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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
the loss in signal power as light travels donw the fiber is called.
Choose an answer
Attenuation
Progragation
scathering
Interruption
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Question # 2
The sweep representation of an object refers to the
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2 D representation
3 D representation
Both a and b
None
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Question # 3
They were fabricated using a low powered version of the HMOS technology called.
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HSMOS
HCMOS
HSSOM
None
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Question # 4
Which is the small amount of highs speed memory used to work directly with the microprocessor
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Cache
Case
Cost
Coos
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Question # 5
If a control switch is passed as an argument this is an example of _______ coupling
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Content
Common
Control
Data
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Question # 6
The system calls in UNIX is written using which language.
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Java
C
C++
Assembly
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Question # 7
In latest generation computers the instructions are executed.
Choose an answer
Parallel only
Seuentially only
Both sequentially and parallel
All of above
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Question # 8
What is XATMI.
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Remote procedure call interface
Peer to peer conversational interface
Message -oriented interface
system oriented interface
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Question # 9
A subclass inherits is parents is.
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Attribute links
Attributes, operations
Attributes, operations, relationships
Methods links
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Question # 10
Which of the following is a form of functional testing.
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Boundary value analysis
Usability testing
Performance testing
Security testing
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Question # 11
Software testing accounts to what percent of software development costs.
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10-20
40-50
70-80
5-10
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Question # 12
A disk storage medium in the form of an assembly containing a single rigid magnetic disk permanently is
Choose an answer
Fixe disk
Disk cartridge
Card punch
Card reader
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Question # 13
In latest generation computers, the instructions are executed
Choose an answer
Parallel only
Seuentially only
Both Seuentially and Parallel
All of above
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Question # 14
What are of control pins are needed in a microprocessor to regulate traffic on the bus in order to prevent two devices from trying to use it at the same time.
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Bus control
Bus arbitration
Interrupts
Status
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Question # 15
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 # 16
Accumulator based microprocessor example are.
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Intel 8085
Motorola 6809
A and B
None
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Question # 17
Which is directly understood by the computer without translation program.
Choose an answer
Machine language
Assembly language
High level language
None of above
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Question # 18
Which of the following does not affect the resolution of a video display image.
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Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
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Question # 19
CRT means
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Common ray tube
Cathode ray tube
Commercial ray tube
None
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Question # 20
A computer program that translates one program instructions at a time into machine language is called a
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Interpreter
CPU
Compiler
Simulator
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Question # 21
What is the output of the above program.
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5
8
Runtime error
Syntax error
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Question # 22
In a COBOL program the input output section is within the .........division
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Indentification
Procedure
Configuration
Environment
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Question # 23
Which are the part of architecture of 8086
Choose an answer
The bus interface unit
The execution unit
Both a and b
None
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Question # 24
PHP is widely used ____ scriting language that is especially suited for web development and can be embedded into html.
Choose an answer
Open source general purpose
Proprietary general purpose
Open source special purpose
Proprietary special purpose
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Question # 25
A computer program that translate one program instructions at a time into machine language is called a
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Interpreter
CPU
Compiler
Simulator
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Question # 26
Printer in the file structure can be found in.
Choose an answer
/etc
/html
/www
/dev
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Question # 27
Which was the world's first minicomputer and when was it introduced.
Choose an answer
POP -1 1958
IBM System /36l, 1960
POP-II 1961
VAX 11/780 , 1962
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Question # 28
successful _________ necessitates a portfolio of web based testing tools.
Choose an answer
Web based testing
Integrate
Factor
Unit testing
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Question # 29
An important benefit of ___ is that they enable the code to be tested before the execution environment is ready.
Choose an answer
Code inspections
Authors
Inexperienced staff
Moderators
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Question # 30
Gridines
Choose an answer
May be turned off for display but turned on for printing.
May be turned on or off for printing
The be turned off for display and printing.
a, b and c
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Question # 31
Hardware that creates sound from a mathematical representation.
Choose an answer
Sound synthesizer
Stampers
Speaker
Sons
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