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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Who is credited with the idea of using punch cards to control patterns in a waving machine.
Choose an answer
Pascal
Jauard
Hollerith
Babbage
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Question # 2
In a COBOL program the input output section is within the .........division
Choose an answer
Indentification
Procedure
Configuration
Environment
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Question # 3
Can you tell what passes into and out from the computer via its ports.
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Data
Bytes
Graphics
Pictures
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Question # 4
Color depth can be defined by ________ which can be displayed on a display unit.
Choose an answer
Bits per pixel
Bytes per pixel
Maga byte per pixel
None
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Question # 5
Which chip used for AD & DA converters in 8086 processor.
Choose an answer
8251
8255
8254
8259
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Question # 6
Who invented the microprocessor.
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Marcian E Huff
Herman H Goldstein
Joseph jacuard
All of above
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Question # 7
Third generation micro processor is dominated by _______ micro processor.
Choose an answer
8 bit
4 bit
16 bit
64 bit
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Question # 8
You can define a constant by using the define () function Once a constant is defined.
Choose an answer
It can never the changed of underdefined
It can never be changed but can be undefined.
It can be changed but can not be undefined
It can be changed and can be undefined
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Question # 9
______ is a black box testing technique appropriate to all levels of testing.
Choose an answer
Acceptance testing
Regression testing
Fulvalene partitioning
Quality assurance
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Question # 10
LCD means
Choose an answer
Liquid crystal display
Liquid chromes data
Liquid crystal data
None
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Question # 11
Which of the following allows multiple request interaction to take place before the connection is closed.
Choose an answer
Persistent connections
Pipelining
Cache validation commands
File walls
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Question # 12
The arranging of data in a logical service is called
Choose an answer
Sorting
Classifying
Reproducing
Summarizing
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Question # 13
Which of the following is used to send email message from my ASP NET page.
Choose an answer
System Web mail Mail message
System Web mail smtp mail
Both A and B
None
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Question # 14
The accelerator is 16bit wide and is called.
Choose an answer
AX
AH
AL
DL
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Question # 15
Who can access Session state variables
Choose an answer
All users of an application
A single session
All users within a single tunnel
None
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Question # 16
Which is the components of microprocessor.
Choose an answer
Register unit
Arithmetic and logical unit
Timing and control unit
All of these
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Question # 17
Which of the following isnot a fact finding technique.
Choose an answer
Third party enquiry
Interview
Questionnaire
Record reviews
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Question # 18
The first microprocessor built by the inter corporation was called.
Choose an answer
8008
8080
4004
8800
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Question # 19
An example of impact deviceis.
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Electrostatic printer
Inkjet printer
Line printer
Laser printer
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Question # 20
Which of 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 # 21
The metal disks, which are permanently housed in sealed and contamination free containers are called.
Choose an answer
Hard Disks
Floppy disk
Winchester disk
Flexible disk
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Question # 22
How many modes in 8254
Choose an answer
2
4
6
8
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Question # 23
The standard I/O is also called.
Choose an answer
isolated I/O
Parallel I/O
Both a and b
None
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Question # 24
The act of acquiring an instruction is referred as the ____ the instruction
Choose an answer
Fetching
Fetch cycle
Botha a and b
None
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Question # 25
How much spave in minimum must be provided between columns.
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0"
0.5"
1.5"
1"
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Question # 26
In HTTPS 'S' is stands for
Choose an answer
Simple
Secured
Server
None
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Question # 27
TIFF are used for
Choose an answer
Vector graphics
Bit map
Both a and b
None
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Question # 28
Regarding a VDU which statement is more correct.
Choose an answer
It is an output device
it is an input divice
It is a peripheral devices
It is hardware item
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Question # 29
A publics key encryption system.
Choose an answer
Allows only the correct sender to decode the data
Allows only the correct receiver to decode the data
Allows any one to decode the data
None of above
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Question # 30
Which of the following correctly access the seventh element stored in foo, an array with 100 elements.
Choose an answer
foo{6}:
Foo {7}:
Foo
Foo():
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Question # 31
A compiler is a translating program which
Choose an answer
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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