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

Internal modem is connected to

Question # 2

The mechanism for reading or writing data in a disk is called

Question # 3

To concept of using several small disk packs that work together as a unit is.

Question # 4

The major disadvantage of magnetic tapes is.

Question # 5

Computer output produced as small film images is called

Question # 6

CD-ROM has the same format as

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

A magnetized spot represents.

Question # 12

Data us transmitted block by block in

Question # 13

Records stored on a Direct Access storage device.

Question # 14

A disk pack within a selected data module is a

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A device used for optical character recognition is
A. wand reader
B. light pen
C. mouse
D. micr reader
2 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
3 The most commonly used character code/s transmission is/are
A. EBCDIC
B. ASCII
C. both EBCDIC and ASCII
D. nethier EBCDIC and ASCII
4 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
5 In a computer system, which of the following has largest number of mechanical components and thus most unreliable.
A. magnetic tape
B. magnetic drum
C. floppy disk
D. printer
6 A pictorial screen symbol that represent a computer activity is called
A. touch screen
B. icon
C. miicr
D. pointer
7 The time require for the access arm to get into position over a particular track is.
A. rotational delay
B. data transfer
C. seek time
D. head switching
8 The major disadvantage of magnetic tape is
A. cost
B. unreliability of store data
C. slow data recording
D. data is accessed sequentially
9 A magnetize spot represent
A. CPI
B. MB
C. 0 bit
D. 1 bit
10 Which input device is often attached to laptop computers:
A. trackball
B. inscriber
C. wand reader
D. graphic display

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