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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Which of the following is considered a broad band communication channel.
Choose an answer
Coaxial cable
Fiber optics cable
Microwave circuits
All of above
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Question # 2
As compared to the secondary memory the primary memory of a computer is
Choose an answer
Large
Cheap
Fast
Slow
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Question # 3
Which command is used to skip the rest of a loop and carry on from the top of the loop again.
Choose an answer
Break
Resume
Continue
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Question # 4
To autofit the width of column
Choose an answer
Double click the right border of column
Double click the left border of column
Double click the column header
All above
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Question # 5
Object oriented concepts are not new The first OO language was considered to be
Choose an answer
ALGOL -68
FORTRAN 77
C
SIMULA 67
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Question # 6
The parity bits are used to check that a.
Choose an answer
Two bit error
Single bit error
Multi bit error
None
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Question # 7
Bottom up integration is for the process starting with the ________ modules.
Choose an answer
Unit integration
Terminal
system integration
Project plan
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Question # 8
What are the global locks.
Choose an answer
They synchronize access to local resources.
They synchronize access to global resources
They synchronize access to local and global resources
None of above
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Question # 9
Dot-matrix is a type of
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Tape
Printer
Disk
Bus
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Question # 10
While declaring an array in C as datatype array name [size] the size can be.
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Any constant
An integer constant
Any variable
Any initialized integer variable
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Question # 11
The arranging of data in a logical seuence is called.
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Sorting
Classifying
Reproducing
Summarizing
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Question # 12
Who invented the microprocessor.
Choose an answer
Marcian E Huff
Herman H Goldstein
Joseph jacuard
All of above
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Question # 13
The brightness of each pixel is
Choose an answer
Compatible
In compatible
Both a and b
None
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Question # 14
The NET Fram work provides a runtime environment called.
Choose an answer
RMT
CLR
RC
RCT
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Question # 15
Who developed a mechanical device in the 17th century that could add subtract multiple divided and find sure roots.
Choose an answer
Napiler
Babbage
Pascal
Leibniz
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Question # 16
For which of the following would a static analysis tool be MOST useful.
Choose an answer
Supporting reviews
Validating models of the software
Testing code executed in a special test harness
Enforcement of coding standards
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Question # 17
Which of the following function return 1 when output is successful.
Choose an answer
echo()
Print ()
Both
None
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Question # 18
"tr 1,, tr 2,tr 3" is an example of a
Choose an answer
Formula
Function
Series
Syntax
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Question # 19
Which is not the search engine
Choose an answer
Altavista .com
Google .com
Facebook.com
Yahoo.com
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Question # 20
The processes of starting of restarting a computer system by loading instruction from a secondary storage device into the completer memory is called.
Choose an answer
Duping
Booting
Padding
All of above
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Question # 21
The header file contains the function prototypes to the standard input /output library functions and information used by them.
Choose an answer
<std I/O .h>
<stdio .h>
< stdib.h>
<studio.h>
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Question # 22
Single address computer instruction has two parts.
Choose an answer
The operation code
The operand
A and b
None
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Question # 23
Which statement is valid about magnetic tape.
Choose an answer
It is a plastic ribbon
It is coated on both sides with iron oxide
It can be erased and reused
All of above
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Question # 24
Binary codes as used in computer sciences are codes made up of witch of the following two numbers.
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0 and 9
1 and 3
0 and 1
9 and 1
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Question # 25
How many parts of dedicated register.
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2
4
5
6
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Question # 26
Pressing F8 key for three times selects
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A word
A sentence
A paragraph
Entire document
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Question # 27
To most widely used method for interpreting the bit setting as non negative integer is.
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EBCD system
BCD system
ASCII system
Binary number system
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Question # 28
What is the maximum number of cookies that can be allowed to a web site.
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1
10
20
30
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Question # 29
What is the maximum number of lines you can set for lines to drop box.
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3
5
10
15
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Question # 30
Macintosh computer uses
Choose an answer
System 7.0
AU/X
Xenix
None
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Question # 31
The phase of the system development life cycle in which testing will occurs is.
Choose an answer
Test factor
Authorization
Test phase
Audit trail
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