Question # 1

What is the most commonly used capacity measurement unit for Hard Disk Drives.

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Magebytes

Gigabytes

Terabytes

Zettabytes

All mathematicla opeations in computer are performed by.

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Memory unit

Control Unit

Arithmetic unit

Storage unit

Which of the following is not an input device.

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Keyboard

Speaker

Mouse

Scanner

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

In light pen the sensing element is called.

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Light cell

Cell

Photocell

None

What type of memory is used to temporarily store data for processing by the CPU.

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RAM

ROM

Hard disk

Flash Drive

What type of device is a microphone in a computer system.

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Output device

Input device

Memor device

Control device

What type of data can be entered into a computer using a microphone.

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Text data

Video data

Audio data

Image data

What type of data does a pressure sensor record.

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Magnetic field

Motion

Pressure

Light

Which of the following is not part of CPU

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CU

AU

MU

CPU

What is the function fo USB Flash Memory.

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To stor edata for a limited time

To store data Temporaily

To store data permanetly

To store data only when computer is turned off

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