ECAT Pre Computer Science MCQ Test For Computer Chapter 3 With Answer

MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

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ECAT Computer Science Chapter 3 The Peripheral Devices

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Question # 1

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

Question # 2

An example of peripheral equipment

Question # 3

The disk storage that uses both a magnet and laser beam.

Question # 4

Which is not beneficial of secondary storage

Question # 5

A device used for optical-character recognition is a.

Question # 6

Abother word for printer

Question # 7

The most common storage devices in a computer system are.

Question # 8

To send data, instruction and information you need a

Question # 9

A bar code reader is an example of a(n).

Question # 10

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

Question # 11

In a computer system, which of the following has largest number of mechanical components and thus most unreliable.

Question # 12

A storage medium which can not support both direct access and sequential access application is

Question # 13

Following devices are used in simplex mode

Question # 14

A magnetized spot represents.

Question # 15

A disk pack within a selected data module is a

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A computer that accepts handwritten input on a screen.
A. minicomputer
B. desktop computer
C. mainframe
D. pen-based computer
2 The speed at which a disk can find data being bought is called
A. access time
B. data transfer rate
C. direct time
D. cylinder time
3 Analog signal is measured in
A. Volts
B. Pulses
C. Hertz
D. WATTS
4 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
5 A way of physically organizing data on a disk pack to minimize seek time uses.
A. sequential file
B. removable hard
C. the cylinder method
D. Winchester technology
6 CD-ROM has the same format as
A. DAT
B. diskette
C. audio compact disk
D. backup tape
7 An example of peripheral devices
A. CPU
B. Printer
C. Spreadsheet
D. microcomputer
8 Coaxial and fiber cables are examples of media
A. Guided
B. Router
C. Un-guided
D. Simplex
9 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
10 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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