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

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

Question # 3

To concept of using several small disk packs that work together as a unit is.

Question # 4

CD-ROM has the same format as a(n).

Question # 5

Computer output produced as small film images is called

Question # 6

Soft copy refers to

Question # 7

Imaging used what devices to input data?

Question # 8

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

Question # 9

The mechanism for reading or writing data in a disk is called a(n).

Question # 10

Which of the following does not represent an I/O devices?

Question # 11

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

Question # 12

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

Question # 13

Internal modem is connected to

Question # 14

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

Question # 15

A magnetize spot represent

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU
2 A pictorial screen symbol that represents a computer activity is called a(n).
A. pointer
B. touch screen
C. icon
D. MICR
3 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
4 A graph prepared by a computer.
A. Is its output
B. Is the piece of information to user
C. Is a hard copy
D. All of the above
5 A one color screen on a black background is called
A. monochrome
B. addressable
C. blank
D. lcd
6 A bar code reader is an example of a(n).
A. processing device
B. storage device
C. Input device
D. output device
7 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
8 Soft copy refers to
A. OCR-A
B. screen output
C. microfiche
D. digitizing
9 A magnetized spot represents.
A. cpi
B. MB
C. 0 bit
D. 1 bit
10 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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