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Multiple Choice Questions : Basics of Computer Fundamentals 7

1. the accuracy of the floating point numbers represent able in two 16bit words of a computer is approximately

a. 16 digits

b. 6 digits

c. 4 digits

d. All of above

2. a dumb terminal has

a. an embedded microprocessor

b. extensive memory

c. independent processing capability

d. a keyboard and screen

3. plotter accuracy is measured in terms of repeatability and

a. buffer size

b. resolution

c. vertical dimension

d. intelligence

4. bit map terminal

a. support display containing multiple window

b. require considerable amount of video RAM

c. requires tremendous amount of copying and hence low performance

d. all of above

5. how many symbols exist in Baudot code?

a. 32

b. 116

c. 58

d. 76

6. Daisy wheel printer is a type of

a. Matrix printer

b. Impact printer

c. Laser printer

d. Manual printer

7. The number of records contained within a block of data on magnetic tape is defined by the

a. Block definition

b. Record contain clause

c. Blocking factor

d. Record per block

8. Serial access memories are useful in applications where

a. Data consists of numbers

b. Short access time is required

c. Each stored word is processed differently

d. Data naturally needs to flow in and out in serial form

9. how many types of storage loops exists in magnetic bubble memory

a. 8

b. 4

c. 16

d. 2

10. which of the following memories must be refreshed many times per second?

a. Static RAM

b. Dynamic RAM

c. EPROM

d. ROM

11. The memory which is programmed at the time it is manufactured

a. ROM

b. RAM

c. PROM

d. EPROM

12. Which of the following memory medium is not used as main memory system?

a. Magnetic core

b. Semiconductor

c. Magnetic tape

d. Both semiconductor and magnetic tape

13. The control unit of a microprocessor

a. Stores data in the memory

b. Accepts input data from keyboard

c. Performs arithmetic/logic function

d. None of above

14. 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

a. PC

b. Flags

c. Memory Address Registers

d. General Purpose Registers

15. One of the main feature that distinguish microprocessors from micro-computer is

a. Words are usually large in microprocessors

b. Words are shorter in microprocessors

c. Microprocessor does not contain I/O device

d. Exactly the same as the machine cycle time

16. Which was the world’s first microcomputer that used Intel 80386 microprocessor chip?

a. IBM PS/2

b. HP-9830

c. DeskPro-386

d. IBM-360

17. 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

18. The first microprocessor built by the Intel corporation was called

a. 8008

b. 8080

c. 4004

d. 8800

19. who built the world’s first electronic calculator using telephone relays, light bulbs and batteries?

a. Claude Shannon

b. Konrard Zues

c. George Stibits

d. Howard H. Aiken

20. Who developed a mechanical device in the 17th century that could add, subtracts, multiply, divide and find square roots?

a. Napier

b. Babbage

c. Pascal

d. Leibniz

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