Computer Knowledge #28 Multiple Choice Questions

COMPUTER KNOWLEDGE #28

MULTIPLE CHOICE QUESTIONS

Computer Knowledge : Multiple Choice Questions (MCQ) : Assam Jobs Guide

1. Registers, which are partially visible to users and used to hold conditional, are known as which of the following?

(a) PC

(b) Memory address registers

(c) General purpose registers

(d) Flags

Answer: (c)

2. Which of the following is not a computer of first generation?

(a) ENIAC

(b) UNIVAC

(c) IBM 360

(d) IBM 1401

Answer: (d)

3. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as which of the following?

(a) PC

(b) Flags

(c) Memory Address Registers

(d) General Purpose Registers

Answer: (b)

4. Who invented vacuum tubes?

(a) John Bardeen

(b) William Shockley

(c) Lee de Forest

(d) All of the above

Answer: (c)

5. What is the approach that permits the computer to work on several programs instead of one?

(a) On-line thesaurus

(b) Multiprogramming

(c) Over lapped processing

(d) Outline processor

Answer: (c)

6. Who suggested Stored Program Concept?

(a) John Mauchley

(b) J.P. Eckert

(c) John Neumann

(d) Joseph Jacquard

Answer: (c)

7. The central processing unit (CPU) consists of which of the following?

(a) Input, output and processing

(b) Control unit, primary storage, and secondary storage

(c) Control unit, arithmetic-logic unit and primary storage

(d) Control unit, processing, and primary storage

Answer: (c)

8. The notable features like keyboards, monitors, GUI were developed in which of the following?

(a) First generation

(b) Second generation

(c) Third generation

(d) Fourth generation

Answer: (c)

9. What is the full form of UNIVAC?

(a) Universal Automatic Computer

(b) Universal Array Computer

(c) Unique Automatic Computer

(d) Unvalued Automatic Computer

Answer: (a)

10. Which is the highest form?

(a) Data

(b) Information

(c) Knowledge

(d) All of the above

Answer: (c)

11. Who is credited with the idea of using punch cards to control patterns in a waving machine?

(a) Pascal

(b) Hollerith

(c) Babbage

(d) Jacquard

Answer: (d)

12. What is an interpreter?

(a) An interpreter does the conversion line by line as the program is run

(b) An interpreter is the representation of the system being designed

(c) An interpreter is a general purpose language providing very efficient execution

(d) None of the above

Answer: (b)

13. Which is a semi conductor memory?

(a) Dynamic

(b) Static

(c) Bubble

(d) Both ‘a’ and ‘b’

Answer: (d)

14. How many pairs of cable does RJ45 UTP cable have?

(a) 2 pairs

(b) 3 pairs

(c) 4 pairs

(d) 5 pairs

Answer: (c)

15. Which of the following is not a valid size of a Floppy Disk?

(a) 8”

(b) 5 ¼”

(c) 3 ½”

(d) 5 ½”

Answer: (d)

16. What are the earliest calculating devices?

(a) Abacus

(b) Clock

(c) Difference Engine

(d) None of the above

Answer: (a)

17. What is the word length of a Personal Computer?

(a) 4 bits

(b) 8 bits

(c) 16 bits

(d) 64 bits

Answer: (b)

18. What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?

(a) Mark I

(b) ABC

(c) Z3

(d) None of the above

Answer: (b)

19. A directly accessible appointment calendar is feature of a …………… resident package

(a) CPU

(b) Memory

(c) Buffer

(d) ALU

Answer: (b)

20. Which unit converts computer data into human readable form?

(a) Input unit

(b) Output unit

(c) ALU

(d) Control unit

Answer: (b)

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