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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
Which computer memory is used for string programs and data currently being processed by the CPU.
Choose an answer
PROM
Mass memory
Internal memory
Non volatile memory
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Question # 2
The first Electronic computer in the world was
Choose an answer
UNIVAC
EDVAC
ENIAC
All of above
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Question # 3
Which is considered a direct entry input device.
Choose an answer
Optical scanner
Mouse and digitizer
Light pen
All of the above
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Question # 4
Actual data processing operations are performed in the arithmetic logic section but not in the storage section of a processor unit.
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Primary
Accumulator
Buffer
Secondary
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Question # 5
A term associated with the companion of processing speeds of different computer system is.
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EFTS
MPG
CFPS
MIPS
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Question # 6
A modern electronic computer is a machine that is meant for
Choose an answer
Doing uick mathematical calculations
Input storage manipulation and outputting of data
Electronic data processing
Performing repetitive tasks accurately
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Question # 7
ALU is
Choose an answer
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
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Question # 8
A group of magnetic lapse, videos or terminal usually under the control of one master is.
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Cylinder
Surface
Track
Cluster
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Question # 9
Which of the following is used as a primary storage device.
Choose an answer
Magnetic drum
Prom
Floppy
All of above
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Question # 10
Storage capacity of magnetic disk depends on
Choose an answer
Tracks per inch of surface
Bit per inch of tracks
Disk pack in disk surface
All of above
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Question # 11
The first firm to mass-market a microcomputer as a personal computer was
Choose an answer
IBM
Super UNIVAC
Radio Shaks
Data general Corporation
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Question # 12
A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point.
Choose an answer
Facsimile (FAX)
Telephone
Photocopier
None
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Question # 13
When was the world's first laptop computer introduced in the market and by whom.
Choose an answer
Hawieltt-Packard
Epson 1981
Laplink traveling software in 1982
Tandy model 2000 ,1985
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Question # 14
Which is the following devices can be sued to directly image printed text.
Choose an answer
OCR
OMR
MICR
All of above
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Question # 15
Instructions and memory address are represented by.
Choose an answer
Character code
Binary codes
Binary word
Parity bit
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Question # 16
Which of the following require large computers memory.
Choose an answer
Imaging
Graphics
Voice
All above
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Question # 17
Which of the following memories must be refreshed many times per second.
Choose an answer
Static RAM
Dynamic RAM
EPROM
ROM
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Question # 18
An integrated circuit is.
Choose an answer
A complicated circuit
An integrating device
Much costlier than a single transistor
Febricated on a tiny silicon chip
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Question # 19
The advantage of COM are its and
Choose an answer
Compact size speed readability
Compact size speed
Readability speed
Low cost readability
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Question # 20
The brain of any computer system is
Choose an answer
ALU
Memory
CPU
Control unit
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Question # 21
Each model of a computer has a unique.
Choose an answer
Assembly of a computer
Machine language
High level language
All of the above
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