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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
A three dimensional graphics has
Choose an answer
Two axes
Three axes
Both a and b
None
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Question # 2
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 # 3
What is the responsibility of the logical unit in the CPU of a computer.
Choose an answer
To produce result
To compare numbers
To control flow of information
To do math's works
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Question # 4
Avalanche photodiode receivers can detect bits of transmitted data by receiving.
Choose an answer
100 photons
200 photons
2000 photons
300 photons
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Question # 5
___ is the technique used to determine that the solution solves the problem.
Choose an answer
Data
Validity
Testing
Problem
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Question # 6
Who invented the microprocessor.
Choose an answer
Marcian E Huff
Herman H Goldstein
Joseph jacuard
All of above
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Question # 7
In which scheduling policies context switching never takes place
Choose an answer
FCFS
Round robin
Shortest job first
Pre empitive
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Question # 8
Which media is available for providing computer based output.
Choose an answer
MICR
OCR
Punched cards
COM
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Question # 9
___________ a sub system that transfer data between computer components inside a computer or between computer.
Choose an answer
Chip
Register
Bus
processor
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Question # 10
Which among the following tools can set software parameters and fine tune software systems such as relational data bases or operating systems.
Choose an answer
Performance monitoring and trending tools
Inventory management tools
Application performance monitoring tools
Configuration management tools
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Question # 11
How many types of classification of processor based on register section.
Choose an answer
1
2
3
4
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Question # 12
Floppy disks are available in
Choose an answer
Single side single density
Single side double density
Both of above
None
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Question # 13
Formatting a cell in number format you can't set.
Choose an answer
Decimal places
Currency symbol
Both of above
None of above
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Question # 14
Which of the following represent a built in extensibility mechanism of the UML.
Choose an answer
Note
meta model
Stereotype
Class
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Question # 15
Which of the following is a purpose of the review planning phase.
Choose an answer
Log defects
Explain he documents to the participants
Gather metrics
Allocate the individual roles
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Question # 16
A memory that is capable of determining whether a given datum is contained in one of its address is
Choose an answer
ROM
PROM
CAM
RAM
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Question # 17
The aim of software engineering is to produce software that is.
Choose an answer
Fauit free
Delivered on time
Delivered with budget
Satisfies users needs
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Question # 18
URL stand for
Choose an answer
Universal Resources locator
Uniform Resource Locator
Uniform Radio Locator
None
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Question # 19
Who invented the high level language c.
Choose an answer
Dennis M Ritchie
Niklaus Writh
Seymour papert
Donald Kunth
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Question # 20
Which of the following is a combination of data and logic that represents some real world entity.
Choose an answer
Relationship
Object
Attributes
Method
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Question # 21
To display disk consumption of a specific directory which command is used.
Choose an answer
dd
du
dt
di
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Question # 22
What term described a back ground that appears as a grainy non smooth surface.
Choose an answer
Gradient
Pattern
Solid
Texture
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Question # 23
Automated tools can be used during.
Choose an answer
SR phase
Spiral phase
Base phase
Design and coding phase
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Question # 24
Which of the following information systems are aimed at improving the routing business activities on which all organization depend.
Choose an answer
Management information system
Decision support systems
Transaction processing systems
Management support system
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Question # 25
Re location bits used by relocating loader are a pacified by
Choose an answer
Relocating loader
Assembler
Translator
Linker
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Question # 26
Macintosh computer uses
Choose an answer
System 7.0
AU/X
Xenix
None
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Question # 27
Casting operator introduced in PHP 6 IS.
Choose an answer
(array)
(in 64)
(real) or (double) or (float)
(object)
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Question # 28
An IBM system 38 represents the computer class of.
Choose an answer
Small scale computer
Medium scale computer
Large scale computer
Super computer
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Question # 29
INTR it implies the ___ signal
Choose an answer
Interrupt request
Interrupt Right
Interrupt Rough
interrupt Reset
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Question # 30
The distance of a line from the projection plane determines.
Choose an answer
Its size on projection plane
Its length on projection plane
Its width on projection plane
Its height on projection plane
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Question # 31
Which function will you use to enter current time in a worksheet cell.
Choose an answer
= today()
=now()
= time()
= current time()
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