Question # 1

What is the final result of data processing referred to as.

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Input

Processing

Output

Storage

What does a light pe consist of

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A laser beam at its base

A sphericla ball at its lower end

A photocell and an opticla system

A microphone

Input device which is used to transfer hardcopy into a computer is called.

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Mouse

Joystic

Scanner

Keyboard

The device that is used to input sound in the coputer is known as.

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Joystic

Speaker

Microphone

Light pen

All mathematicla opeations in computer are performed by.

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Memory unit

Control Unit

Arithmetic unit

Storage unit

What is a hard disk drive.

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A volatile secondary storage device

An optical storage device

Aprimary storage device

A non-volatile secondary storage device

What type of data does a pressure sensor record.

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Magnetic field

Motion

Pressure

Light

What is a mouse in a computer system.

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A joystic device

A light pen device

A microphne device

A cursor -control device

What two main elements make up a computer system.

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Input and output devices

Hardware and software

Arithmetic and logical unit

Control and memory unit

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Computer Science 6th Class Chapter 2 English Medium Online Test MCQs With Answers

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