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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
Which company is the biggest player in the microprocessor industry.
Choose an answer
Motorola
IBM
Intel
AMD
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Question # 2
When did arch rivals IBM and Apple computers in c decide to join hands.
Choose an answer
1978
1984
1990
1991
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Question # 3
Digital computer is a computer.
Choose an answer
That works with discrete quantities.
That works with analog quantities
Botha A and B
None
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Question # 4
What was the name of the first commerciality available microprocessor chip.
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Intel 308
Intel 33
Intel 4004
Motorola 639
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Question # 5
What are the three decisions making operations performed by the ALU of the computer.
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Grater then
Less than
Eual to
All of the above
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Question # 6
EEPROM stand for
Choose an answer
Electrically Erasable programmable read only memory
Eaily Erasable programmable Read only memory
Electronic Erasable programmable read only memory
None of the above
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Question # 7
Which of the following is problem oriented language.
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High level language
Machine language
Assembly language
Low level language
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Question # 8
Any method for controlling access to or use fo memory is known
Choose an answer
Memory map
Memory protection
Memory management
Memory instruction
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Question # 9
What are the three decisions making operations performed by the ALU of a computer.
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Grater than
Less than
Eual to
All of the above
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Question # 10
Computer instructions Witten with the use of English words instead of binary machine code is called.
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Mnemonics
Symbolic code
Gray codes
Opcode
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Question # 11
A compiler is a translating program which
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Translates instruction of a high level language into machine language
Translates entire source program into machine language program
It is not involved in program's execution
All of above
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Question # 12
Which is used for manufactruring chips
Choose an answer
Bus
control unit
Semiconductors
A and b only
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Question # 13
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 # 14
Which of the following is required when more than one person uses a central computer at the same time.
Choose an answer
Terminal
Light pen
Digitizers
Mouse
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Question # 15
Which one of the following characteristics is absent in a computer however sophisticated it may be.
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High speed
Intelligence
Accuracy
Perfect Memory
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Question # 16
Which of the following is an acronym for electronic delay storage automatic calculator.
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UNIVAC
EDSAC
EDVAC
Abacus
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Question # 17
UNIVAC is
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Universal Automatic computer
Universal Array computer
Uniue Atomic computer
Unvalued Automatic computer
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Question # 18
Magnetic disks are the most popular medium for.
Choose an answer
Direct access
Seuential access
Both of above
None of these
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Question # 19
The subject of cybernetics deals with the science of.
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Genetics
Control and communications
Biochemistry
Molecular biology
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Question # 20
Regarding a VDU which statement is more correct.
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It is an output device
it is an input divice
It is a peripheral devices
It is hardware item
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Question # 21
The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately
Choose an answer
10 digits
6 digits
9 digits
All of above
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