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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
The instructions for staring the computer are house on.
Choose an answer
Random access memory
CD Rom
Read only memory chip
All of above
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Question # 2
Microprocessors can be sued to make
Choose an answer
Computer
Digital csystem
Calculators
All of the above
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Question # 3
In which language a source program written.
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English
Symbolic
High level
Temporary
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Question # 4
The number of characters that can be stored in given physicals space it
Choose an answer
Word length
Byte
Data density
Field
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Question # 5
The primary memory of a personals computer consists.
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ROM only
RAM only
Both ROM and RAM
Memory module
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Question # 6
Which of the following code used in present day computing was developed by IBM corporation.
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ASCII
Hollerith Code
Baudot code
EBCDIC Code
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Question # 7
A 32 bit micro processor has the word length equal to.
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2 byte
32 byte
4 byte
8 byte
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Question # 8
A term used to describe interconnected computer configuration is
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Multiprogramming
Modulation
Multiprocessing
Micro program seuence
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Question # 9
Who invented the high level language c.
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Dennis M Ritchie
Niklaus Writh
Seymour papert
Donald Kunth
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Question # 10
Dot-matrix is a type of
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Tape
Printer
Disk
Bus
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Question # 11
CD-ROM is a
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Semiconductor memory
Memory register
Magnetic memory
None of above
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Question # 12
Access time is
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Seek time + latency time
Seek time
Seek time-latency time
Latency time
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Question # 13
Which of the following will happen when data is entered into a memory location.
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It will add to the content of the location
It will change the address of the memory location
It will erase the previous content
It will not be fruitful if there is already some data at the location.
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Question # 14
Which of the following is associated with error detector.
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Odd parity bit
Even parity bit
Both of the above
None of above
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Question # 15
The terminal device that functions as a cash register computer terminal and OCR reader is the
Choose an answer
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
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Question # 16
A computer consists of.
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A central processing unit
A memory
Input and output unit
All of the above
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Question # 17
A disadvantage of the laser printer is
Choose an answer
It is uleter than an impact printer
It is very slow
The output is of a lower uality
None of above
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Question # 18
Condensing output data to exhibit specific information.
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Calculating
Recording
Merging
Summarizing
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Question # 19
Which of the following is used for manufacturing chips.
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Control bus
Control unit
Parity unit
Semiconductor.
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Question # 20
Mnemonic a memory trick is used in which of the following language.
Choose an answer
Machine language
Assembly language
High level language
None of above
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Question # 21
Which of the following magazines covers only the IBM PC and its compatibles.
Choose an answer
Byte
PC magazine
Personal computing
Interface age
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