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

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

Question # 2

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

Question # 3

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

Question # 4

The equipment attached to CPU which computer can access are called.

Question # 5

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

Question # 6

The transfer of data from one place to another is called

Question # 7

Internal modem is connected to

Question # 8

A way of physically organizing data on a disk pack to minimize seek time uses.

Question # 9

A pictorial screen symbol that represent a computer activity is called

Question # 10

A device used for optical character recognition is

Question # 11

The mechanism for reading or writing data in a disk is called

Question # 12

The most common storage devices in a computer system are.

Question # 13

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

Question # 14

Word is 16 bits is

Question # 15

Which input device is often attached to laptop computers.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which is not beneficial of secondary storage
A. convenience
B. DAT
C. economy
D. space
2 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track
3 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
4 Data is transmitted character by character in
A. Synchronous mode
B. Asynchronous mode
C. Remote communication
D. Satellite mode
5 The mechanism for reading or writing data in a disk is called
A. track
B. rorational delay
C. access arm
D. seek time
6 If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to
A. CPU
B. disk
C. CRT
D. printer
7 Soft copy refers to.
A. OCR-A
B. screen output
C. microfiche
D. digitizing
8 An arrangement in which data is transmitted in both directions at a time is called
A. Simplex
B. Full duplex
C. Half duplex
D. Multi-duplex
9 A pictorial screen symbol that represent a computer activity is called
A. pointer
B. touch screen
C. miicr
D. icon
10 Another word for printer.
A. monochrome
B. microfiche
C. pixel
D. cursor

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