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 voice channel has a bandwidth of

Question # 2

A magnetize spot represent

Question # 3

The cursor can be moved rolling this devices on a flat surface:

Question # 4

Word is 16 bits is

Question # 5

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

Question # 6

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

Question # 7

Data is transmitted character by character in

Question # 8

Voice input device convert voice input to

Question # 9

A disk pack within a selected data module is a

Question # 10

Assigning more sectors to outer disk tracks is called.

Question # 11

A device used for optical character recognition is

Question # 12

The CRT technology with the best resolution.

Question # 13

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

Question # 14

A digital computer system consists of a central processing unit (CPU) interfaced with.

Question # 15

Which is not beneficial of secondary storage

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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. track
B. access arm
C. seek time
D. rorational delay
2 CD-ROM has the same format as a(n).
A. backup tape
B. DAT
C. diskette
D. audio compact disk
3 Microwave and Communication Satellite are example of
A. Guided
B. Un-guided
C. Simplex
D. Router
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 Personal computer user may wish to increase their hard disk storage capacity with
A. higher density
B. DAT
C. read only media
D. removable hard disk cartridge.
6 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
7 An example of peripheral equipment
A. CPU
B. spreadsheet
C. printer
D. microcomputer
8 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
9 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU
10 Data is transmitted character by character in
A. Synchronous mode
B. Asynchronous mode
C. Remote communication
D. Satellite mode

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