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

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

Question # 2

Which of the following cable is comprised of two separate insulated copper wires that are twisted?

Question # 3

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

Question # 4

The voice channel has a bandwidth of

Question # 5

Which input device is often attached to laptop computers:

Question # 6

Laser beam technology is used for.

Question # 7

A device used for optical character recognition is

Question # 8

A device that inputs data by scanning letters and numbers is a.

Question # 9

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

Question # 10

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

Question # 11

The cursor can be moved rolling this device on a flat surface.

Question # 12

Computer output produced as small film images is called

Question # 13

A disk pack within a selected data module is a

Question # 14

A color screen with the best resolution has the most.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 Word is 16 bits is
A. 65536
B. 64526
C. 32526
D. 34526
3 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
4 A bar code reader is an example of a(n).
A. processing device
B. storage device
C. Input device
D. output device
5 Which is not beneficial of secondary storage
A. convenience
B. DAT
C. economy
D. space
6 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay
7 The equipment attached to CPU which computer can access are called
A. Hardware
B. input output devices
C. computer components
D. peripherals
8 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
9 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
10 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

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