Question # 1

Arithmetic operations are carried out by ---------------- unit

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logical

inner

ALU

other

1MB equals

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1048576 bytes

1024 bytes

2048 bytes

2380 bytes

One byte equal:

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4 bits

6 bits

8 bits

12 bits

CD-ROM is a type of _________.

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Optical disk

Hard disk

Soft disk

Compact disk

Keyboard, mouse and scanner are the ---------- devices

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input

output

logical

mini

Machine language is in the form of

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1 and 2

0 and 1

1 and 3

0 and 3

CD-ROM is a type of

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hard disk

soft disk

floppy disk

optical disk

A complete computer system has________ parts.

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2

3

4

5

The most common measurement unit for describing a computer's memory is

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bits

mega bytes

bytes

kilobytes

Super computers can process million of instructions:

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Per second

Per microsecond

Per minute

Per hour

Screen output is considered as a _________.

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Hardcopy

Softcopy

Input

Software

The most common type of computer memory is called

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ROM

REM

RAM

RIM

1 kb = _____________ bytes

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10

100

1000

10,000

Joystick is an example of:

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Input devices

Output devices

Processing devices

Storage devices

RAM is called_______storage.

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Primary

Secondary

Control

Scanner

Data is defined as combination of

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character and numbers

characters and symbols

numbers and symbols

characters, number and symbols

Which output is permanent ?

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hard copy

real copy

soft copy

none of these

1 MB equals _________byes

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1,094,265

1,904,265

1,048.576

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