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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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Total Questions15
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Time Allowed15
ECAT Computer Science Chapter 3 The Peripheral Devices
00:00
Question # 1
The mechanism for reading or writing data in a disk is called
Question # 2
The disk storage that uses both a magnet and laser beam.
Question # 3
Which input device is often attached to laptop computers.
Question # 4
A device used for optical-character recognition is a.
Question # 5
Shift of register by one bit to left in binary code is equivalent to
Question # 6
DASD refers to
Question # 7
All of the following are Guided Communication media except
Question # 8
In a computer system, which of the following has largest number of mechanical components and thus most unreliable.
Question # 9
A storage medium which can not support both direct access and sequential access application is
Question # 10
A color screen with the best resolution
Question # 11
Which of the following does not support I/O devices
Question # 12
Voice input devices convert voice input to.
Question # 13
Data is transmitted character by character in
Question # 14
DASD refers to.
Question # 15
To most commonly used output device today is a.
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A ali moid 19 - Jul - 2024 00 Min 44 Sec 60/60 -
H Husain Abbas 20 - Dec - 2024 00 Min 59 Sec 60/60 -
A Amna Naz 16 - Nov - 2024 01 Min 12 Sec 60/60 -
R RONIN 06 - Jul - 2024 01 Min 32 Sec 60/60 -
M Maham Mehar 17 - Jul - 2024 01 Min 46 Sec 60/60 -
A Abdullah Baloch 26 - Jul - 2024 02 Min 40 Sec 60/60 -
S Sughra Haider 20 - Sep - 2024 02 Min 32 Sec 55/60 -
K Khizra Ahsan 06 - Jul - 2024 07 Min 19 Sec 55/60 -
N Nitalaya Hassan 30 - Dec - 2024 02 Min 42 Sec 50/60 -
A Ahmad Khan 14 - Aug - 2024 03 Min 57 Sec 50/60 -
M mannanbutt 07 - Jul - 2024 04 Min 22 Sec 50/60 -
H Hamza Haider 18 - Jul - 2024 04 Min 36 Sec 50/60 -
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R Rubina Naz 17 - Jul - 2024 02 Min 07 Sec 45/60 -
T talha gamer 09 - Dec - 2025 15 Min 47 Sec 44/60
ECAT Computer Sciences Chapter 3 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | DASD refers to |
A. disk storage
B. track
C. tape storage
D. sorting
|
| 2 | Computer output produced as small film images is called. |
A. OCR
B. COM
C. LCD
D. OMR
|
| 3 | The major disadvantage of magnetic tape is |
A. cost
B. unreliability of store data
C. slow data recording
D. data is accessed sequentially
|
| 4 | CD-ROM has the same format as |
A. DAT
B. diskette
C. audio compact disk
D. backup tape
|
| 5 | A magnetized spot represents. |
A. cpi
B. MB
C. 0 bit
D. 1 bit
|
| 6 | Frequency is measured in |
A. Channels
B. Hertz
C. Bandwidth
D. Baud
|
| 7 | Assigning more sector to outer hard disk is called |
A. zone recording
B. randomizing
C. sectoring
D. data transfer
|
| 8 | A one-color screen on a black background is called. |
A. monochrome
B. addressable
C. blank
D. liquid crystal display
|
| 9 | 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
|
| 10 | Which input device is often attached to laptop computers. |
A. trackball
B. inscriber
C. graphics display
D. wand reader
|
Test Questions