Computer Knowledge #22 Multiple Choice Questions

COMPUTER KNOWLEDGE #22

MULTIPLE CHOICE QUESTIONS

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

1. Which was the main electronic component used in first generation computers?

(a) Transistors

(b) Vacuum Tubes and Valves

(c) Integrated Circuits

(d) None of above

Answer: (b)

2. A dumb terminal has which of the following?

(a) An embedded microprocessor

(b) Extensive memory

(c) Independent processing capability

(d) A keyboard and screen

Answer: (d)

3. One millisecond is ……………

(a) 1 second

(b) 10th of a second

(c) 1000th of a second

(d) 10000th of a second

Answer: (c)

4. The output quality of a printer is measured by which of the following?

(a) Dot per sq. inch

(b) Dot per inch

(c) Dots printed per unit time

(d) All of the above

Answer: (b)

5. Which of the following was a special purpose computer?

(a) ABC

(b) ENIAC

(c) EDVAC

(d) All of the above

Answer: (a)

6. What was the computer invented by Attanasoff and Clifford?

(a) Mark I

(b) ABC

(c) Z3

(d) None of above

Answer: (b)

7. Which of the following storage devices can store maximum amount of data?

(a) Floppy Disk

(b) Hard Disk

(c) Compact Disk

(d) Magneto Optic Disk

Answer: (b)

8. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

(a) ENIAC

(b) MARK I

(c) Z3

(d) ABC

Answer: (a)

9. A physical connection between the microprocessor memory and other parts of the microcomputer is known as which of the following?

(a) Path

(b) Address bus

(c) Route

(d) All of the above

Answer: (b)

10. High density double sided floppy disks could store …………… of data.

(a) 1.40 MB

(b) 1.44 GB

(c) 1.40 GB

(d) 1.44 MB

Answer: (d)

11. A high quality CAD system uses which of the following for printing drawing and graphs?

(a) Dot matrix printer

(b) Digital plotter

(c) Line printer

(d) All of the above

Answer: (b)

12. Which of the following is not an input device

(a) OCR

(b) Optical scanners

(c) Voice recognition device

(d) COM (Computer Output to Microfilm)

Answer: (d)

13. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately ……………

(a) 16 digits

(b) 6 digits

(c) 9 digits

(d) All of above

Answer: (a)

14. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?

(a) Motherboard

(b) Daughterboard

(c) Breadboard

(d) Fatherboard

Answer: (a)

15. Magnetic disks are the most popular medium for which of the following?

(a) Direct access

(b) Sequential access

(c) Both ‘a’ and ‘b’

(d) None of above

Answer: (d)

16. A technique used by codes to convert an analog signal into a digital bit stream is known as which of the following?

(a) Pulse code modulation

(b) Pulse stretcher

(c) Query processing

(d) Queue management

Answer: (a)

17. Regarding a VDU, Which statement is more correct?

(a) It is an output device

(b) It is an input device

(c) It is a peripheral device

(d) It is hardware item

Answer: (c)

18. A modern electronic computer is a machine that is meant for which of the following?

(a) Doing quick mathematical calculations

(b) Input, storage, manipulation and outputting of data

(c) Electronic data processing

(d) Performing repetitive tasks accurately

Answer: (b)

19. When was vacuum tube invented?

(a) 1900

(b) 1906

(c) 1910

(d) 1880

Answer: (b)

20. Which of the following produces the best quality graphics reproduction?

(a) Laser printer

(b) Ink jet printer

(c) Plotter

(d) Dot matrix printer

Answer: (c)

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