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

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

Try The 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

Which of the following does not represent an I/O devices?

Question # 2

The most commonly used character code/s transmission is/are

Question # 3

The major disadvantage of magnetic tape is

Question # 4

A device used for optical character recognition is

Question # 5

A disk pack withing a sealed data module is a.

Question # 6

If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.

Question # 7

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

Question # 8

The speed with which a disk can find data being bought is called.

Question # 9

All of the following are Guided Communication media except

Question # 10

Internal modem is connected to

Question # 11

Abother word for printer

Question # 12

A color screen with the best resolution has the most.

Question # 13

The most common storage devices in a computer system are.

Question # 14

CD-ROM has the same format as

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 The major disadvantage of magnetic tape is
A. cost
B. unreliability of store data
C. slow data recording
D. data is accessed sequentially
2 The most commonly used character code/s transmission is/are
A. EBCDIC
B. ASCII
C. both EBCDIC and ASCII
D. nethier EBCDIC and ASCII
3 Shift of register by one bit to left in binary code is equivalent to
A. addition of 2
B. subtraction of 2
C. division by 2
D. multiplication by 2
4 The mechanism for reading or writing data in a disk is called a(n).
A. track
B. rotational delay
C. seek time
D. access arm
5 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU
6 Laser beam technology is used for.
A. terminals
B. optical disk
C. keyboards
D. magnetic tape
7 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
8 A disk pack withing a sealed data module is a.
A. Backup unit
B. Winchester
C. diskette
D. CD-ROM
9 In a computer system,which of the following has largest number of mechanical components and thus most unreliable :
A. magnetic disk
B. magnetic drum
C. floppy disk
D. printer
10 A one-color screen on a black background is called.
A. monochrome
B. addressable
C. blank
D. liquid crystal display

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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