Online Test

Question # 1

A digital computer system consists of a central processing unit (CPU) interfaced with.

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input devices

auxilary storage

output devices

all of the above

An example of peripheral equipment

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CPU

spreadsheet

printer

microcomputer

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

A storage medium which cannot support both direct-access and sequential-access application is.

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magnetic drum

hard disk

magnetic tape

floppy disk

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

Shift of a register by one bit to left in binary code is equivalent to.

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addition of 2

subtraction of 2

division by 2

multiplication by 2

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

A device used for optical-character recognition is a.

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wand reader

light pen

mouse

MICR reader

Microwave and Communication Satellite are example of

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Guided

Un-guided

Simplex

Router

The major disadvantage of magnetic tape is

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cost

unreliability of store data

slow data recording

data is accessed sequentially

Which input device is often attached to laptop computers.

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trackball

inscriber

graphics display

wand reader

A one color screen on a black background is called

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monochrome

addressable

blank

lcd

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

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

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track

rorational delay

access arm

seek time

An example of peripheral devices

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CPU

Printer

Spreadsheet

microcomputer

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

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

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