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 one-color screen on a black background is called.

Question # 2

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

Question # 3

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

Question # 4

The equipment attached to CPU which computer can access are called.

Question # 5

All of the following are Guided Communication media except

Question # 6

Soft copy refers to.

Question # 7

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

Question # 8

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

Question # 9

Assigning more sector to outer hard disk is called

Question # 10

Which is not beneficial of secondary storage

Question # 11

Voice input devices convert voice input to.

Question # 12

A device used for optical-character recognition is a.

Question # 13

A device that inputs data by scanning letters and number is a

Question # 14

A color screen with the best resolution

Question # 15

Another word for printer.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 An arrangement in which data is transmitted in both directions at a time is called
A. Simplex
B. Full duplex
C. Half duplex
D. Multi-duplex
2 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud
3 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
4 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
5 To send data, instruction and information you need a
A. Sending device
B. Receiving device
C. Channel device
D. Communication signal
6 The cursor can be moved rolling this device on a flat surface.
A. mouse
B. wand reader
C. trackball
D. interactive tablet
7 The ___________ is the physical path over which a message travels.
A. Single
B. Double
C. Protocol
D. Medium
8 The most commonly used character code/s transmission is/are
A. EBCDIC
B. ASCII
C. both EBCDIC and ASCII
D. nethier EBCDIC and ASCII
9 A computer that accepts handwritten input on a screen.
A. minicomputer
B. desktop computer
C. mainframe
D. pen-based computer
10 Computer output produced as small film images is called
A. LCD
B. COM
C. OMR
D. OCR

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