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

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

Question # 3

Data us transmitted block by block in

Question # 4

A hard disk can be backed up efficiently using.

Question # 5

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

Question # 6

The encoding scheme of data represent as

Question # 7

A bar code reader is an example of a(n).

Question # 8

Assigning more sector to outer hard disk is called

Question # 9

CD-ROM has the same format as

Question # 10

The voice channel has a bandwidth of

Question # 11

A computer that accepts handwritten input on a screen.

Question # 12

A color screen with the best resolution

Question # 13

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

Question # 14

Computer output produced as small film images is called.

Question # 15

A pictorial screen symbol that represent a computer activity is called

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 DASD refers to.
A. disk storage
B. track
C. tape storage
D. sorting
2 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay
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 The mechanism for reading or writing data in a disk is called
A. track
B. rorational delay
C. access arm
D. seek time
5 The most commonly used output devices in a computer system are
A. printers and monitors
B. disk drives and printers
C. disk drive and tape drives
D. tape drive and keyboards
6 Imaging used what device to input data.?
A. scanner
B. icon
C. bar code reader
D. tablet
7 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
8 The major disadvantage of magnetic tapes is.
A. cost
B. unreliability of store data
C. slow data recording
D. data is to be accessed sequentially
9 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
10 A one color screen on a black background is called
A. monochrome
B. addressable
C. blank
D. lcd

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