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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
When was Apple Macintosh it micro computer introduced in the market.
Choose an answer
1964
1970
1983
1986
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Question # 2
In system design and development field what does spaghetti code mean.
Choose an answer
Programs witted in unstructured languages.
Well structured and weld documented code
Program code that has many GOTO statements.
Both b and c above
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Question # 3
UML Graphical notations can be used not only to describe the system's components but also to describe a model itself this is known sa.
Choose an answer
Model
Stereotypes
Model dependency
Meta model
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Question # 4
The time period during which a computer is main functioning or not operating correctly due to machine failures is referred as.
Choose an answer
Downtime
Up time
Run time
None
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Question # 5
What is the central device in star topology.
Choose an answer
STP server
Hub
PDC
Router
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Question # 6
Which command changes a files group owner
Choose an answer
chmod
chgrp
chown
chgrep
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Question # 7
Identify the concept of blending colors along the edges of letters to create gentle effect.
Choose an answer
Ant aliasing
Morphing
Kerning
Leading
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Question # 8
A examples of medium speed switched communications service is
Choose an answer
Series 1000
Data phone 50
DDD
All of above
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Question # 9
The best testing is done in available time using.
Choose an answer
No limit to fix for time
Test priority
You do more effective testing
Finding more faults
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Question # 10
A developer wanted to achieve graphics in his display using ASP NET Which of the following web controls are available in ASP NET to achieve the above.
Choose an answer
Ad rotator
Link button
Both A and B
None
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Question # 11
How many bit of instruction on our simple computer consist of one
Choose an answer
2-bit
6-bit
12-bit
None
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Question # 12
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 # 13
Application prototyping follows an organized process or steps that begins with.
Choose an answer
Use protype
Review prototype
Develop working model
Identify known requirements
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Question # 14
Two dimensional color model are
Choose an answer
RGB and CMKY
RBG and CYMK
RGB and CMYK
None
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Question # 15
Which of the following is a LOOP statement of a C language.
Choose an answer
Repeat until
For
While -Do
Do-while
Both b and d above
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Question # 16
User programmable terminals that combine VOT hardware with built in microprocessor is
Choose an answer
Kips
PC
Mainframe
Intelligent terminals
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Question # 17
The UML _____ diagram provides a variety of symbols and encompasses a number of ideas all to model the changes which just one object goes through.
Choose an answer
Package
Object
State
Class
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Question # 18
Which command in LINUX is used for description any command.
Choose an answer
Help
Man
Detail
Short detail
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Question # 19
Over working team members and poor product quality are negative possibilities if
Choose an answer
Quality requirements are not met
Due to customer complaints and late product.
Poor quality
Termination
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Question # 20
The method which uses array of dots for generating a character is called.
Choose an answer
Stoke method
Bitmap method
Star dust method
None
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Question # 21
The two basic types of record access methods are.
Choose an answer
Seuential and random
Seuential and indexed
Direct and immediate
On-line and real time
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Question # 22
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 # 23
Which register is connected to the memory by way of the address bus.
Choose an answer
MAR
MDR
SAM
None
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Question # 24
Which of the following line spacing in invalid
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Single
Double
Triple
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Question # 25
The capacity of 3,5 inch floppy disk is.
Choose an answer
1.40 MB
1.44 MB
1.40 GB
1.44 GB
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Question # 26
Total cost of all project efforts definition applies to the
Choose an answer
Left over product
Cost of quality
Customer satisfaction
Redoing entire project
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Question # 27
The testing of software without the knowledge of source code is called.
Choose an answer
White box testing
Black box testing.
Gary box testing
Blue box tesing
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Question # 28
Client certificate is a collection of
Choose an answer
Server
Response
Collection
Request
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Question # 29
if the CPU scheduling policy is FCFS then what would be average waiting time.
Choose an answer
10 ms
10.8 ms
12 ms
12.8 ms
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Question # 30
_________ identifies functionality of the system based on user requirements.
Choose an answer
Software architect
system analyst
Designer
Taster
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Question # 31
What is the name of the computer terminal which gives paper printout.
Choose an answer
Display screen
Soft copy terminal
Hard copy terminal
Plotter
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