Computer Knowledge #24 Multiple Choice Questions

COMPUTER KNOWLEDGE #24

MULTIPLE CHOICE QUESTIONS

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

1. Which generation of computer is still under development?

(a) Fourth Generation

(b) Fifth Generation

(c) Sixth Generation

(d) Seventh Generation

Answer: (b)

2. What is called the register organized to allow to move left or right operations?

(a) Counter

(b) Loader

(c) Adder

(d) Shift register

Answer: (d)

3. Which was the most popular first generation computer?

(a) IBM 650

(b) IBM 360

(c) IBM 1130

(d) IBM 2700

Answer: (a)

4. Which is considered a direct entry input device?

(a) Optical scanner

(b) Mouse and digitizer

(c) Light pen

(d) All of the above

Answer: (d)

5. What is called the set of information that defines the status of resources allocated to a process?

(a) Process control

(b) ALU

(c) Register Unit

(d) Process description

Answer: (d)

6. Each set of Napier’s bones consisted of ………. rods.

(a) 5

(b) 9

(c) 11

(d) 13

Answer: (c)

7. What is BCD?

(a) Binary Coded Decimal

(b) Bit Coded Decimal

(c) Binary Coded Digit

(d) Bit Coded Digit

Answer: (a)

8. When was the world’s first laptop computer introduced in the market and by whom?

(a) Hewlett-Packard, 1980

(b) Epson, 1981

(c) Laplink Traveling Software Inc, 1982

(d) Tandy Model-200, 1985

Answer: (b)

9. From which generation operating systems were developed?

(a) First

(b) Second

(c) Third

(d) Fourth

Answer: (c)

10. Which was the first firm to mass-market a microcomputer as a personal computer?

(a) IBM

(b) Super UNIVAC

(c) Radio Shaks

(d) Data General Corporation

Answer: (c)

11. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?

(a) 10

(b) 11

(c) 8

(d) 12

Answer: (b)

12. What is called properly arranged data?

(a) Field

(b) Words

(c) Information

(d) File

Answer: (c)

13. A computer consists of which of the following?

(a) A central processing unit

(b) A memory

(c) Input and output unit

(d) All of the above

Answer: (d)

14. Why are vacuum tubes also called valves?

(a) Because they can amplify the weak signals and make them strong

(b) Because they can stop or allow the flow of current

(c) Both ‘a’ and ‘b’

(d) None of the above

Answer: (b)

15. When was Logarithm invented by John Napier?

(a) 1614

(b) 1617

(c) 1620

(d) None of the above

Answer: (a)

16. An integrated circuit is ……………

(a) a complicated circuit

(b) an integrating device

(c) much costlier than a single transistor

(d) fabricated on a tiny silicon chip

Answer: (d)

17. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

(a) Bus control

(b) Interrupts

(c) Bus arbitration

(d) Status

Answer: (c)

18. Where as a computer mouse moves over the table surface, the trackball is ……………

(a) Stationary

(b) Difficult to move

(c) Dragged

(d) Moved in small steps

Answer: (a)

19. Which of the following is used as a primary storage device?

(a) Magnetic drum

(b) Hard Disks

(c) Floppy

(d) All of the above

Answer: (a)

20. Multi user systems provided cost savings for small business because they use a single processing unit to link several ……………

(a) Personal computers

(b) Workstations

(c) Dumb terminals

(d) Mainframes

Answer: (c)

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