, u im l g : A. Tm kim nhanh B. Tm kim luC. Tn dng hiu qun vng nh dnh cho tin trnh

D. Lng ph b nh Cu 39 : thc hin qun l cc khi ri bn s dng ci g : A. Mt bn cc bit B. Mt danh sch mc ni C. ?? D. Mt hng i Cu 40 : Vi phn trang, chuyn i a ch logic sang a ch vt l s dng bng no ? A. Bng phn trang 33 | MB.c Bngephn n i h a l K i on g

Email: [email protected] C. Bng khung trang D. Bng phn trang, phn on


Cu 41 : Vi vic s dng bng trang nghch o, mi a ch logic bao gm thng tin g : A. nh danh tin trnh, s hiu trang, s hiu khung trang B. nh danh tin trnh, s hiu trangC. S hiu trang, s hiu khung trang

D. nh danh tin trnh, s hiu trang, a ch tng i Cu 42 : i vi cp pht a vng vi n phn vng c nh c nhiu nht bao nhiu tin trnh trong b nh : A. 1 B. 2 C. 3 D. >=1 Cu 43 : gii quyt vn phn mnh ngoi vi cn tin hnh dn b nh, vic dn b nh sau no l tt nht : A. Ty thuc vo ng cnh B. Dch chuyn cc tin trnh v pha u b nh C. Dch chuyn cc tin trnh v pha gia b nh D. Dch chuyn cc tin trnh v pha cui b nh Cu 44 : Khng gian a ch 16 bit, qun l b nh theo on kt hp trang. di on ln nht l 4096 byte, di trang l 512 byte. Xc nh a ch logic A. S hiu trang phn on : 4 bit, s hiu phn trang : 3 bit, a ch tng i : 9 bit B. S hiu trang phn on : 5 bit, s hiu phn trang : 3 bit, a ch tng i : 8 bit C. S hiu trang phn on : 2 bit, s hiu phn trang : 5 bit, a ch tng i : 9 bit D. S hiu trang phn on : 4 bit, s hiu phn trang : 4 bit, a ch tng i : 8 bit Cu 45 : Khng gian a ch 16 bit, qun l b nh theo on kt hp trang. di on ln nht l 4096 byte, di trang l 256 byte. Xc nh a ch logic A. S hiu trang phn on : 4 bit, s hiu phn trang : 5 bit, a ch tng i : 7 bit B. S hiu trang phn on : 4 bit, s hiu phn trang : 4 bit, a ch tng i : 8 bit C. S hiu trang phn on : 3 bit, s hiu phn trang : 6 bit, a ch tng i : 7 bit 34 | M i c h a l e K i n g



D. S hiu trang phn on : 4 bit, s hiu phn trang : 3 bit, a ch tng i : 9 bit Cu 46 : Khng gian a ch 16 bit, qun l b nh theo on kt hp trang. di on ln nht l 2048 byte, di trang l 256 byte. Xc nh a ch logic A. S hiu trang phn on : 4 bit, s hiu phn trang : 3 bit, a ch tng i : 9 bit B. S hiu trang phn on : 6 bit, s hiu phn trang : 2 bit, a ch tng i : 8 bit C. S hiu trang phn on : 4 bit, s hiu phn trang : 4 bit, a ch tng i : 8 bit D. S hiu trang phn on : 5 bit, s hiu phn trang : 3 bit, a ch tng i : 8 bit Cu 47 : Cho bng phn on 0 1 2 3 4 LIMIT 300 100 60 48 20 BASE 250 128 14 80 230

Tnh a ch vt l khi a ch logic c dnh A. 400 B. 200 C. 280 D. Li a ch Cu 48 : u l phn m rng ca loi file th hin chc nng m ngun A. Exe, com, bin B. Obj,o C. C, pas, asm D. Bat, sh Cu 49 : u khng phi l thit b lu tr thng tin trn b nh ngoi A. RAM B. a cng C. a mm D. a CD Cu 50: Vi k thut phn on phn b nh vt l nh th no : A. Thnh cc khi c kich thc c nh v bng nhau 35 | M i c h a l e K i n g



B. Thnh cc khi c kch thc c nh v khc nhauC. Thnh cc khi c kch thc ng

D. Thnh mt vng nh

CC THI TNG HP + P N FULLTrc Nghim Nguyn L H iu Hnh. Sinh Vin : Phn 1 1 - H iu hnh l phn mm? [a]--Lun lun phi c my tnh hot ng [b]--iu khin thit b phn cng [c]--Qun l v phn phi ti nguyn my tnh phc v cho cc ng dng 2 - Vic truyn thng s t chng trnh ng dng n h iu hnh c th thc hin bng cch lu thng s trong? [a]--Cc thanh ghi v stack [b]--Vng nh trong b nh chnh [c]--Tt c cc cu trn u ng 3 - u im chnh ca Time-sharing system so vi Multiprogrammed system? [a]--Chi ph qun l cc process nh hn [b]--Thi gian p ng (response time) nh hn [c]--Tng hiu sut ca CPU 4 - K thut Overlay c p dng khi? [a]--Khng cn vng nh chy chng trnh [b]--Chng trnh c kch thc ln hn vng nh [c]--Chng trnh c kch thc nh hn vng nh 5 - Khi b nh c hin tng phn mnh (fragmentation) qu nhiu th HH s? [a]--Tin hnh thu gom nhng Hole nh thnh Hole ln hn36 | M i c h a l e K i n g



[b]--Loi b bt mt s process [c]--Treo my 6 - Mt trang b nh c qun l bi? [a]--Mt phn t trong bn trang [b]--PR (present bit) [c]--PF (page frame number)




7 - Trong k thut phn trang (Paging) khi b nh thc y th HH s? [a]--Tin hnh np li cc trang [b]--Thc hin chin lc thay th trang [c]--Loi b cc trang b li 8 - Process l g? [a]--Mt chng trnh lu trn a [b]--Mt chng trnh c np vo b nh [c]--Mt chng trnh np vo b nh v ang c CPU thc thi 9 - Trng thi BLOCKED ca mt process l do? [a]--ang ch nhp xut [b]--ang ch mt s kin no cha xy ra [c]--C 2 u ng 10 - Hnh ng no HH s thc thi mt process mi sinh ra? [a]--Cp CPU ngay cho process [b]--To ngay khi PCB qun l process [c]--Giao ngay cc ti nguyn m process cn Phn 2 1 - u tin ca cc process cho bit? [a]--Process s dng CPU nhiu hay t [b]--Process chim nhiu hay t vng nh [c]--Tm quan trng ca process 2 - Khi mt process chun b vo hay ra khi mt vng Critical Section th phi? [a]--Xin php HH [b]--Pht c hiu khi vo v tr khi ra [c]--C hai trn 3 - Hng i dnh cho cc process xp hng ch nhp xut c gi l? [a]--Busy-Waitting buffer38 | M i c h a l e K i n g



[b]--Ready queue [c]--Waitting queue 4 - Gii thut no sau y gi nhau? [a]--Gii thut an ton gi gii thut nh bng [b]--Gii thut nh bng gi gii thut an ton [c]--Hai gii thut trn chy c lp 5 - K thut nhp xut no sau y lm CPU t bn rn nht? [a]--Busy_waitting [b]--Interrup [c]--DMA 6 - Trong Linux, lnh no sau y cho php uninstall phn mm apache? [a]--rpm -i apache [b]--rpm -e apache [c]--rpm -u apache 7 - Trong Linux mun ngng lnh ping ta phi nhn phm? [a]--Ctrl + C [b]--Ctrl + D [c]--Ctrl + Break 8 - Trong Linux lnh ps -aux cho kt qu tng ng vi thao tc no sau y trong MS-Windows? [a]--Start/Shutdown [b]--Start/Run ri g cmd [c]--M chng trnh Task Manager 9 - Trong h thng file Ext2 cc thng tin c bn ca mt partition c lu ti vng? [a]--Super Block [b]--Group Descriptor [c]--C 2 vng trn 10 - Trong Ext2, th mc/root c qun l bi?39 | M i c h a l e K i n g



[a]--Inode s 1 [b]--Inode s 2 [c]--C 2 cu trn u sai Phn 3 1 - H iu hnh l mt thnh phn quan trng ca mi h thng my tnh. Mt h thng my tnh c th c chia thnh nhng thnh phn: [a]--Phn cng, h iu hnh [b]--Cc chng trnh ng dng ngi dng [c]--Tt c cc phng n trn ng 2 - Phn cng (Hardware) thng thng bao gm nhng g: [a]--B x l trung tm CPU, b nh [b]--Thit b nhp/xut, b x l trung tm, b nh [c]--Trnh bin dch ng dng 3 - Mc ch chnh ca h iu hnh l g: [a]--D dng s dng [b]--iu hnh hu hiu h thng my tnh [c]--C 2 p n trn u ng 4 - H thng a x l c nhng u im chnh no: [a]--Thng lng c gia tng v tit kim c chi ph [b]--Kh nng tin cy c gia tng [c]--C 2 p n trn u ng 5 - Cc h thng a x l thng dng nht hin nay s dng a x l i xng. Vy a x l i xng c ngha l: [a]--Tt c b x l l ngang hng, khng c mi quan h ch - t tn ti gia cc b x l [b]--C s phn bit r rt gia ch v t gia cc b x l [c]--C 2 p n trn u sai 6 - H my phc v tnh ton khc h my phc v tp tin ch:40 | M i c h a l e K i n g



[a]--H my ch phc v tnh ton cung cp giao din m khch hng c th gi cc yu cu thc hin hot ng, cn H my phc v tp tin cung cp giao din h thng tp tin [b]--H my phc v tp tin cung cp giao din m khch hng c th gi cc yu cu thc hin hot ng, cn H my phc v tnh ton cung cp giao din h thng tp tin [c]--H my tnh ton gip khch hng c th cp nht, c v xa tp tin cn h my tp tin th khng 7 - H thi thc c my dng: [a]--2 [b]--3 [c]--5 8 - Nu mun mt chng trnh c thc thi th n phi: [a]--nh x cc a v c np vo b nh [b]--Truy xut cc ch th chng trnh v d liu t b nh bng cch to ra cc a ch tuyt i [c]--C 2 p n trn u ng 9 - ci tin vic s dng CPU v tc p ng ca my vi tnh cho ngi dng, chng ta phi: [a]--Thay i ch lm vic ca thi gian thc [b]--Gi nhiu chng trnh vo b nh [c]--Tng din tch cho b nh chnh 10 - Khi cp n vn qun l b nh, H iu hnh c nhim v: [a]--Quyt nh qu trnh no c np vo b nh khi khng gian b nh tr nn sn sng [b]--Cp pht v thu hi khng gian b nh khi c yu cu [c]--C 2 p n trn u ng Phn 4 1 - H iu hnh l chng trnh hot ng gia ngi s dng vi : [a]--Phn mm ca my tnh [b]--Phn cng ca my tnh [c]--Cc chng trnh ng dng41 | M i c h a l e K i n g



[d]--CPU v b nh 2 - Trong vic phn loi m hnh h iu hnh, loi c nhiu b x l cng chia s h thng ng truyn, d liu, ng h, b nh, cc thit b ngoi vi thuc dng : [a]--H thng x l a chng [b]--H thng x l a nhim [c]--H thng x l song song [d]--H thng x l thi gian thc 3 - My tnh c th lu tr thng tin trong nhiu dng thit b vt l khc nhau nh bng t, a t,.. thng nht cch truy xut h thng lu tr trong my tnh, h iu hnh nh ngha mt n v lu tr l : [a]--Th mc [b]--FAT [c]--Tp tin [d]--Partition 4 - h iu hnh c cu trc phn lp, tp hp cc li gi h thng c to ra bi : [a]--Lp phn cng [b]--Lp k lp phn cng - ht nhn [c]--Lp ng dng [d]--Lp giao tip vi ngi s dng 5 - Li gi h thng l lnh do h iu hnh cung cp dng giao tip gia h iu hnh v: [a]--Tin trnh [b]--Chng trnh ng dng [c]--Phn cng my tnh [d]--Ngi s dng 6 - Trong cc cu trc ca h iu hnh sau y cu trc no tng thch d dng vi m hnh h thng phn tn [a]--Cu trc n gin [b]--Cu trc theo lp [c]--Cu trc my o42 | M i c h a l e K i n g



[d]--Cu trc Servicer-client 7 - Cu no sau y l khng chnh xc : [a]--Tin trnh l mt chng trnh ang trong b nh [b]--Tin trnh l mt chng trnh ang x l, s hu mt khng gian a ch, mt con tr lnh, mt tp cc thanh ghi v stack [c]--Tin trnh t quyt nh thi im cn dng hot ng ang x l phc v tin trnh khc. [d]--Tt c u khng chnh xc 8 - Tin trnh yu cu mt ti nguyn nhng cha c p ng v ti nguyn cha sn sng, hoc tin trnh phi ch mt s kin hay thao tc nhp xut " thuc dng chuyn trng thi no sau y: [a]--Running -> Ready [b]--Ready -> Running [c]--Running -> Blocked [d]--Blocked -> Ready 9 - Khi mt tin trnh ngi dng gi n mt li gi h thng, tin trnh ca h iu hnh x l li gi ny hot ng theo ch : [a]--Khng c quyn [b]--c quyn [c]--Khng cu no ng [d]--Tt c u ng 10 - Gi tin trnh A sinh ra tiu trnh B, C, cu no sau y l khng chnh xc : [a]--Tiu trnh B v C khng s chung con tr lnh [b]--Tiu trnh B v C khng s chung khng s chung tp thanh ghi [c]--Tiu trnh B v C khng s chung stack [d]--Tiu trnh B v C khng s chung khng gian a ch. Phn 5 1 - DCB l mt vng nh lu tr cc thng tin m t v tin trnh, n c nhiu thnh phn. Thng tin v danh sch cc ti nguyn h thng m tin trnh ang s dng thuc loi thnh phn no sau y : [a]--nh danh ca tin trnh43 | M i c h a l e K i n g



[b]--Trng thi ca tin trnh [c]--Thng tin giao tip [d]--Ng cnh ca tin trnh 2 - Khi mt tin trnh kt thc x l, h iu hnh hu b n bng mt s hot ng, hot ng no sau l khng cn thit : [a]--Hu b nh danh ca tin trnh [b]--Thu hi cc ti nguyn cp pht cho tin trnh [c]--Hu tin trnh ra khi tt c cc danh sch qun l ca h thng [d]--Hu b PCB ca tin trnh 3 - H iu hnh s dng cc thnh phn no sau y ca n chuyn i ng cnh v trao CPU cho mt tin trnh khc (i vi tin trnh ang thc thi) [a]--B iu phi [b]--B phn phi [c]--Khi qun l tin trnh [d]--Khi qun l ti nguyn 4 - cc tin trnh chia s CPU mt cch cng bng, khng c tin trnh no phi ch i v hn c cp CPU, h iu hnh dng thnh phn no gii quyt vn ny: [a]--B iu phi [b]--Khi qun l tin trnh [c]--Khi qun l ti nguyn [d]--B phn phi 5 - Gii thut iu phi n gin v d ci t nhng khng thch hp vi cc h thng nhiu ngi dng thuc loi : [a]--iu phi c quyn [b]--iu phi khng c quyn [c]--Khng cu no ng [d]--C hai cu u ng 6 - Nguyn l phn phi c quyn thng thch hp vi cc h x l : [a]--H thng x l theo thi gian thc44 | M i c h a l e K i n g



[b]--H thng a chng [c]--H thng chia s tng tc [d]--H thng x l theo l 7 - Tin trnh ang thc thi s chuyn v loi danh sch no khi xy ra s kin i mt thao tc nhp/xut hon tt, yu cu ti nguyn d liu cha c tho mn, yu cu tm dng: [a]--Danh sch sn sng (Ready list) [b]--Danh sch tc v (Job list) [c]--Danh sch ch i (Waiting list) [d]--Khng cu no ng 8 - Trong ton b h thng h iu hnh s dng bao nhiu danh sch sn sng: [a]--2 danh sch [b]--1 danh sch [c]--Mt danh sch cho mi tin trnh [d]--Mt danh sch cho mt cho mi ti nguyn (thit b ngoi vi) 9 - Chc nng iu phi tc v ca h iu hnh c kch hot khi : [a]--H thng to lp mt tin trnh [b]--Tin trnh kt thc x l [c]--Xy ra ngt [d]--Cu a,b ng 10 - Thut ton no sau y l thut ton c th iu phi theo nguyn tc c quyn : [a]--FIFO [b]--Xoay vng [c]--iu phi vi u tin [d]--Tt c u ng Phn 6 1 - Cho thut ton iu phi FIFO, vi bng sau:

Thi gian ch ca tt c cc tin trnh l :45 | M i c h a l e K i n g



[a]--24s [b]--25s [c]--27s [d]--30s 2 - Cho thut ton iu phi Round bin,quantum l 4 vi bng sau:

Thi gian ch ca tt c cc tin trnh l : [a]--24s [b]--25s [c]--14s [d]--30s 3 - Cho thut ton iu phi vi cp u tin v c quyn, vi bng sau:

Thi gian ch ca tt c cc tin trnh l : [a]--48s [b]--47s [c]--30s [d]--25s 4 - Cho thut ton iu phi vi cp u tin v khng c quyn, vi bng sau: Thi gian ch ca tt c cc tin trnh l : [a]--5s [b]--6s [c]--7s [d]--8s 5 - Khi mt tin trnh c to ra m b nh cha ch n s c chn vo danh sch : [a]--Danh sch tc v(Job list)46 | M i c h a l e K i n g



[b]--Danh sch sn sng(Ready list) [c]--Danh sch ch (waiting list) [d]--Tt c u sai 6 - Cu no sau y pht biu khng chnh xc: [a]--Tin trnh x l tn hiu theo cch ring ca n [b]--Tin trnh x l tn hiu bng cch gi hm x l tn hiu [c]--Tin trnh c th trao i d liu [d]--Tin trnh c th thng bo cho nhau v mt s kin 7 - Phng php nhanh nht trao i thng tin gia cc tin trnh : [a]--ng ng [b]--Vng nh chia s [c]--Trao i thng ip [d]--Socket 8 - K thut no sau y khng th p dng hiu qu trong h thng phn tn : [a]--ng ng (Pipe) [b]--Trao i thng ip [c]--Socket [d]--Cu b,c l ng 9 - K thut no sau y l lin lc trc tip gia hai tin trnh : [a]--ng ng (Pipe) [b]--Vng nh chia s [c]--Trao i thng ip [d]--Socket 10 - Khi gii quyt bi ton min ging, iu kin no sau y l khng cn thit: [a]--Khng c hai tin trnh no trong min ging cng mt lc [b]--Phi gi thit tc cc tin trnh, cng nh v s lng b x l [c]--Mt tin trnh bn ngoi min ging khng c ngn cn cc tin trnh khc vo min ging [d]--Khng c tin trnh no phi ch v hn c vo min ging47 | M i c h a l e K i n g



Phn 7 1 - Trong cc gii php ng b tin trnh sau, gii php no vi phm iu kin "Khng c hai tin trnh cng trong min ging cng lc". [a]--S dng bin c hiu [b]--S dng lun phin [c]--Gii php Peterson [d]--Cu b,c l ng 2 - Trong cc gii php ng b tin trnh sau, gii php no gii quyt c vn truy xut c quyn trn cc my tnh c mt hay nhiu b x l chia s mt vng nh chung : [a]--Trao i thng ip [b]--Monitor [c]--Semaphone [d]--Cu b,c l ng 3 - Trong cc gii php sau, gii php no tin trnh ang ch nhng vn chim dng CPU : [a]--Sleep and Wakeup [b]--Monitor [c]--Busy waiting [d]--Semaphone 4 - Trong cc bin php ngn chn tc nghn sau, bin php no d nh hng n vic bo v tnh ton vn d liu ca h thng: [a]--Tin trnh phi yu cu tt c cc ti nguyn trc khi x l [b]--Khi mt tin trnh yu cu mt ti nguyn mi v b t chi, n phi gii phng ti nguyn ang b chim gi, sau c cp pht tr li cng ln vi ti nguyn mi [c]--Cho php h thng thu hi ti nguyn t cc tin trnh b kho v cp pht tr li cho tin trnh khi n thot khi tnh trng b kho. [d]--Cu b,c l ng 5 - ngn chn tc nghn chng ta phi m bo ti thiu mt trong cc iu kin gy ra tc nghn khng c xy ra, trong cc iu kin sau iu kin no l kh c kh nng thc hin c : [a]--C s dng ti nguyn khng th chia s48 | M i c h a l e K i n g



[b]--S chim gi v yu cu thm ti nguyn khng th chia s [c]--Khng thu hi c ti nguyn t tin trnh ang gi chng [d]--Tn ti mt chu k trong th cp pht ti nguyn 6 - Trong th cp pht ti nguyn, ti nguyn c th hin bng : [a]--Hnh trn [b]--Hnh thoi [c]--Hnh vung [d]--Hnh tam gic 7 - Trong th cp pht ti nguyn, tin trnh c th hin bng : [a]--Hnh trn [b]--Hnh thoi [c]--Hnh vung [d]--Hnh tam gic 8 - ngn chn mt tc nghn ch cn: [a]--C s dng ti nguyn khng th chia s [b]--S chim gi v yu cu thm ti nguyn khng th chia s [c]--Mt trong cc iu kin trn khng xy ra [d]--Tn ti mt chu k trong th cp pht ti nguyn 9 - a ch thc t m trnh qun l b nh nhn thy v thao tc l: [a]--a ch logic [b]--a ch vt l [c]--Khng gian a ch [d]--Khng gian vt l 10 - Tp hp tt c a ch o pht sinh bi mt chng trnh gi l: [a]--Khng gian a ch [b]--Khng gian vt l [c]--a ch vt l [d]--a ch logic49 | M i c h a l e K i n g



Phn 8 1 - Vo thi im no sau y tin trnh ch thao tc trn a ch o, khng bao gi thy c cc a ch vt l : [a]--Thi im bin dch [b]--Thi im np [c]--Thi im x l [d]--Cu a,b l ng 2 - Trong vic cp pht vng nh lin tc cho tin trnh, m hnh no cho php di chuyn tin trnh trong b nh sau khi np : [a]--M hnh Linker-Loader [b]--M hnh Base-Limit [c]--C hai cu u ng [d]--C hai cu u sai 3 - Thut ton chn on trng tho mn nhu cu cho mt tin trnh (trong phn on vng nh ) [a]--First-fit [b]--Best-fit [c]--Worst-fit [d]--Khng cu no ng 4 - Hin tng phn mnh l : [a]--Vng nh b phn thnh nhiu vng khng lin tc [b]--Vng nh trng c dn li t cc mnh b nh nh ri rc [c]--Tng vng nh trng tho mn nhu cu nhng cc vng nh ny li khng lin tc nn khng cp cho tin trnh khc [d]--Khng cu no ng 5 - Trong k thut cp pht vng nh phn on mt a ch o c th hin bi: [a]--B trong s l s hiu phn on, d l a ch tng i trong s [b]--B vi base l ch s nn, limit l ch s gii hn [c]--Khng cu no ng [d]--C hai cu u ng50 | M i c h a l e K i n g



6 - Vi a ch logic v thanh ghi nn STBR, thanh ghi gii hn STLR a ch vt l c tnh tng ng vi a ch logic l: [a]--STLR -s-d [b]--STBR+s+d [c]--STLR- STBR+s+d [d]--s+d 7 - Thut ton chn vng trng u tin ln np tin trnh l: [a]--First-fit [b]--Best-fit [c]--Worst-fit [d]--Khng cu no ng 8 - Thut ton chn vng trng u t do nh nht nhng ln np tin trnh l: [a]--First-fit [b]--Best-fit [c]--Worst-fit [d]--Khng cu no ng 9 - Thut ton chn vng trng u t do ln nht np tin trnh l: [a]--First-fit [b]--Best-fit [c]--Worst-fit [d]--Khng cu no ng 10 - Trong k thut phn trang nu kch thc khng gian a ch l 2m kch thc trang l 2n cu no sau y pht biu khng chnh xc: [a]--n-m bit cao ca a ch o biu din s hiu trang v n bit thp cho bit a ch tng i trong trang [b]--m-n bit thp ca a ch o biu din s hiu trang v n bit cao cho bit a ch tng i trong trang [c]--m-n bit cao ca a ch o biu din s hiu trang v n bit thp cho bit a ch tng i trong trang [d]--Cu b,c ng51 | M i c h a l e K i n g



Phn 9 1 - Xt c ch MMU trong k thut phn trang vi a o c dng chuyn i a ch ny sang a ch vt l, MMU dng bng trang, pht biu no sau y l chnh xc: [a]--Phn t th d trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p [b]--Phn t th p trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang d [c]--Phn t th p+d trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p [d]--Phn t th p trong bng trang lu s hiu khung trang trong b nh vt l ang cha trang p 2 - K thut cp pht no sau y loi b c hin tng phn mnh ngoi vi : [a]--Phn trang. [b]--Phn on [c]--Cp pht lin tc [d]--Cu a,b l ng 3 - Gi s b nh chnh c phn vng c kch thc theo th t l 600k, 500k, 200k, 300k, cc tin trnh theo th t yu cu cp pht c kch thc 212K, 417K, 112K, 426K .Nu s dng thut ton Best-fit qu trnh cp pht b nh s nh th no : [a]--212K->600K, 417K->500K,112K->300K,426K->200K [b]--212K->600K, 417K->500K,112K->200K,426K->300K [c]--212K->300K, 417K->500K,112K->200K,426K->300K [d]--Khng cu no ng 4 - Xt khng gian a ch c 8 trang, mi trang c kch thc 1K nh x vo b nh c 32 khung trang, Hi phi dng bao nhiu bt th hin a ch logic ca khng gian a ch ny : [a]--32bit [b]--8 bit [c]--24bit [d]--13bit




5 - Xt khng gian a ch c 8 trang, mi trang c kch thc 1K nh x vo b nh c 32 khung trang, Hi phi dng bao nhiu bt th hin a ch vt l ca khng gian a ch ny : [a]--32bit [b]--8 bit [c]--15bit(2 m 15 bit) [d]--13bit 6 - iu kin mt phn on c th thuc khng gian a ch ca 2 tin trnh: [a]--Khng th c [b]--Cc phn t trong bng phn on ca hai tin trnh ny cng ch n mt v tr vt l [c]--Khng cu no ng [d]--Tt c u sai 7 - Thut ton thay th trang m chn trang lu c s dng nht trong tng lai thuc loi : [a]--FIFO [b]--LRU [c]--Ti u [d]--NRU 8 - Trong thut ton thay th trang "c hi th hai nng cao" trang c chn l trang : [a]--Trang u tin c tm thy trong lp c u tin thp nht v khc rng. [b]--Trang u tin c tm thy trong lp c u tin cao nht v khc rng . [c]--Trang cui cng c tm thy trong lp c u tin thp nht v khc rng [d]--Trang cui cng c tm thy trong lp c u tin cao nht v khc rng 9 - Thut ton thay th trang dng thi im cui cng trang c truy xut l thut ton : [a]--FIFO [b]--LRU [c]--Ti u [d]--NRU




10 - Thut ton thay th trang dng thi im trang s c s dng l thut ton : [a]--FIFO [b]--LRU [c]--Ti u [d]--NRU Phn 10 1 - Bit Dirty trong cu trc ca 1 phn t bng trang c ngha : [a]--Cho bit trang no c truy xut n v trang no khng [b]--Cho bit trang c tn ti trong b nh hay khng. [c]--Cho bit trang b thay i hay cha cp nht trang trn a [d]--Tt c u sai 2 - Gi p l xc sut xy ra 1 li trang (0 < p < 1) p= 0: khng c li trang no p=1: mi truy xut sinh ra mt li trang ma : thi gian truy xut b nh swapin, swapout l thi gian hon chuyn trang Thi gian thc hin 1ln truy xut b nh s l : [a]--EAT= p*ma +(1-p)*(swapout+swapout); [b]--EAT= (1-p)*ma + p*(swapout+swapout); [c]--EAT= p*ma + (1-p)*(swapout-swapout) [d]--Cu a,b l sai 3 - Vi thut ton thay th trang FIFO s dng 3 khung trang, s hiu cc trang i vo ln lt l: 1,2,3,4,1,2 nh bng sau :

S li trang l : [a]--6 li [b]--5 li [c]--4 li [d]--Khng cu no ng 4 - Cc thut ton sau thut ton no thuc loi thut ton thng k:54 | M i c h a l e K i n g



[a]--LFU [b]--LRU [c]--NRU [d]--Cu a v c ng 5 - S khung trang ti thiu cn cp pht cho mt tin trnh c quy nh bi : [a]--Kin trc my tnh [b]--Dung lng b nh vt l c th s dng [c]--Ngi lp trnh [d]--Khng cu no ng 6 - Nu tng s khung trang yu cu ca cc tin trnh trong h thng vt qu s khung trang c th s dng, h iu hnh s : [a]--Hu b tin trnh no dng nhiu khung trang nht [b]--Tm dng tin trnh no gii phng khung trang cho tin trnh khc hon tt [c]--Hu b tin trnh ang dng t khung trang nht [d]--Khng cu no ng 7 - Trong cc thut ton sau thut ton no khng l thut ton cp pht khung trang [a]--Cp pht cng bng [b]--Cp pht theo t l kch thc [c]--Cp pht theo th t trc sau. [d]--Cp pht theo u tin. 8 - Kiu tp tin no lin quan n nhp xut thng qua cc thit b nhp xut tun t nh mn hnh, my in, card mng [a]--Tp tin thng [b]--Th mc [c]--Tp tin c k t c bit [d]--Tp tin khi 9 - H iu hnh no sau phn bit ch thng, hoa i vi tp tin : [a]--MS-DOS [b]--UNIX55 | M i c h a l e K i n g



[c]--WINDOW [d]--Cu a,c l ng 10 - Loi th mc no d t chc v khai thc nhng gy kh khn khi t tn tp tin khng trng nhau v ngi s dng khng th phn nhm cho tp tin v tm kim chm : [a]--Th mc mt cp [b]--Th mc hai cp [c]--Th mc a cp [d]--Khng cu no ng Phn 11 1 - Cch ci t h thng tp tin no khng cn dng bng FAT [a]--Cp pht lin tc [b]--Cp pht khng lin tc dng danh sch lin kt [c]--Cp pht khng lin tc dng bng ch mc [d]--Cu a,b l ng 2 - Cch ci t h thng tp tin no khng b lng ph do phn mnh ngoi vi, khng cn dng bng FAT nhng truy xut ngu nhin s chm v kh bo v s hiu khi tp tin [a]--Cp pht lin tc [b]--Cp pht lin tc dng danh sch lin kt [c]--Dng bng ch mc [d]--Dng FAT 3 - Cch ci t h thng tp tin no sau y hiu qu cho vic qun l nhng h thng tp tin ln [a]--Cp pht lin tc [b]--Cp pht khng lin tc dng FAT [c]--Dng cu trc I-node [d]--Cu a,b l ng 4 - Vi mt a 1 Gb kch thc mt khi l 4K, nu qun l khi trng dng vector bit th kch thc vector bit l bao nhiu: [a]--2 khi [b]--4 khi56 | M i c h a l e K i n g



[c]--8 khi [d]--16 khi 5 - Vi mt a 20M kch thc mt khi l 1K, nu qun l khi trng dng DSLK cn bao nhiu khi qun l a ny bao nhiu: [a]--20 khi [b]--40 khi [c]--80 khi [d]--16 khi 6 - Trong h thng tp tin ca MS-DOS sector u tin, track 0, side 0 i vi a cng thng tin v : [a]--Boot sector [b]--Bng partition [c]--Bng FAT [d]--D liu thng 7 - Trong bng FAT ca h thng tp tin MS-DOS ngi ta m t loi a bng cch : [a]--Dng 2 entry u tin ca bng FAT [b]--Dng 1 entry u tin ca bng FAT [c]--Dng entry ca bng th mc RDET [d]--Khng cu no ng 8 - i vi h thng m mt tp tin, MS-DOS tm cc thng tin v tp tin : [a]--Bng FAT [b]--Bng th mc [c]--Boot sector [d]--Tt c u sai 9 - i vi tp tin ca WINDOW NTFS Partition, vi partition c kch thc t 8->16 Gb th s sector trn mt cluster l : [a]--8 Sector [b]--16 Sector [c]--32 Sector57 | M i c h a l e K i n g



[d]--64 Sector 10 - Trong cu trc partition ca WINDOW NTFS thng tin v tp tin v th mc trn partition ny c lu trong: [a]--Partition bootsector [b]--Master File Table (MFT) [c]--Cc tp tin h thng [d]--Vng cc tp tin Phn 12 1 - To, hu, m ,ng, c, ghi l cc tc v cn thit h iu hnh: [a]--Qun l tp tin [b]--Qun l b nh [c]--Qun l tin trnh [d]--Qun l mng 2 - Xt khng gian a ch c 8 trang, mi trang c kch thc 1K nh x vo b nh c 32 khung trang, Hi phi dng bao nhiu bt th hin a ch vt l ca khng gian a ch ny : [a]--32bit [b]--8 bit [c]--13bit [d]--15bit 3 - K thut cp pht no sau y loi b c hin tng phn mnh ngoi vi : [a]--Phn trang. [b]--Phn on [c]--Cp pht lin tc [d]--Cu a,b l ng 4 - Bit Dirty trong cu trc ca 1 phn t bng trang c ngha : [a]--Cho bit trang no c truy xut n v trang no khng [b]--Cho bit trang c tn ti trong b nh hay khng. [c]--Cho bit trang b thay [d]--Tt c u ng58 | M i c h a l e K i n g



5 - Trong cc thut ton sau thut ton no khng l thut ton cp pht khung trang : [a]--Cp pht cng bng [b]--Cp pht theo t l kch thc [c]--Cp pht theo th t trc sau. [d]--Cp pht theo u tin. 6 - Thit b no sau y khng l thit b nhp/xut tun t : [a]--Mn hnh [b]--Bn phm [c]--Chut [d]--a 7 - Vn chuyn DMA c thc hin bi : [a]--B iu khin thit b [b]--CPU [c]--B nh trong [d]--Cu a,b l sai 8 - V d trong ngn ng lp trnh C cu lnh Count = Write(fd,buffer,nbytes); thuc phn mm xut nhp no sau y: [a]--iu khin thit b [b]--Phn mm nhp xut phm vi ngi s dng [c]--Phn mm nhp xut c lp vi thit b [d]--Cu b,c l ng 9 - Trong h thng I/O a thi gian u c n ng khi cn thit trn mt track gi l : [a]--Seek time [b]--Tranfer time [c]--Latency time [d]--Khng cu no ng




10 - Trong h thng I/O a thi gian u c n ng track cn thit trn mt a gi l : [a]--Seek time [b]--Tranfer time [c]--Latency time [d]--Khng cu no ng Phn 13 1 - Khi h thng phi truy xut d liu khi lng ln th thut ton lp lch no sau y l hiu qu: [a]--FCFS [b]--SCAN [c]--C-SCAN [d]--Cu b,c l ng 2 - Khi h thng phi truy xut d liu c s khi lin tc th thut ton lp lch no sau y l hiu qu nht: [a]--FCFS [b]--SSTF [c]--SCAN [d]--C-SCAN 3 - V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch SCAN th u c s ln lt qua cc khi c th t no sau y: [a]--53, 37, 14, 65, 67, 98, 122, 124, 183 [b]--53, 65, 67, 98, 122, 124, 183,37,14 [c]--53, 183, 124, 122, 98, 67, 65, 37, 14 [d]--Cu a,b l ng 4 - V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch C-SCAN th u c s ln lt qua cc khi c th t no sau y: [a]--53, 37, 14, 65, 67, 98, 122, 124, 183 [b]--53, 65, 67, 98, 122, 124, 183,14,37 [c]--53, 14, 37, 65, 67, 98, 122, 124, 183 [d]--53, 183, 124, 122, 98, 67, 65, 37, 1460 | M i c h a l e K i n g



5 - V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch FCFS th u c s ln lt qua cc khi c th t no sau y: [a]--53, 37, 14, 65, 67, 98, 122, 124, 183 [b]--53, 65, 67, 98, 122, 124, 183,37,14 [c]--53, 14, 37, 65, 67, 98, 122, 124, 183 [d]--53, 98, 183, 37, 122, 14, 124, 65, 67 6 - V d cn c cc khi sau 98,183,37,122,14,122,65,67 u c ti v tr 53, dng thut ton lp lch SSTF th u c s ln lt qua cc khi c th t no sau y: [a]--53, 37, 14, 65, 67, 98, 122, 124, 183 [b]--53, 65, 67, 37, 14, 98,122, 124, 183 [c]--53, 14, 37, 65, 67, 98, 122, 124, 183 [d]--53, 183, 124, 122, 98, 67, 65, 37, 14 7 - Pht biu no sau y m t ng nht cho tng Application : [a]--M ho d liu [b]--Cung cp nhng dch v mng cho nhng ng dng ca ngi dng [c]--S dng a ch vt l cung cp cho vic truyn d liu v thng bo li , kin trc mng v iu khin vic truyn [d]--Cung cp nhng tn hiu in v nhng tnh nng cho vic lin kt v duy tr lin kt gia nhng h thng 8 - Bit Dirty trong cu trc ca 1 phn t bng trang c ngha : [a]--Cho bit trang c tn ti trong b nh hay khng. [b]--Cho bit trang cha b thay i [c]--Cho bit trang no c truy xut n v trang no khng [d]--Cho bit trang b thay i hay cha cp nht trang trn a. 9 - H iu hnh no sau phn bit ch thng, hoa i vi tp tin : [a]--WINDOW [b]--MS-DOS [c]--UNIX [d]--Cu a,bc l ng




10 - Vi mt a 1 Gb kch thc mt khi l 4K, nu qun l khi trng dng vector bit th kch thc vector bit l bao nhiu: [a]--16 khi [b]--8 khi [c]--4 khi [d]--2 khi

p n : Trc Nghim.Phn 1 1c 2c 3b 4b 5a 6c 7b 8c 9c 10 b Phn 2 1c 2c 3b 4c 5c 6b 7a 8c 9a 10 b Phn 3 1c 2b 3c 4c 5a 6a 7b 8c 9b 10 c Phn 4 1b 2d 3c 4b 5a 6d 7c 8c 9b 10 d Phn 5 1d 2a 3b 4a 5a 6d 7c 8b 9d 10 d Phn 6 1b 2c 3a 4d 5a 6d 7b 8d 9a 10 b Phn 7 1a 2d 3c 4d 5a 6c 7a 8c 9b 10 a Phn Phn Phn 8 9 10 1c 1d 1c 2a 2a 2a 3d 3c 3a 4c 4d 4d 5a 5c 5a 6b 6b 6b 7a 7c 7c 8b 8a 8c 9c 9b 9d 10 c 10 c 10 a Phn Phn 11 12 1d 1a 2b 2d 3c 3a 4c 4c 5b 5c 6b 6d 7a 7a 8b 8b 9c 9c 10 b 10 a Phn 13 1d 2a 3d 4b 5d 6b 7b 8d 9d 10 b

--Chc Mi Ngi Thi Tt.--


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Email: [email protected] Question Bi 7 Question Question Question Question Question Question Question Question Question Question Bi 8 Question Question Question Question Question Question Question Question Question Question Bi 9 Question Question Question Question Question Question Question Question Question Question

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