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 bar code reader is an example of a(n).

Question # 2

The encoding scheme of data represent as

Question # 3

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

Question # 4

The transfer of data from one place to another is called

Question # 5

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

Question # 6

Computer output produced as small film images is called

Question # 7

A hard disk can be backed up efficiently using.

Question # 8

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

Question # 9

Soft copy refers to

Question # 10

A color screen with the best resolution

Question # 11

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

Question # 12

Imaging used what devices to input data?

Question # 13

Which input device is often attached to laptop computers:

Question # 14

The CRT technology with the best resolution.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Voice input device convert voice input to
A. digital code
B. OCR-A
C. bar codes
D. optical marks
2 The ability to return a changed disk record to its original location is called.
A. magneto-optical
B. rotational delay
C. multimedia
D. updating in place
3 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
4 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
5 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
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 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
8 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
9 A color screen with the best resolution has the most.
A. CRT
B. VGA
C. COM
D. pixel
10 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

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