ECAT Pre Computer Science MCQ Test For Computer Chapter 3 With Answer

MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

Try The 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 device used for optical character recognition is

Question # 2

Computer output produced as small film images is called

Question # 3

A magnetized spot represents

Question # 4

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

Question # 5

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

Question # 6

Imaging used what device to input data.?

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

All of the following are Guided Communication media except

Question # 11

DASD refers to

Question # 12

A set raw, unprocessed facts, figures and symbols is called

Question # 13

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

Question # 14

The disk storage that uses both a magnet and laser beam.

Question # 15

Data is transmitted character by character in

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Microwave and Communication Satellite are example of
A. Guided
B. Un-guided
C. Simplex
D. Router
2 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
3 The cursor can be moved rolling this device on a flat surface.
A. mouse
B. wand reader
C. trackball
D. interactive tablet
4 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
5 DASD refers to
A. disk storage
B. track
C. tape storage
D. sorting
6 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
7 To send data, instruction and information you need a
A. Sending device
B. Receiving device
C. Channel device
D. Communication signal
8 The ability to return a change disk record to its original location is called
A. magneto optical
B. rotational delay
C. updating in place
D. multimedia
9 To concept of using several small disk packs that work together as a unit is.
A. CD-ROM
B. RAID
C. WORM
D. OMR
10 A one color screen on a black background is called
A. monochrome
B. addressable
C. blank
D. lcd

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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