Question # 1

The ___________ allow you to type information into the computer.

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Mouse

Scanner

Printer

Keyboard

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

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logical

inner

ALU

other

Arithmetic operations are carried out by_______ units:

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CPU

RAM

ALU

ROM

CD-ROM is a type of _________.

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Optical disk

Hard disk

Soft disk

Compact disk

Joystick is an example of:

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Input devices

Output devices

Processing devices

Storage devices

___________ is a set of electronic instructions:

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Hardware

Software

Hard disk

Compact disk

1 MB equals _________byes

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1,094,265

1,904,265

1,048.576

Super computers can perform more than ---------------- calculations per second ?

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1 million

1 billion

1 trillion

1 lac

Commonly used input device is

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pen

keyboard

monitor

joystick

RAM is called_______storage.

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Primary

Secondary

Control

Scanner

Monitors, PC projectors and sound systems are

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soft copy output devices

real copy output devices

raw copy output devices

hardcopy output devices

Keyboard is commonly used_______device.

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Output

Input

Primary

Secondary

A high speed memory that is built in processor is called

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built in memory

cache memory

internal memory

external memory

Screen output is considered as a _________.

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Hardcopy

Softcopy

Input

Software

Assembly language is also known as

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objective language

syntax language

character language

symbolic language

A complete computer system has________ parts.

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2

3

4

5

Which output is permanent ?

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hard copy

real copy

soft copy

none of these

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