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trng i hc ty bc
Trung tm tin hc - ngoi ng
Gio trnh hng dn son tho bi ging in t
vi phn mm violet ( Dnh cho lp Thit k bi ging in t )
Nguyn Vn T
Sn La, 10/2006
Hng dn thit k bi ging in t vi phn mm Violet
CHNG I. LM QUEN VI VIOLET
1. Gii thiu phn mm VIOLET
- Phn mm VIOLET l cng c gip gio vin c th t xy dng c cc bi
ging h tr dy hc theo tng ca mnh mt cch nhanh chng. So vi cc cng
c khc, VIOLET ch trng hn trong vic to ra cc bi ging c m thanh, hnh
nh, m phng, chuyn ng v tng tc...
- Tng t phn mm thit k trnh din Microsoft PowerPoint, VIOLET c y
cc chc nng dng to cc trang ni dung bi ging nh nhp cc d liu vn
bn, cng thc ton, cc d liu multimedia (nh, m thanh, phim, hot hnh Flash.
- VIOLET cung cp sn nhiu mu bi tp chun thng c s dng trong cc
SGK v sch bi tp nh:
Bi tp trc nghim, gm c cc loi: mt p n ng, nhiu p n ng, ghp
i, chn ng sai, v.v...
Bi tp ch: hc sinh phi tr li cc ch hng ngang suy ra ch hng dc.
V th hm s: c th v c th bt k hm s no, c bit cn th hin
c s chuyn ng bin i hnh dng ca th khi thay i cc tham s ca
biu thc.
Bi tp ko th ch / ko th hnh nh: hc sinh phi ko th cc i tng ny vo
ng nhng v tr c quy nh trc trn mt hnh nh hoc mt on vn bn.
Bi tp ny cn c th th hin di dng bi tp in khuyt hoc n/hin.
2. Ci t v khi ng chng trnh
- C th download bn dng th ti a ch http://www.vicosoft.com hoc
http://forum.dhsphn.edu.vn
- Phin bn 1.0 tch hp b g ting vit theo chun Unicode v vy khi g
ting Vit, bn phi tt cc chng trnh b g nh ABC, VietKey, UniKey,... s
dng ch g ting Vit ca Violet.
- Khi ng chng trnh Violet bng cch nhy p chut vo biu tng
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 1
http://www.vicosoft.com/http://forum.dhsphn.edu.vn/
Hng dn thit k bi ging in t vi phn mm Violet
trn mn hnh nn, giao din chnh ca chng trnh s hin ra. (Di y l giao
din chng trnh Violet khi ang son bi Gii thiu v Violet- Nguyn Vn T ).
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 2
2. Cu trc bi ging 4. Danh sch cc file d liu
3. Giao din bi ging 1. Menu v cc nt chc nng
Hnh 1: Giao din ca chng trnh VIOLET
3. Lm vic vi tp tin.
+ To tp mi:
Chn Bi ging Tp mi hoc n phm F2.
+ M mt tp c:
Chn Bi ging M hoc n phm F3 .
+ Lu tp.
Chn Bi ging Lu hoc Bi ging Lu vo
+ Thot khi chng trnh.
Chn Bi ging Thot.
Hng dn thit k bi ging in t vi phn mm Violet
CHNG II. THIT K VI VIOLET
I. Nhp cc d liu hnh nh, m thanh, phim.
- VIOLET cho php nhp c nhiu d liu multimedia (nh JPEG, phim Flash
Video, hot hnh Shockware Flash, m thanh MP3) v cc on vn bn ngn ln
cng mt trang mn hnh. Cc d liu a vo u c th chnh sa c v tr, kch
thc, th t v rt nhiu cc thuc tnh cn thit khc.
- Cch dng chc nng ny nh sau:
Vo menu Ni dung Thm mc, mn hnh nhp liu u tin s xut hin.
G tn Ch v tn Mc, chn loi mn hnh hin th l Hnh nh, m thanh,
phim..., sau nhn nt Tip tc. Mn hnh nhp liu hin ra nh sau:
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 3
Mn hnh nhp cc d liu multimedia v vn bn
Cc phn tip sau y s m t chc nng ca 3 nt nhp liu: Thm nh, Thm
ch v xo trong mn hnh trn.
1. Nt Thm nh
Click chut vo nt Thm nh, bng nhp d liu hnh nh s hin ra nh sau:
Hng dn thit k bi ging in t vi phn mm Violet
Tn file d liu: Cho bit file d liu no s c hin th trong mc ny. VIOLET
h tr 4 nh dng multimedia (nh JPEG, hot hnh Flash, m thanh MP3 v Video).
C th nhn vo nt "" m ra hp Open File ging nh trong cc ng dng
Windows.
Chn nh cn a vo bi ging ri nhp Open (hnh nh ny phi c to ra t
trc).
a. Dch chuyn, co gin i tng
Sau khi nhp nh, ngi dng c th dng chut ko, dch chuyn cc hnh nh
ny, hoc thay i kch thc, t l co gin bng cc im nt gc, gia cnh v
im nt gia hnh.
a chut ti mt trong 8 im nt bin, khi thy xut hin mi tn hai chiu th
ko chut thay i kch thc ca i tng .
Vi im nt tm i tng, khi ngi dng nhn chut vo ri di ln th hnh
s phng to, di xung th hnh thu nh. y l thao tc phng to thu nh n thun.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 4
Hng dn thit k bi ging in t vi phn mm Violet
Khi nhn chut vo i tng (m khng nhn vo bt k im nt no) sau
ko chut th c i tng cng s c ko theo. y l thao tc thay i v tr n
thun.
b. Thit lp thuc tnh ca i tng (nh hoc phim)
Nhy chut (click) vo nt , bng iu chnh thuc tnh ca i tng hin ra
ngay bn cnh nh sau:
Trong :
Hai nhp liu u tin l t l co gin theo chiu ngang v theo chiu dc ca
nh (trong hnh trn bc nh c co nh li 60%). Cc nhp liu ny gip cho
ngi dng bit hoc thit lp t l co gin ca nh mt cch chnh xc ch khng
c lng nh vic co gin bng cch ko cc im nt nh cp phn trn.
Hp kim tra Gi nguyn t l di rng, c tc dng quyt nh khi ko cc im
nt th t l chiu di / chiu rng c thay i hay khng, hoc khi sa trong cc
nhp t l co gin th 2 con s ny c cng thay i hay khng. Thng thng nn
thit lp ch Gi nguyn t l trnh khi co ko, hnh nh khng b mo.
sng: Ton b mu trong nh u cng sng ln hoc cng ti i. Vic chnh
sa ny s c tc dng khi cc nh t liu u vo qu sng hoc qu ti, hoc khi
ngi dng c ch ch trong vic chnh sng ti.
tng phn: Nhng mu sng no sng th cng sng hn, mu ti th cng ti
i, hoc ngc li, mu sng bt sng, mu ti bt ti. Vic tng tng phn lm
cho mu sc ca nh thm r rt v nh cng sc nt hn. Thng thng khi iu
chnh sng th tng phn mu sc cng m nht i nn cng phi iu chnh
tng tng phn na.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 5
Hng dn thit k bi ging in t vi phn mm Violet
c. Thay i th t sp xp v kha i tng
Nu c nhiu hnh nh, phim, vn bn,... trn mt mn hnh th s c nhng i
tng trn v i tng di (v d trong hnh di y th hnh con chu chu
trn hnh hai con ong). Bn chn mt i tng, sau click nt bn phi (nt
thay i th t), th s hin ra mt thc n nh sau:
Bn mc menu u tin dng thay i th t. Mc Ln trn cng l a i
tng ang chn ln th t cao nht m khng i tng no c th che ph c n,
cn mc Ln trn l a i tng ln trn mt bc th t. Tng t nh vy vi
cc chc nng Xung di v Xung di cng.
Mc menu th 5 dng kha i tng li, ngha l vn cho php chn i
tng, thay i thuc tnh, th t, nhng khng cho thay i v tr v kch thc na.
Chn mc ny ln th 2 th i tng c m kha v c th dch chuyn, co ko
nh bnh thng.
2. Nt Thm ch
Sau khi click vo nt ny, th trn bng trng s xut hin mt son tho c
khung mu xm. Ngi dng c th son tho cc vn bn ca mnh trc tip trn
ny, v c th iu chnh cc tham s ca vn bn nh font ch, kch thc, mu
sc,...
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 6
Hng dn thit k bi ging in t vi phn mm Violet
C th nhn chut ln ng vin mu xm v dch chuyn i tng, hoc nhn
chut vo gc tri di ca khung xm ny thay i kch thc. Lu vi mt
on vn bn th nn iu chnh kch thc ca khung xm cho n rng hn hn
on ch phng xy ra trng hp mt cc ch cui cng.
Click chut vo nt , hp thuc tnh ca vn bn s hin ra bn cnh nh sau:
Trong , cc thuc tnh t tri qua phi, t trn xung di ln lt l: mu sc,
font ch, kch thc ch, ch m, ch nghing, ch gch chn, cn l tri, cn l
gia, cn l phi, gch u dng, khong cch gia cc dng.
Nt thay i th t ca i tng c chc nng hon ton ging vi nt tng
ng ca i tng hnh nh.
3. Nt Cng thc
Dng nhp cc cng thc v cc phng trnh Ton hc, Vt l, Ha hc,...
gm c cc k t Hy Lp, cc ton t, k hiu so snh, tng quan, cc hm chun,
cc k hiu trn di ch, mi tn, k hiu logic v nhiu k hiu c bit khc.
Bn phi g theo chun LaTex to ra cc k hiu ny (xem Ph lc).
4. Nt Xa
Nhn vo y xa i tng (nh, phim, vn bn,...) ang c chn. Nh vy,
nu mun xa i tng no th phi chn i tng ri nhn nt ny th mi xa
c.
II. Nhp vn bn nhiu nh dng
Vn bn nhiu nh dng c s dng cho cc trang bi ging m ni dung ca
trang th hin vn bn l chnh. y, trong cng mt nhp text, ngi dng c
th nh dng vn bn ca mnh theo nhiu kiu khc nhau, ging nh khi trnh by
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 7
Hng dn thit k bi ging in t vi phn mm Violet
vn bn trong cc cng c ca Microsoft Office.
1. Cch dng
Vo menu Ni dung Thm mc, g tn Ch v tn Mc, chn Loi mn
hnh hin th l Vn bn nhiu nh dng, sau nhn nt Tip tc. Mn hnh
nhp liu hin ra v bn c th nhp d liu nh sau:
Cc chc nng ca cc nt thuc tnh y u ging nh trong hp thuc tnh
vn bn gii thiu phn trn, gm c: font ch, kch thc ch, mu sc, ch
m, ch nghing, ch gch chn, cn l tri, cn l gia, cn l phi, nh du gch
u dng, khong cch dng. Cng c thc k pha trn hp nhp liu dng to
l cho vn bn ging nh trong Microsoft Word.
Khi thc hin nhng chc nng ny th ch nhng vng ch ang c la chn
trong hp son tho di s c tc ng m thi. o thay i thuc tnh
ca nhng ch no, trc tin phi la chn (bi en ging nh trong Word), ri mi
nhn nt chc nng.
2. Chn nh vo vn bn
Trong ch son vn bn ny, ngi dng cng c th chn c nh vo. Sau
khi chn nh th c th iu chnh kch thc ca nh ny v chn mt trong hai ch
cn l: cn l tri hoc cn l phi. V kh nng s dng nh trong mn hnh nhp
liu vn bn tng i hn ch nn vi nhng trang bi ging c nhiu hnh nh th
bn khng nn s dng loi mn hnh vn bn ny.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 8
Hng dn thit k bi ging in t vi phn mm Violet
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 9
Cc thao tc x l i tng nh trong vn bn
Thay i kch thc nh: Sau khi chn nh vo nh trn, c th click vo nh
chn, sau ko cc im nt bin iu chnh kch thc nh (phng to, thu
nh,...). Tuy nhin, y ta khng th dch chuyn c nh (mun dch chuyn
nh n ch khc th phi xa nh ch ny v chn li vo ch khc).
Xa nh: ta chn i tng nh bng cch click chut vo , ri nhn nt Delete
trn bn phm.
V tr nh: Khi chn mt nh vo vn bn th v tr nh c chn vo s ngay
di dng vn bn m ang c con tr nhp nhy.
Cn v tr nh: Chn i tng nh, nhn vo cc nt cn l tri hoc cn l phi
a nh vo cc v tr bn tri hoc bn phi. Lu l VIOLET khng cho
php cn gia i vi nh.
III. To cc mn hnh bi tp
1. To bi tp trc nghim
VIOLET cho php to c 4 kiu bi tp trc nghim:
Mt p n ng: Ch cho php chn 1 p n
Nhiu p n ng: Cho php chn nhiu p n mt lc
ng/Sai: Vi mi phng n s phi tr li l ng hay sai
Cu hi ghp i (sp xp th t): Ko th cc ct phi vo cc tng ng
ct tri c kt qu ng.
V d 1: To mt bi tp trc nghim nh sau: Cc cu tr li sau y l ng hay sai?
a) Cc obitan p c cng s nh hng trong khng gian.
b) Theo m hnh Bo: trong nguyn t cc electron chuyn ng trn nhng qu o
xc nh
c) Nhng electron chuyn ng gn ht nhn chim mc nng lng cao
d) Obitan s c dng hnh cu, tm l ht nhn nguyn t
Vo menu Ni dungThm mc, nhp tn Ch v tn Mc, chn loi mn
hnh hin th l Bi tp trc nghim, ri nhn nt Tip tc, mn hnh nhp liu cho
loi bi tp trc nghim s hin ra. Ta son tho bi tp trn nh sau:
Hng dn thit k bi ging in t vi phn mm Violet
thm phng n, ta nhn vo nt + gc di bn tri, bt phng n th
nhn vo nt . Sau khi nhp xong, ta nhn nt "ng " s c mn hnh bi tp
trc nghim nh sau:
V d 2: Kiu bi trc nghim "ghp i.
Cho 1 nguyn t c k hiu nh di y. Hy ghp cu tr li ng cho nhng
cu sau:
S khi l:.. 35 Lp v c:.. 17e Ht nhn c: ... 17 p,18 n n v in tch ht nhn l: ... 17 17 + 52 35 p, 18 n
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 10
Hng dn thit k bi ging in t vi phn mm Violet
Ta thc hin cc bc nh bi tp trn, chn kiu bi tp trc nghim l Ghp
i, v ch khi son tho phi lun a ra kt qu ng ng sau mi phng n.
Sau , VIOLET s trn ngu nhin cc kt qu ngi lm bi tp sp xp li.
Nhn nt ng ta s c bi tp hin th ln mn hnh nh sau:
Khi lm bi tp loi ny, hc sinh phi dng chut nhc gi tr ct phi t vo
ct tr li, ri nhn vo nt kt qu nhn c cu tr li l ng hay sai. HS c
th lm tng cu mt ri xem kt qu ngay, hoc c th lm ht cc cu ri mi xem
kt qu u c.
a. Cch g mt s k hiu c bit trong bi trc nghim
g gc ABC/gc B, ta nhp trong Violet: (gc)(ABC)/(gc)(B)
g k t , v d 30, ta nhp trong Violet l 30()
to k hiu cn, v d 961 , ta nhp trong Violet: (cn)(961)
to k hiu ly tha: ex ta g e^x hay vi 210 ta g 2^(10)
to ch s di: H2SO4 ta g H_2SO_4, hay N20 ta g N_(20)
V d 3: To bi trc nghim c cc k hiu c bit v hnh v:
Cho tam gic ABC vung ti A, c AB = 2 v AC= 12 , s o gc C l:
C = 30
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 11
Hng dn thit k bi ging in t vi phn mm Violet
C = 60
C = 70
y l kiu bi trc nghim Mt p n ng, ch c p n a) l ng. Ta son
tho trn mn hnh nh sau:
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 12
b. S dng hnh nh trong bi tp trc nghim
Dng Macromedia Flash, Corel Draw v hnh v to ra mt file .swf, hoc
dng mt phn mm x l nh (chng hn nh Paint Brush, Photoshop,...) v hnh
v to ra mt file nh JPEG. Nhp tn file ny vo nhp liu nh, nh ny s
c hin ra trong bi trc nghim ngay pha di ca cu hi.
Ngoi Flash, Corel v cc chng trnh x l nh, ta cng c th v bt k
chng trnh no: Sketchpad, Geocabri, Word, v.v nhng kt qu phi ghi dng
nh JPEG (bng cch dng chc nng chp hnh v ghi nh thng qua cc phn mm
nh Paint, Photoshop,...). Chng hn vi bi tp v d 3, ta chn thm tam gic vung
ABC vo mn hnh trc nghim bng cch v Sketchpad mt tam gic vung, sau
chp hnh v (nhn nt PrintScreen), dn (Paste) sang Paint v ghi dng JPEG.
Sau vo VIOLET, hp nhp liu nh, ta nhp tn file nh JPEG nh hnh
trn, hoc nhn nt ba chm ... chn file nh . Nhn nt ng ta c
mn hnh bi tp sau:
Hng dn thit k bi ging in t vi phn mm Violet
i vi bi tp nhiu p n ng, ta cng lm tng t nh i vi bi tp mt
p n ng v bi tp ng/sai.
2. To bi tp ch
V d 4: To mt bi tp ch da theo sch gio khoa Ha hc 8. Khi to bi tp
ny, ngi son tho phi bit trc v ch ct dc v cc cu tr li hng ngang.
Tr chi gii ch.
1. Nguyn t ny c dng sn xut x, chu, m un nc....
2. Lng ngh truyn thng v sn xut gm s ca H Ni.
3. Nguyn t ny c dng chnh sn xut dy dn in.
4. Hi thi ht quan h hng nm Bc Ninh.
5. Nguyn t ny c trong thnh phn ca mui n.
Cc cu tr li hng ngang ln lt l: Nhm; Bt Trng; ng; Hi Lim; Natri..
Ch ct dc l: HNI.
Cc thao tc trong VIOLET
Vo menu: Ni dung Thm mc. Nhp tn ch v tn mc, chn "Loi
mn hnh hin th" l Bi tp ch, ri nhn nt Tip tc. Mn hnh nhp liu
cho bi tp ch hin ra, nhp cc tham s (hnh sau th hin vic nhp liu ca hai
cu hi hng ngang u tin).
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 13
Hng dn thit k bi ging in t vi phn mm Violet
Trong :
"T tr li" l p n ng ca cu hi
"T trn ch" l tp hp cc ch ci s c hin ln ch, v vy thng l ch
hoa v khng c du cch.
"V tr ch" l v tr ca ch ci trong "T trn ch" m s thuc vo hng dc.
Ta ln lt nhp 5 cu hi v 5 cu tr li tng ng trong bi vo cc hp nhp
liu. Tip cn c vo ch ct dc cn ly mi dng hng ngang, ta s xc nh
c V tr ch.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 14
Hng dn thit k bi ging in t vi phn mm Violet
Nu khng nhp g vo T trn ch th d liu nhp ny s c t ng
sinh ra t T tr li. Do , nu khng c g c bit, ta c th b qua phn T
trn ch nhp d liu cho nhanh.
Cui cng, nhn nt ng ta s thu c mt trang bi tp ch. Khi gii
ch ta click chut vo cu hi, ri g cu tr li tng ng vo hp, nhn Enter ta c
kt qu trn ch nh sau:
3. Bi tp ko th ch
L nhng bi tp trong , trn mt on vn bn c cc ch trng (...), ngi
son c th to ra 3 dng bi tp nh sau:
1. Ko th ch: nhim v ca hc sinh l ko cc t tng ng th vo nhng ch
trng. Ngoi cc t phng n ng ca on vn bn cn c nhng phng n
nhiu khc.
2. in khuyt: Khng c sn cc t phng n, hc sinh phi click chut vo
trng g (nhp) phng n ca mnh vo.
3. n/hin ch: Khi click chut vo ch trng th p n s hin ln (nu ang n),
hoc n i (nu ang hin).
V d 7: To bi tp ko th ch vo on vn nh sau
on vn n cht l nhng cht c to nn t ........................................ cn hp cht c
to nn t ........................................
Kim loi ng, kh oxi, kh hiro l nhng ........................................ cn nc, kh
cacbonic l nhng ........................................
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 15
Hng dn thit k bi ging in t vi phn mm Violet
Cc t n cht, mt nguyn t, hai nguyn t tr ln, hai cht tr ln,
hp cht, hai nguyn t tr ln, mt cht, mt nguyn t.
Cc thao tc trong VIOLET
Vo menu: Ni dung Thm mc. Nhp tn ch v tn mc, chn "Loi
mn hnh hin th" l Bi tp ko th ch, ri nhn nt Tip tc. Mn hnh nhp
liu cho bi tp ko th ch hin ra, nhp cc tham s nh sau:
nhp liu, ta s g cu hi v ton b ni dung vn bn (c c cc t m sau
ny s c n i) vo nhp liu. Sau chn cc t n ny (bi en t) ri nhn
nt "Chn ch". Hoc n gin hn, chn mt t ta g 2 cp k hiu x dc cnh
nhau 2 u ca t : ||||.
Sau khi chn t bng bt k cch no, trn nhp liu t s c mu nn rt
d nhn ra. Nu thi khng chn t na, ta ch vic xa cc cp k hiu || i l
c.
Trong cc dng bi tp ny, ta cng c th chn thm hnh nh vo pha di cu
hi ging nh trong phn to bi tp trc nghim.
i vi bi tp ko th ch, ta c th nhp thm cc phng n nhiu bng cch
nhn nt Tip tc. Nu khng cn phng n nhiu hoc vi cc bi tp in
khuyt v n/hin ch th ta c th nhn lun nt ng kt thc qu trnh nhp
liu. Di y l mn hnh nhp phng n nhiu cho loi bi tp ko th ch.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 16
Hng dn thit k bi ging in t vi phn mm Violet
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 17
Trong :
Nt "Thm ch" dng thm mt phng n nhiu, sau khi click nt ny ta s g
trc tip ni dung phng n ln danh sch.
Nt "Quay li" tr v mn hnh nhp liu trc.
Nt "ng " kt thc qu trnh nhp liu v to bi tp. Vi cch nhp liu nh
trn VIOLET s sinh ra mt bi tp ko th ch nh hnh di y.
Bi tp ko th ch
V d 8: Bi tp in khuyt
Ta c th sa li bi tp trn thnh dng bi tp "in khuyt" (vo menu Ni
dung mc Sa i thng tin Nhn Tip tc Chn kiu in khuyt
Hng dn thit k bi ging in t vi phn mm Violet
Nhn nt ng ). Cc t phng n lc ny s khng c hin ra ngay t u.
Ngi dng khi click chut vo cc trng ca bi tp th ngay ti s xut hin
mt nhp liu cho php nhp phng n ng vo.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 18
Bi tp in khuyt
Khi kim tra chnh xc ca cc phng n, my tnh s b qua s khc bit v
ch hoa, ch thng v s lng du cch gia cc t.
to ra loi bi tp "n/hin ch" th cng thao tc hon ton tng t nh trn.
4. Bi tp v th hm s
Chc nng ny cho php v th hm s theo 2 dng: th hm s y = f(x) v
th hm ph thuc tham s x = X(t) v y = Y(t). Khi nhp cc hm s, ngoi bin
s, c th s dng cc tham s a v b. Cc tham s ny s c nhp mt gi tr hoc
mt khong gi tr. Nu l mt khong th khi v th, hnh dng th s thay i
theo s bin i ca cc tham s t gi tr th nht n gi tr th hai.
Vo menu: Ni dung Thm mc, nhp tn ch v tn mc, chn loi mn
hnh V th hm s, ri nhn Tip tc, mn hnh nhp liu sau s hin ra:
Ch : nhp chui k t biu din hm s phi theo ng quy tc:
Ton t: cng (+), tr (-), nhn (*), chia (/), ly tha (^)
Ton hng: s, tham s, bin s (x, t), hng s (pi, e)
Cc hm s: sin, cos, tg, cotg, arcsin, arccos, arctg, arccotg, ln, abs (gi tr tuyt
i), sqrt (cn bc hai).
Chng hn v th hm s y = 2x2 - 4x + 1 ta phi g 2*x^2 - 4*x + 1
V d cc hm s khc:
x + 1/x
(x-2) * (x-1) * x * (x+1) * (x+2)
Hng dn thit k bi ging in t vi phn mm Violet
sin(pi*x) / x
e^(2/x)
V d 9: v th y = ax2 + bx + c, ta phi gn gi tr cho cc h s, nn chn h
s a c c gi tr m v dng hc sinh c th quan st c khi a 0 quay b lm ln trn, a = 0 th l ng thng.
Trong bng nhp liu th, chn th hm s y = f(x)
Nhp hm s a*x^2 + b*x + c
Nhp gi tr a = -1 1; b = -1 2; c = 0 2.
Sau khi nhp hm s v cc tham s nh trn, nhn nt "ng ", chng trnh s
v mt th Parabol c b lm quay xung di, nhn vo nt Play , th s
bin i thnh ng thng ri thnh ng Parabol c b lm quay ln trn:
V d 10: th ca hm ph thuc tham s:
+=+=
t)*cos(at)*sin(b y t)*cos(bt)*sin(a x (t = 02)
Vi tham s b = 1, cn tham s a chy t 0 4, ta s c mt th bin i t
ng trn, on thng, hoa 3 cnh, hoa 4 cnh v cui cng l hoa 5 cnh nh hnh
di y.
Cc th ca cc hm ph thuc tham s thng c hnh dng rt p, l mt.
Bn hon ton c th t pht minh ra rt nhiu dng th hp dn bng cch th cc
hm s khc. V d th
=+=
t)*cos(a*t)*sin(b y t)*cos(bt)*sin(a x (t = 02)
vi cc tham s b= 1, a= 4, th s c hnh dng mt bng hoa sen trng rt p.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 19
Hng dn thit k bi ging in t vi phn mm Violet
IV. Cc chc nng khc x l mc d liu
Sau khi to xong mt mc d liu, nu mun sa li th vo menu Ni dungSa
i thng tin, hoc nhn F6, hoc click p vo mc cn sa u c. Nu mun
xa mc, ta chn mc ri vo Ni dungXa mc hoc nhn phm Delete.
Sau khi to xong mt hoc mt s mc, c th phng to bi ging ra ton mn
hnh xem cho r bng cch nhn phm F9 (hoc vo menu Hin thXem ton
b). Sau nhn tip F9 hoc nt Close trn bi ging thu nh tr li. Khi bi
ging ang phng to ton mn hnh, ngi dng vn c th gi c cc chc nng
khc ca phn mm bng cc phm tt.
V. Chc nng chn trang ba
1. Trang ba
V ni dung thng tin, trang ba l trang gii thiu bi ging (cha tiu bi
ging, tn gio vin ging dy, tn ngi son bi ging,...). V hnh thc, y l mn
hnh khng c giao din ngoi (ni dung phng to ton mn hnh). Khi mi bt u
tit hc, phn mm bi ging ch hin trang ba. Khi gio vin bt u dy bng phn
mm th ch cn click chut, lc y ni dung bi ging mi hin ra.
2. Cch to trang ba
Vo menu Hin thChn trang ba, sau chn 1 trong 2 loi trang ba l d
liu hnh nh v d liu vn bn nhiu nh dng.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 20
Hng dn thit k bi ging in t vi phn mm Violet
V d: to ra mt trang ba nh hnh trn ta lm nh sau:
Chn loi mn hnh hin th l d liu hnh nh,... nhn nt Next (tip tc) vo
tip mn hnh son trang ba.
Nhn nt Thm nh a bc nh nn vo, click vo nh, click tip nt
hin bng thuc tnh ca nh, v iu chnh sng ln cao cho tm nh trng
m i (vi mc ch lm ni r ch ln).
Sau Thm ch v thay i v tr, nh dng v cc thuc tnh ca ch c
mn hnh trang ba nh trn.
Nhn ng .
i vi cc trang ba khng c nh, ta nn dng loi mn hnh Vn bn nhiu
nh dng th d cn chnh v thay i thuc tnh ch hn.
VI. ng gi phn mm bi ging
Sau khi son tho xong v lu bi ging, ta vo mc Bi ging ng gi
(phm tt F4) chn Xut ra file chy (EXE). Chc nng ny s xut bi ging ang
son tho ra thnh mt sn phm chy c lp, c th copy vo a mm hoc a CD
chy trn cc my tnh khc m khng cn chng trnh VIOLET.
Nu ng gi dng: Xut ra dng HTML, phn mm s chy di dng giao din
Web, v c th a ln Website ca trng, Website c nhn hoc mt h thng E-
learning no . Nh vy, gio vin c th truy cp, s dng bi ging ca mnh
thng qua Internet mi ni, mi lc m khng cn mang theo a mm hay CD.
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 21
Hng dn thit k bi ging in t vi phn mm Violet
VII. S dng Tr gip
C hai cch s dng Tr gip trong VIOLET:
1) Vo menu Tr gipTr gip sau c th ln lt c qua cc phn hoc
c th tm kim, truy cp n ng phn cn thit.
2) Khi cn tr gip phn no, hy m mn hnh ca phn ra (v d mn hnh
ng gi, mn hnh to bi tp trc nghim, ch,) ri nhn phm F1, phn tr
gip s c m ra vi ni dung tng ng vi mn hnh hin hnh.
VIII. S dng phi hp phn mm PowerPoint vi phn mm VIOLET
Vic s dng VIOLET khng d dng v thun tin nh Powerpoint, tuy nhin
VIOLET cho php to h thng bi tp trc tuyn rt mnh, do vy c th kt hp
vic s dng hai phn mm ny nh sau.
Bin son ni dung ch yu bng PowerPoint
S dng phn mm VIOLET bin son phn bi tp h tr sau xut thnh
tp tin exe. S dng HyperLink lin kt gia PowerPoint vi h thng bi tp
xy dng bng VIOLET Ph lc: Bng k hiu v cch g chun LaTex
Cc k t Hi lp Nhp KQ alpha beta chi delta Delta epsilon varepsilon eta gamma Gamma iota kappa lambda Lambda mu nu omega Omega phi
Cc ton t Nhp KQ Sqrt rootn(a) n a + + - - * ** // / \\ \ Xx -: @ o+ Ox o. Sum Prod ^^ ^^^
Cc k t quan h Nhp KQ = = != < < > > = -< >- in !in sub sup sube supe -= ~= ~~ prop
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 22
Hng dn thit k bi ging in t vi phn mm Violet
varphi Phi pi Pi psi rho sigma Sigma Tau theta vartheta Theta upsilon Xi Xi zeta
Vv Vvv Nn Nnn Uu Uuu
Cc loi du ngoc Nhp KQ
( ( ) ) [ [ ] ] { { } }
K t mi tn
Nhp KQ uarr darr rarr -> |-> larr harr rArr lArr hArr
Cc k hiu logic
Nhp KQ and and Or or Not => If if Iff AA EE _|_ TT |- |=
Cc hm chun Nhp KQ Sin Sin Cos Cos Tan Tan Csc Csc Sec Sec Cot Cot Sinh Sinh Cosh Cosh Tanh Tanh Log Log Ln Ln Det Det Dim Dim Lim Lim Mod Mod Gcd Gcd Lcm Lcm Min Min Max Max
Cc k hiu trn
Nhp KQ hat x x^ bar x x ul x x vec x X dot x x. ddot x x..
Cc k hiu khc Nhp KQ a^n ana_n ana/n
na
int oint del grad +- O/ oo aleph |...| |...| |cdots| || vdots ddots |\ | | | |quad| | | diamond square |_ _| |~ ~|
G/v Nguyn Vn T - B mn Tin hc - Trng i hc Ty Bc Trang 23
Bia Giao trinh Violet.docGiao an Violet.doc CHNG I. LM QUEN VI VIOLET 1. Gii thiu phn mm VIOLET 2. Ci t v khi ng chng trnh CHNG II. THIT K VI VIOLET I. Nhp cc d liu hnh nh, m thanh, phim. 1. Nt Thm nh 2. Nt Thm ch 3. Nt Cng thc 4. Nt Xa II. Nhp vn bn nhiu nh dng 1. Cch dng 2. Chn nh vo vn bn III. To cc mn hnh bi tp 1. To bi tp trc nghim 2. To bi tp ch 3. Bi tp ko th ch 4. Bi tp v th hm s
IV. Cc chc nng khc x l mc d liu V. Chc nng chn trang ba 1. Trang ba 2. Cch to trang ba
VI. ng gi phn mm bi ging VII. S dng Tr gip
Ph lc: Bng k hiu v cch g chun LaTex