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

A color screen with the best resolution

Question # 2

An arrangement in which data is transmitted in both directions at a time is called

Question # 3

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

Question # 4

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

Question # 5

Internal modem is connected to

Question # 6

CD-ROM has the same format as

Question # 7

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

Question # 8

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

Question # 9

A pictorial screen symbol that represent a computer activity is called

Question # 10

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

Question # 11

Imaging used what device to input data.?

Question # 12

The equipment attached to CPU which computer can access are called

Question # 13

Data us transmitted block by block in

Question # 14

The most commonly used output devices in a computer system are

Question # 15

CD-ROM has the same format as

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
2 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud
3 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
4 A storage medium which can not support both direct access and sequential access application is
A.
magnetic drum
B. hard disk
C. magnetic tape
D. floppy disk
5 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay
6 The mechanism for reading or writing data in a disk is called
A. track
B. rorational delay
C. access arm
D. seek time
7 A set raw, unprocessed facts, figures and symbols is called
A. Information
B. Data
C. Instruction
D. Code
8 If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to
A. CPU
B. disk
C. CRT
D. printer
9 The equipment attached to CPU which computer can access are called.
A. hardware
B. input/output devices
C. peripherals
D. computer components
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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