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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
KALAM IAS ACADEMY
TRB – COMPUTER INSTRUCTOR
MODEL EXAM – II
01.06.2019
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
COMPUTER SCIENCE
1. The average time required to reach a storage location in memory and obtain its contents is called the (A) seek time (B) turnaround time (C) access time (D) transfer time 2. The idea of cache memory is based (A) on the property of locality of reference (B) on the heuristic 90-10 rule (C) on the fact that references generally tend to cluster (D) all of the above 3. Which of the following is lowest in memory hierarchy? (A) Cache memory (B) Secondary memory (C) Registers (D) RAM (E) None of these 4. The addressing mode used in an instruction of the form ADD X Y, is (A) Absolute (B) indirect (C) index (D) none of these 5. If memory access takes 20 ns with cache and 110 ns with out it, then the ratio (cache uses a 10 ns memory) is (A) 93% (B) 90% (C) 88% (D) 87% 6. In a memory-mapped I/O system, which of the following will not be there? (A) LDA (B) IN (C) ADD (D) OUT 7. In a vectored interrupt. (A) the branch address is assigned to a fixed location in memory. (B) the interrupting source supplies the branch information to the processor through an interrupt vector. (C) the branch address is obtained from a register in the processor (D) none of the above 8. Von Neumann architecture is (A) SISD (B) SIMD (C) MIMD (D) MISD 9. The circuit used to store one bit of data is known as (A) Encoder (B) OR gate (C) Flip Flop (D) Decoder 10. Cache memory acts between (A) CPU and RAM (B) RAM and ROM (C) CPU and Hard Disk (D) None of these 11. Which of the following is an example of a real time operating system?* a. Lynx b. MS DOS c. Windows XP d. Process Control 12. Which of the following operating system does not implement the multitasking truly?* a. Windows 98 b. Windows NT c. Windows XP d. MS DOS 13. Which of the following windows version support 64 bit processor?* a. Windows 98 b. Windows 2000 c. Windows XP d. Windows 95 14. Which of the following Operating System does not implement multitasking truly?* a. Windows 98 b. Windows NT c. Windows XP d. MS DOS
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
15. What program runs first after computer is booted and loading GUI?* a. Desktop Manager b. File Manager c. Windows Explorer d. Authentication 16. Which of the following operating system do you choose to implement a client server network?* a. MS DOS b. Windows c. Windows 98 d. Windows 2000 17. Which of the following Operating systems is better for implementing a Client-Server network* a. MS DOS b. Windows 95 c. Windows 98 d. Windows 2000 18. My Computer was introduced from* a. Windows 3.1 b. Windows 3.11 c. Windows 95 d. Windows 98 19. Which of the following Windows do not have Start button* a. Windows Vista b. Windows 7 c. Windows 8 d. None of above 20. Which is the latest version of MS Windows?* a. Windows 2007 b. Windows 8.1 c. Windows 2008 d. Windows 10 21. What is the addition of the binary numbers 11011011010 and 010100101? a) 0111001000 b) 1100110110 c) 11101111111 d) 10011010011 22. Perform binary addition: 101101 + 011011 = ? a) 011010 b) 1010100 c) 101110 d) 1001000 23. Perform binary subtraction: 101111 – 010101 = ? a) 100100 b) 010101 c) 011010 d) 011001 24. Binary subtraction of 100101 – 011110 is a) 000111 b) 111000 c) 010101 d) 101010 25. Perform multiplication of the binary numbers: 01001 × 01011 = ? a) 001100011 b) 110011100 c) 010100110 d) 101010111 26. 100101 × 0110 = ? a) 1011001111 b) 0100110011 c) 101111110 d) 0110100101 27. On multiplication of (10.10) and (01.01), we get a) 101.0010 b) 0010.101 c) 011.0010 d) 110.0011 28. Divide the binary numbers: 111101 ÷ 1001 and find the remainder a) 0010 b) 1010 c) 1100 d) 0011 29. Divide the binary number (011010000) by (0101) and find the quotient a) 100011 b) 101001 c) 110010 d) 010001 30. Binary subtraction of 101101 – 001011 = ? a) 100010 b) 010110 c) 110101 d) 101100 31. Which if the following is/are the levels of implementation of data structure* A) Abstract level B) Application level C) Implementation level D) All of the above*
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
32. A binary search tree whose left subtree and right subtree differ in hight by at most 1 unit is called …… A) AVL tree B) Red-black tree C) Lemma tree D) None of the above 33. ……………….. level is where the model becomes compatible executable code* A) Abstract level B) Application level C) Implementation level D) All of the above 34. Stack is also called as* A) Last in first out B) First in last out C) Last in last out D) First in first out 35. Which of the following is true about the characteristics of abstract data types?* i) It exports a type. ii) It exports a set of operations A) True, False B) False, True C) True, True D) False, False 36. …………… is not the component of data structure. A) Operations B) Storage Structures C) Algorithms D) None of above 37. Which of the following is not the part of ADT description? A) Data B) Operations C) Both of the above D) None of the above 38. Inserting an item into the stack when stack is not full is called …………. Operation and
deletion of item form the stack, when stack is not empty is called ………..operation.
A) push, pop B) pop, push C) insert, delete D) delete, insert
39. ……………. Is a pile in which items are added at one end and removed from the other. A) Stack B) Queue C) List D) None of the above 40. ………… is very useful in situation when data have to stored and thenretrieved in reverse order. A) Stack B) Queue C) List D) Link list 41. Which data structure allows deleting data elements from and inserting at rear?* A) Stacks B) Queues C) Dequeues D) Binary search tree 42. Which of the following data structure can‟t store the non-homogeneous data
elements?
A) Arrays B) Records C) Pointers D) Stacks
43. A ……. is a data structure that organizes data similar to a line in the supermarket, where
the first one in line is the first one out.
A) Queue linked list B) Stacks linked list C) Both of them D) Neither of them
44. Which of the following is non-liner data structure? A) Stacks B) List C) Strings D) Trees 45. Herder node is used as sentinel in ….. A) Graphs B) Stacks C) Binary tree D) Queues 46. The size_t integer type in C++ is?
a) Unsigned integer of at least 64 bits b) Signed integer of at least 16 bits
c) Unsigned integer of at least 16 bits d) Signed integer of at least 64 bits
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
47. What is the output of the following program? 1. #include <iostream> 2. using namespace std; 3. int main() 4. { 5. int x = -1; 6. unsigned int y = 2; 7. 8. if(x > y) 9. { 10. cout << "x is greater"; 11. } 12. else 13. { 14. cout << "y is greater"; 15. } 16. }
a) x is greater b) y is greater c) implementation defined d) arbitrary 48. Which of these expressions will return true if the input integer v is a power of two? a) (v | (v + 1)) == 0; b) (~v & (v – 1)) == 0; c) (v | (v – 1)) == 0; d) (v & (v – 1)) == 0; 49. What is the value of the following 8-bit integer after all statements are executed?
1. int x = 1; 2. x = x << 7; 3. x = x >> 7;
a) 1 b) -1 c) 127 d) Implementation defined 50. Which of these expressions will make the rightmost set bit zero in an input integer x? a) x = x | (x-1) b) x = x & (x-1) c) x = x | (x+1) d) x = x & (x+2) 51. Which of these expressions will isolate the rightmost set bit? a) x = x & (~x) b) x = x ^ (~x) c) x = x & (-x) d) x = x ^ (-x) 52. 0946, 786427373824, „x‟ and 0X2f are _____ _____ ____ and _____ literals respectively. a) decimal, character,octal, hexadecimal b) octal, hexadecimal, character, decimal c) hexadecimal, octal, decimal, character d) octal, decimal, character, hexadecimal 53. Which of the following class allows to declare only one object of it? a) Abstract class b) Virtual class c) Singleton class d) Friend class 54. Which of the following is not a type of Constructor? a) Friend constructor b) Copy constructor c) Default constructor d) Parameterized constructor 55. Which of the following is correct? a) Base class pointer object cannot point to a derived class object b) Derived class pointer object cannot point to a base class object c) A derived class cannot have pointer objects d) A base class cannot have pointer objects
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6
___________________________________________________________________________________________________________________________________________________________
KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
56) Out of the following, which is not a member of the class? a) Static function b) Friend function c) Constant function d) Virtual function 57) What is the other name used for functions inside a class? a) Member variables b) Member functions c) Class functions d) Class variables 58) Which of the following cannot be a friend? a) Function b) Class c) Object d) Operator function 59) Why references are different from pointers? a) A reference cannot be made null b) A reference cannot be changed once initialized c) No extra operator is needed for dereferencing of a reference d) All of the mentioned 60) Which of the following provides a programmer with the facility of using object of a class inside other classes? a) Inheritance b) Composition c) Abstraction d) Encapsulation 61) How many types of polymorphism are there in C++? a) 1 b) 2 c) 3 d) 4 62) How run-time polymorphisms are implemented in C++? a) Using Inheritance b) Using Virtual functions c) Using Templates d) Using Inheritance and Virtual functions 63) How compile-time polymorphisms are implemented in C++? a) Using Inheritance b) Using Virtual functions c) Using Templates d) Using Inheritance and Virtual functions 64) Which of the following is an abstract data type? a) int b) float c) class d) string 65) Which concept means the addition of new components to a program as it runs? a) Data hiding b) Dynamic binding c) Dynamic loading d) Dynamic typing 66) Which of the following information does an SQL DDL not specify? a) The schema for each relation b) The integrity constraints c) The operations on the tuples d) The security and authorization information for each relation 67) Which of the following data types does the SQL standard not support? a) char(n) b) String(n) c) varchar(n) d) float(n . 68) Which command is used to create a new relation in SQL a) create table( , …) b) create relation( , …) c) new table( , …) d) new relation( , …) 69) If a1, a2, a3 are attributes in a relation and S is another relation, which of the following
is an incorrect specification of an integrity constraint?
a) primary key(a1, a2, a3) b) primary key(a1)
c) foreign key(a1, a2) references S d) foreign key(a1, a2)
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7
___________________________________________________________________________________________________________________________________________________________
KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
70) What is the syntax to load data into the database? (Consider D as the database and a, b, c as data) a) enter into D (a, b, c); b) insert into D values (a, b, c); c) insert into D (a, b, c); d) insert (a, b, c) values into D; 71) Which of the following commands do we use to delete a relation (R) from a database? a) drop table R b) drop relation R c) delete table R d) delete from R 72) Which of the following commands do we use to delete all the tuples from a relation (R)? a) delete table R b) drop table R c) delete from R d) drop from R 73) create table apartment(ownerID varchar (5), ownername varchar(25), floor numeric(4,0), primary key (ownerID)); Choose the correct option regarding the above statement a) The statement is syntactically wrong b) It creates a relation with three attributes ownerID, ownername, floor in which floor cannot be null. c) It creates a relation with three attributes ownerID, ownername, floor in which ownerID cannot be null. d) It creates a relation with three attributes ownerID, ownername, floor in which ownername must consist of at least 25 characters. 74) What does the notnull integrity constraint do? a) It ensures that at least one tuple is present in the relation b) It ensures that at least one foreign key is present in the relation c) It ensures that all tuples have a finite value on a specified attribute d) It ensures that all tuples have finite attributes on all the relations 75) Which of the following syntax of the basic query is correct? a) select <relation> from <attribute> b) select <attribute> from <elation> c) select <tuple> from <relation> d) select <tuple> from <attribute> 76) Dirty bit is used to show the
(a) Page with corrupted data
(b) The wrong page in the memory
(c) Page that is modified after being loaded into cache memory
(d) Page that is less frequently accessed.
77) The garbage collector
(a) is critical for efficient virtual memory system
(b) Prevents fragmentation from occurring
(c) Is mostly used with fixed partition
(d) Collects fragmented areas of memory
78) The lowest level of input output control consist of (a) Device drivers (b) Interrupt handler (c) both (a) and (b) (d) None of these 79) The following has highest Access time: (a) Magnetic disk (b) Swapping devices (c) Floppy disk (d) Cache 80) A hardware device that is capable of executing a sequence of instruction is called (a) CU (b) Processor (c) CPU (d) ALU
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8
___________________________________________________________________________________________________________________________________________________________
KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
81) To transfer electronic mail from one machine to another, the following TCP/IP protocol is used (a) RPC (b) FTP (c) SNMP (d) SMTP
82) High-resolution, bit-mapped displays are useful for displaying: (a) more characters (b) clearer characters (c) graphics (d) all of the above 83) The last DML statement processed during a commit transaction is? (a) INSERT (b) UPDATE (c) DELETE (d) POST 84) Standard for MODEM is drawn up by the following organisation: (a) Hayes (b) AT and T (c) BELL (d) CCITT 85) The following topology has highest reliability: (a) Ring (b) Mesh (c) Bus (d) Star 86) The following are the standard synchronous communication protocol except? (a) SLIP (b) SDLC (c) PAS (d) SMTP 87) The output of a lexical analyzer is: (a) A parse tree (b) Intermediate code (c) Machine code (d) A stream of tokens 88) Following is the Special software to create a job queue: (a) Interpreter (b) Linkage editor (c) Spooler (d) Drive 89) The following is the unstable sorting method? (a) Insertion sort (b) Bubble sort (c) Merge sort (d) Heap sort 90) The time required for a gate or inverter to change its state is called (a) Propagation time (b) Decay time (c) Charging time (d) Rise time 91) <b> tag makes the enclosed text bold. What is other tag to make text bold?* a. <strong> b. <dar> c. <black> d. <emp> 92) Tags and test that are not directly displayed on the page are written in _____ section. a. <html> b. <head> c. <title> d. <body> 93) Which tag inserts a line horizontally on your web page?* a. <hr> b. <line> c. <line direction=”horizontal”> d. <tr> 94) What should be the first tag in any HTML document?* a. <head> b. <title> c. <html> d. <document> 95) Which tag allows you to add a row in a table?* a. <td> and </td> b. <cr> and </cr> c. <th> and </th> d. <tr> and </tr> 96) How can you make a bulleted list?* a. <list> b. <nl> c. <ul> d. <ol>
97) How can you make a numbered list?* a. <dl> b. <ol> c. <list> d. <ul> 98) How can you make an e-mail link?*
a. <a href=”xxx@yyy”> b. <mail href=”xxx@yyy”> c. <mail>xxx@yyy</mail> d. <a href=”mailto:xxx@yyy”>
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
99) Choose the correct HTML tag to make a text italic* a. <ii> b. <italics> c. <italic> d. <i> 100) Choose the correct HTML tag to make a text bold? a. <b> b. <bold> c. <bb> d. <bld> 101) What is the correct HTML for adding a background color? a. <body color=”yellow”> b. <body bgcolor=”yellow”> c. <background>yellow</background> d. <body background=”yellow”> 102) What is the correct HTML tag for inserting a line break? a. <br> b. <lb> c. <break> d. <newline> 103) What does vlink attribute mean? a. visited link b. virtual link c. very good link d. active link 104) Which attribute is used to name an element uniquely? a. class b. id c. dot d. all of above 105) Which tag creates a check box for a form in HTML? a. <checkbox> b. <input type=”checkbox”> c. <input=checkbox> d. <input checkbox> 106) Which of the following is not a pair tag? a. <p> b. < u > c. <i> d. <img> 107) To create HTML document you require a a. web page editing software b. High powered computer c. Just a notepad can be used d. None of above 108) HTML documents are saved in a. Special binary format b. Machine language codes c. ASCII text d. None of above 109) Some tags enclose the text. Those tags are known as* a. Couple tags b. Single tags c. Double tags d. Pair tags 110) The _____ character tells browsers to stop tagging the text* a. ? b. / c. > d. % 111) A computer network permits sharing of
a. Resources b. Information c. Both a & b d. None of these 112) The first operational computer network in the world was the ........ for the United States Department of Defense
a. ARPANET b. ERNET c. SKYNET d. DARPANET 113) ATM stands for
a. Automatic taller machine b. Automated teller machine c. Automatic transfer machine d. Automated transfer machine
114) ............ is the technology that connects the machines and people within a site in a small area
a. LAN b. MAN c. WAN d. None of these
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
115) ............ is a network that covers geographic areas that are larger, such as districts or cities
a. LAN b. MAN c. WAN d. None of these
116)........... is a network that this technology connects sites that are in diverse locations A. LAN b. MAN c. WAN d. None of these
117)........... is a collection of point-to-point links that may form a circle
A. LAN b. MAN c. WAN d. Ring topology
118) The ISDN Internetworking Equipment devices are a. Terminal Adapters (TAs) b. ISDN Bridges c. ISDN Routers d. All of these
119) ATM networks are
A. Connectionless B. Interconnected C . Connection oriented D. None of these
120)DHCP stands for A. Dynamic Host Configuration Protocol B. Digital Host Communication Provider C. Digital Host Communication Protocol D. Dynamic Host Configuration Provider
121)Unipolar, bipolar and polar encoding are types of ………….. encoding
A. Line B. block C. NRZ D. Manchester
122)……….. encoding has a transition at the middle of each bit A. RZ B. Manchester C. Differential Manchester D. All the above
123)…………… encoding has a transition at the beginning of each 0 bit
A. RZ B. Manchester C. Differential Manchester D. All the above
124)PCM is an example of …………….conversion A. Digital-to-digital B. digital-to-analog C. analog-to-analog D. analog-to-digital
125)Which of the following encoding methods does not provide for synchronization?
A. NRZ-L B. RZ C. NRZ-I D. Manchester
126)Which encoding method uses alternating positive and negative values for 1s? A. NRZ-I B. RZ C. Manchester D. AMI
127)Which quantiztion level results in a more faithful reproduction of the signal?
A. 2 B. 8 C. 16 D. 32
128)Blood coding can help in ………. at the receiver A. Synchronization B. Error detection C. Attenuation D. (a) and (b)
129)In ……………. Transmission, bits are transmitted simultaneously, each across its own wire
A. Asynchronous serial B. Synchronous serial C. Parallel D. (a) and (b)
130)In --------------- transmission, a start bit and a stop bit frame a character byte A. asynchronous serial B. Synchronous C. Parallel D. (a) and (b)
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
GENERAL KNOWLEDGE
131. Match List I with List II and select the correct answer from the codes given below the list
List I List II
a) Dutch 1. Goa b) English 2. Nagapattinam c) Portuguese 3. Hugli d) French 4. Pondicherry
(a) (b) (c) (d)
(A) 3 4 1 2
(B) 1 3 2 4
(C) 2 3 1 4
(D) 2 1 4 3
132.Which social reformer proclaimed "India for Indians"? (A) Rajaram Mohan Roy (B) Dayananda Saraswathi
(C) Swami Vivekananda (D) Ishwar Chandra Vidhyasagar
133. Which of the following are correctly matched? 1) 1st schedule - Allocation of seats of the Rajya Sabha 2) 3rdschedule - Oaths 3) 6rd schedule - Provisions relating to the administration of tribal areas in Assam, etc. 4) 10th schedule - Anti-Defection Law
a. Only 1, 2 and 3 b. Only 2, 3 and 4 c. Only 1, 2 and 4 d. All of the above
134. Match the following Column A items with correct item in Column B :
Column A Column B
A. Finance, Property, Contracts 1. Part V
B. Union Government 2. Part XII
C. State Government 3. Part XI
D. Relations between Union & the States 4. Part VI
a. A-4 B-3 C-4 D-1 b. A-2 B-1 C-4 D-3
c. A-4 B-1 C-2 D-3 d. A-2 B-3 C-4 D-1
135. Which of the following countries have an unwritten constitution?
(A) USA (B) UK (C) India (D) Pakistan
136..'Economic Justice' as one of the objectives of the Indian Constitution has been
provided in the
(a) Preamble and Fundamental Rights
(b) Preamble and Directive Principles
(c) Fundamental Rights and Directive Principle;
(d) Preamble, Fundamental Rights and Directive Principles
137. The Global Healthcare Summit (GHS) 2019 will be held in which city?
a) Punjab b) Bihar c) Hyderabad d) Delhi
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
138. On which date, the 2018 World Braille Day was observed ?
a) Jan 2 b) Jan 3 c) Jan 4 d) Jan 7
139.Which Indian player has been named as the ICC Women's Cricketer of the Year
2018?
a) Smriti mandana b) Julan Goswami c) Deepti sharma d) Mithali raj
140. Match the authors with books and choose the right option: a. Malgudi Days 1. Kautilya b. Harsha Charita 2. Swami Dayanand c. Arthasasthra 3. R.K. Narayan d. Satyarth Parkash 4. Bana Bhatta
a b c d
A. 3 4 1 2
B. 2 3 4 1
C. 4 1 2 3
D. 3 1 4 2
PSYCHOLOGY
141. Kohler‟s learning theory is
a. Trial and error learning b. Classical conditioning
c. Instrumental conditioning d. Insightful learning
142.The human fears and superstitions are developed in an individual due to
a. Classical conditioning b. Operant conditioning
c. Insight learning d. Trial and error learning
143.The first step in teaching a lesson is
a. Motivation b. Interest c. Preparation d. Presentation
144.The three dimensional theory of intelligence was propounded by
a. Woodworth b. Watson c. McDougall d. Guilford
145.Intelligence means „Seven primary mental abilities‟ was said by
a. Spearman b. Thurstone c. Guilford d. Vernon
146. A child‟s chronological age is 10. And mental age is 8. The Intelligence quotient is
a. 40 b. 80 c. 100 d. 180
147. Progressive educational programme is meant for
a. Gifted children b. Slow learners c. Mentally retarded children d. Physically handicapped children
148. Who said, “The ability to undertake activities that are difficult, complex and abstract and which are adaptive to a goal and are done quickly and which have social value and which lead to the creation of something new and difficult”.
a. Guilford b. Stoddard c. Thurstone d. Vernon
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KALAM ACADEMY NO.186, PAPER MILLS ROAD, THIRU.VEE.KA.NAGAR–9500142441
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: 9500142441 / 044 - 49588346
149. A deficiency need in Maslow‟s need hierarchy theory is
a. Safety needs
b. Love and belonging needs
c. Self-esteem needs
d. Self-actualisation needs
150.The disease that outbursts due to uncontrollable hatred anger turned to open is
a. Amnesia b. Hysteria c. Schizophrenia d. Hypomania
**************
*** ntw;wp ngw ey;tho;j;Jf;fs; ***
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