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

Question # 2

Laser beam technology is used for.

Question # 3

All of the following are Guided Communication media except

Question # 4

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

Question # 5

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

Question # 6

A magnetized spot represents

Question # 7

The disk storage that use both magnet and laser beam

Question # 8

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

Question # 9

Personal computer users may wish to increase their hard disk storage capacity with.

Question # 10

A color screen with the best resolution has the most.

Question # 11

Computer output produced as small film images is called.

Question # 12

Laser beam technology is used for

Question # 13

The most commonly used output devices in a computer system are

Question # 14

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

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 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
2 A device used for optical character recognition is
A. wand reader
B. light pen
C. mouse
D. micr reader
3 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
4 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
5 A magnetized spot represents.
A. cpi
B. MB
C. 0 bit
D. 1 bit
6 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
7 Soft copy refers to.
A. OCR-A
B. screen output
C. microfiche
D. digitizing
8 A digital computer system consists of a central processing unit interfaced with
A. input devices
B. auxiliary storage
C. output devices
D. all of above
9 The major disadvantage of magnetic tape is
A. cost
B. unreliability of store data
C. slow data recording
D. data is accessed sequentially
10 DASD refers to.
A. disk storage
B. track
C. tape storage
D. sorting

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