Question # 1

Laser beam technology is used for

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terminals

optical disk

keyboard

magnetic tape

The time required for the access arm to get into position over a particular track is

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rotational delay

data transfer

seek time

head switching

The ability to return a change disk record to its original location is called

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magneto optical

rotational delay

updating in place

multimedia

Imaging used what device to input data.?

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scanner

icon

bar code reader

tablet

Voice input device convert voice input to

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digital code

OCR-A

bar codes

optical marks

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

A graph prepared by a computer.

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Is its output

Is the piece of information to user

Is a hard copy

All of the above

Word is 16 bits is

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65536

64526

32526

34526

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

A magnetized spot represents

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cpi

MB

0 bit

1 bit

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

A magnetize spot represent

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CPI

MB

0 bit

1 bit

A one-color screen on a black background is called.

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monochrome

addressable

blank

liquid crystal display

The ability to return a changed disk record to its original location is called.

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magneto-optical

rotational delay

multimedia

updating in place

Communication between a computer and keyboard involes __________ transmission.

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Half duplex

Full-duplex

Simplex

Automatic

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

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ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers

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