Solved Computer Science Paper for KVS PGT Exam

Please send me pgt computer science previous year question papers.my email id is reenagoswami29 @gmail.com

[QUOTE=Unregistered;753287]please send me KVS PGT Computer science solved sample paper of last 10 year for preparation of 2015 Exam. My mail Id nsujit140@gmail.com

please send me previous years question papers of kvs pgt computer science with answer keys.

Please send me previous year KVS PGT Computer science question papers with answer keys on vineetha72017@gmail.com

Please send me computer science previous year question papers .my mail id is csearchana504@gmail.com

Hi buddy here I am looking for Solved Computer Science Paper for KVS PGT Exam preparation so will you plz let me know from where I can do collect it ??

As you are asking for Solved Computer Science Paper for KVS PGT Exam preparation so on your demand I am providing same here :

1. Which of the following most accurately describes multiple inheritances?

A. When two classes inherit from each other.

B. When a child class has two or more parent classes.

C. When a base class has two or more derived classes.

D. When a child class has both an "is a" and a "has a" relationship with its parent class.

Answer: b)

2. The logic circuit of binary adder which is used to add two 4-bits binary numbers requires ____ half adder (s) and _________ full adder(s).

A. 1, 3

B. 3, 1

C. 2, 2

D. 4, 0


Answer: a)

3. ____ refers to the amount of time required to position the read - write head of a hard disk on appropriate sector.

A. Seek time

B. Rotational latency

C. Access time

D. Load time

Answer: b)

4. Anti-aliasing is important to improve the readability of text. It deals with the:

A. Spacing between two individual characters.

B. Spacing of a group of characters.

C. Underlining of letters.

D. Elimination of "jaggies".

Answer: d)

5. Assume X and Y are non-zero positive integers. Consider the following pseudocode fragment: while X != Y do if X gt y then X = X- Y else Y= Y - X endif endwhile print (X) What is the code doing?

A. It computes the LCM of two numbers.

B. It divides the largest numbers by the smaller.

C. If finds the smaller of two numbers.

D. It computes the GCD of two numbers.

Answer: d)

6. How many gate (S) would be required to implement the following Boolean expression after simplification? Expression: AC + ABC

A. 1

B. 3

C. 2

D. 4


Answer: a)

7. To declare the version of XML, the correct syntax is:

A. ? xml version ='1.0'/

B. ? xml version ="1.0"/

C. * xml version ='1.0'/

D. / xml version ='1.0'/

Answer: b)

8. A multimedia project is said to be _________ and user-interactive when users are given navigational control.

A. Hypertext

B. Non-linear

C. Linear

D. Secure

Answer: b)

9. On which of the following storage media, storage of information is organized as a single continuous spiral groove?

A. Ram

B. Floppy disk

C. Hard disk

D. CD-ROM

Answer: d)

10. The addressing mode used in an instruction of the from ADD X, Y is:

A. Absolute

B. Indirect

C. Immediate

D. Index

Answer: d)

11. The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using:

A. Dirty bit

B. Compaction

C. Aging

D. Swapping

Answer: c)

12. What is garbage collection in the context of Java?

A. The operating system periodically deletes all of the Java files available on the system.

B. When all references to an object are gone, and then the memory used by the object is automatically reclaimed.

C. Any java package imported in a program and not being used is automatically deleted.

D. The java virtual machine (JVM) checks the output of any java program and deleted anything that does not make sense at all.

Answer: b)

13. Which of the following represents the life-cycle of software development?

A. Analysis -Design - Coding - testing - operation and maintenance

B. Analysis - Design - Coding - operation and maintenance - testing

C. Design - Analysis -Coding - testing - operation and maintenance

D. Design - Analysis -Coding - operation and maintenance testing

Answer: a)

14. In a relational database model, cardinality of a relation means

A. The number of tuples

B. The number of tables

C. The number of attributes

D. The number of constraints

Answer: a)

15. The 10 base 5 cabling is also known as ___________.

A. Thick Ethernet

B. Gigabit Ethernet

C. Thin Ethernet

D. Fast Ethernet

Answer: a)

16. What is the bit rate for transmitting uncompressed 800 X 600 pixel color frame with 8 bits/pixel at 40 frames / second ?

A. 2.4 mbps

B. 153.6 mbps

C. 15.36 mbps

D. 1536 mbps

Answer: b)

17. What is the length of an IP address in bytes (pre-IPv6)?

A. 1

B. 4

C. 2

D. 8

Answer: b)

18. Program counter contents indicate:

A. The time elapsed since execution begins.

B. The count of programs being executed after switching the power ON.

C. The address where next instruction is stored.

D. The time needed to execute a program.

Answer: c)

19. Which of the following is the most appropriate format for graphics that are to be embedded within an internet document?

A. BMP

B. GIF

C. TIFF

D. HTML

Answer: b)

20. The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as:

A. CISC

B. SIMD

C. RISC

D. MIMD

Answer: c)

21. Ten signals, each requiring 3000 Hz, are multiplexed onto a single channel using FDM. How much minimum bandwidth is required for the multiplexed channel? Assume that the guard bands are 300 Hz wide.

A. 30,000

B. 33,000

C. 32,700

D. 33,700

Answer: c)

22. In which addressing mode, the operand is given explicitly in the instruction (Example instruction: ADD R4, #3)

A. Absolute mode

B. Register indirect mode.

C. Immediate mode

D. Based Indexed mode.

Answer: c)

23. In relational databases, the natural join of two tables is:

A. Combination of Union and filtered Cartesian product.

B. Combination of projection and filtered Cartesian product.

C. Combination of selection and filtered Cartesian product.

D. Cartesian product always.

Answer: b)

24. Which of the following memory improves the speed of execution of a program?

A. Primary Memory

B. Cache Memory

C. Secondary Memory

D. Virtual Memory

Answer: b)

25. Which of the following devices understands the format and contents of the data and translate message from one format to another?

A. Hub

B. Router

C. Switch

D. Gateway

Answer: d)

26. Buying and selling goods over the internet is called:

A. Hyper-marketing

B. E-Commerce

C. Cyber-selling

D. Euro-Conversion

Answer: b)

27. Mechanism that is used to convert domain name into I address is known as _________.

A. URL

B. DNS

C. FTP

D. HTTP

Answer: b)

28. An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ________ and __________.

A. 1000 bauds / sec, 500 bps

B. 2000 bauds / sec, 1000 bps

C. 4000 bauds / sec, 1000 bps

D. 1000 bauds / sec, 4000 bps

Answer: d)

29. Which of the following data structures is most suitable for evaluating postfix expressions?

A. Stacks

B. Queue

C. Linked list

D. Tree

Answer: a)

30. The complexity of linear search algorithm is:

A. O (n)

B. O (n*n)

C. O (log n)

D. O (n log n)

Answer: a)

__________________
Answered By StudyChaCha Member