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

Laser beam technology is used for

Question # 2

Data transmission speed of wire pair is

Question # 3

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

Question # 4

To send data, instruction and information you need a

Question # 5

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

Question # 6

The major disadvantage of magnetic tapes is.

Question # 7

A pictorial screen symbol that represent a computer activity is called

Question # 8

A digital computer system consists of a central processing unit interfaced with

Question # 9

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

Question # 10

A graph prepared by a computer.

Question # 11

The encoding scheme of data represent as

Question # 12

The time required for the access arm to get into position over a particular track is

Question # 13

Internal modem is connected to

Question # 14

Data is transmitted character by character in

Question # 15

The CRT technology with the best resolution.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
2 Shift of register by one bit to left in binary code is equivalent to
A. addition of 2
B. subtraction of 2
C. division by 2
D. multiplication by 2
3 Assigning more sector to outer hard disk is called
A. data transfer
B. randomizing
C. sectoring
D. zone recording
4 Shift of a register by one bit to left in binary code is equivalent to.
A. addition of 2
B. subtraction of 2
C. division by 2
D. multiplication by 2
5 A device used for optical character recognition is
A. wand reader
B. light pen
C. mouse
D. micr reader
6 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay
7 Internal modem is connected to
A. DCE cable
B. RJ 45 cable
C. RS 232 serial port
D. DTE cable
8 The most commonly used character code/s transmission is/are
A. EBCDIC
B. ASCII
C. both EBCDIC and ASCII
D. nethier EBCDIC and ASCII
9 The most common storage devices in a computer system are.
A. printers and monitors
B. disk drives and printer
C. disk drives and tape derives
D. tape drives and keyboards
10 Data us transmitted block by block in
A. Asynchronous mode
B. Synchronous mode
C. Communication mode
D. Satellite mode

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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