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

Frequency is measured in

Question # 2

A one color screen on a black background is called

Question # 3

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

Question # 4

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

Question # 5

Communication between a computer and keyboard involes __________ transmission.

Question # 6

A set raw, unprocessed facts, figures and symbols is called

Question # 7

Laser beam technology is used for.

Question # 8

Following devices are used in simplex mode

Question # 9

The equipment attached to CPU which computer can access are called

Question # 10

A magnetized spot represents.

Question # 11

Assigning more sector to outer hard disk is called

Question # 12

The major disadvantage of magnetic tapes is.

Question # 13

Internal modem is connected to

Question # 14

The cursor can be moved rolling this device on a flat surface.

Question # 15

The voice channel has a bandwidth of

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The CRT technology with the best resolution.
A. MICR
B. VGA
C. SVGA
D. LCD
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 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
5 Computer output produced as small film images is called
A. OCR
B. OMR
C. COM
D. LCD
6 Records stored on a Direct Access storage device.
A. must be read in a specific order
B. must be read in groups
C. must be read directly
D. must be read sequentially or directly
7 A magnetize spot represent
A. CPI
B. MB
C. 0 bit
D. 1 bit
8 The mechanism for reading or writing data in a disk is called
A. track
B. rorational delay
C. access arm
D. seek time
9 Imaging used what devices to input data?
A. scanner
B. barcode reader
C. icon
D. tablet
10 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay

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