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 that inputs data by scanning letters and number is a

Question # 2

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

Question # 3

A one color screen on a black background is called

Question # 4

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

Question # 5

Word is 16 bits is

Question # 6

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

Question # 7

Assigning more sector to outer hard disk is called

Question # 8

The ___________ is the physical path over which a message travels.

Question # 9

The equipment attached to CPU which computer can access are called

Question # 10

An arrangement in which data is transmitted in both directions at a time is called

Question # 11

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

Question # 12

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

Question # 13

The most common storage devices in a computer system are.

Question # 14

A magnetized spot represents.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
2 A digital computer system consists of a central processing unit (CPU) interfaced with.
A. input devices
B. auxilary storage
C. output devices
D. all of the above
3 To send data, instruction and information you need a
A. Sending device
B. Receiving device
C. Channel device
D. Communication signal
4 A pictorial screen symbol that represent a computer activity is called
A. pointer
B. touch screen
C. miicr
D. icon
5 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
6 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
7 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
8 The disk storage that use both magnet and laser beam
A. hashing
B. magneto optical
C. CD-ROM
D. WORM
9 The CRT technology with the best resolution.
A. MICR
B. VGA
C. SVGA
D. LCD
10 Which of the following cable is comprised of two separate insulated copper wires that are twisted?
A. Fiber optics
B. Twisted pair wire
C. coax
D. Submarine

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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