Vayudoot Aviation

1. Aircraft data in analog form, before being processed by a computer must be passed through a

EAROM

analog to digital converter (A to D)

EPROM

digital to analog converter (D to A)

2. The smallest information element in a digital system is

byte

electron

bit

digit

3. In computer terminology a memory which loses its data when power is removed is called

non-retentive

non-permanent

non-volatile

volatile

4. The computer language system which uses the base 16 is known as

hectadecimal

octal

septagesimal

hexadecimal

5. A group of binary digits handled as a group is referred to as a

bits

mega bit

giga bit

byte

6. In a digital computer binary 1 is represented by +5 volts and Binary 0 by earth. This is an example of

bipolar logic

analog system

negative logic

positive logic

7. In computer terminology an input peripheral device would be

a keyboard

a screen display unit

a hard disk

a floppy disk

8. In computer terminology a memory which retains its data when power is removed is called:

ROM

volatile

RAM

non-volatile

9. Memory capacity in a digital computer is expressed in

RAM capacity

Bits (Mbits, Gbits)

Bytes (Mbytes, Gbytes)

ROM capacity

10. In computer terminology an output peripheral device would be

a hard disk

a floppy disk

a keyboard

a screen display unit

11. The permanent memory of a digital computer usually takes the form of

shift registers whose capacity is rated in mega or gigabytes

Integrated circuits rated in megabytes

floppy or hard disks whose capacity is measured in mega or gigabytes

Central Processing Unit

12. Within the Central Processing Unit, the temporary stores and accumulator which handle the data during processing are called

Shift Registers

BIOS

Arithmetic Logic Unit (ALU)

Control Unit

13. A basic digital computer consists of: 1. input peripherals 2. central processing unit 3. inertial unit 4. memory 5. auto brightness control 6. output peripherals

1, 4, 6 only

1, 2, 4 and 6

1, 2, 3, 4 and 6

2, 3, 4 and 6

14. In computer terminology “software” refers to

the memory system floppy disks, hard disks, etc

the BIOS

the RAM and ROM capacity

the programme of instructions

15. Convert the decimal number 7 to its binary equivalent

100

1110

1101

111

16. The number system which uses the numbers 0 to 9 followed by the letters A to F is

hexadecimal

alpha numeric

numeric alpha

octal

17. Examples of input peripheral devices are: 1. mouse 2. modem 3. printer 4. screen display unit 5. keyboard

2, 3, 4 and 5

1, 2, 3

1, 2 and 5

1 and 5

18. In a negative logic system

binary 1 is a high level, binary 0 is a low level

binary 1 is a low level, binary 0 is a high level

binary 1 is positive, binary 0 is negative

binary 1 and binary 0 are equal levels above and below zero

19. The computer language system which uses the base 8 is called

binary

hexadecimal

octal

decimal

20. The computer language in which calculations are carried out and information is stored in memory is

octal

hexadecimal

decimal

binary

21. The two types of binary logic are

variable and negative

variable and reversible

positive and reversible

positive and negative

22. Convert binary 1110 to its decimal equivalent

15

13

14

16

23. The Central Processing Unit (CPU) consists of: 1. input device 2. output device 3. Arithmetic Logic Unit (ALU) 4. Shift Registers 5. Control Unit 6. Hard disk

1, 2, 5, and 6

3, 4, and 6

3, 4 and 5

1, 2, 3 and 5

24. The purpose of the Arithmetic Logic Unit within the Central Processing Unit is to

perform all clock functions based on the computer clock frequency (clock time)

perform calculations in the binary number system

perform calculations in the binary, octal or hexadecimal system

act as a temporary store for information being processed

25. In computer terminology “hardware” refers to

the RAM capacity

the permanent memory system and its capacity

the digital computer components, keyboard, monitor, CPU, etc

the programme of instructions

Question Bank

Questions for BASIC COMPUTERS