Question # 1

In light pen the sensing element is called.

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Light cell

Cell

Photocell

None

What type of data does a pressure sensor record.

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Magnetic field

Motion

Pressure

Light

Which of the following are type of monitor.

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LCD

TFT

SMD

All

What are teh two most common types of printers.

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Inkjet and CRT

Laser and CRT

Inkjet and Laser

CRT and Plotter

Which of the following is not an input device.

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Keyboard

Speaker

Mouse

Scanner

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

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

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Joystic

Speaker

Microphone

Light pen

What is the main purpose of a computer.

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to process data and produce the desired information

To save data

To provide input

To display output

OCR stand for

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Optical corret Reading

Optical Character Reader

Optimal Copy Reading

Optical Character Reading

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

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