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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
For large networks__ topology is used.
Choose an answer
Bus
Star
Ring
None
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Question # 2
Which of the following extends a use case by adding new behaviors or actions.
Choose an answer
An extend relationship
An include relationship
A joint relationship
A merge relationship
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Question # 3
Access time is
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Seek time + latency time
Seek time
Seek time-latency time
Latency time
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Question # 4
Disk scheduling includes decinding
Choose an answer
Which should be accessed next
Order in which disk access requests must be serviced
The physical location of the file
the logical location of the file
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Question # 5
Cohesion is a qualitative indication of the degree to which a module.
Choose an answer
Can be written more compacity
Is connected to other modules and the outside world
Is able to complete the function in a timely manner
None of the above
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Question # 6
The least significant bit of the binary number which is equivalent to any odd decimal number is.
Choose an answer
0
1
1 or 0
3
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Question # 7
Intel Used HMOS technology to recreate _____
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8084 A
8085 A
8086 A
8088 A
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Question # 8
Computer system are interconnected into__________ such taht problems in one can cascade into and affect others.
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Chains of cycles
Cycles of chains
system chains
Chains of system
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Question # 9
How are the growth of SSI technology in.
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1956 on words
1965 on words
1976 on words
1978 on words
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Question # 10
Which of the following is the official way that a system works as described in organizational documentation.
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Formal system
primary system
Working system
Secondary system
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Question # 11
Which latch is mostly used creating memory register.
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SR-Latch
JK- Latch
D-Latch
T-Latch
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Question # 12
Software engineering is the systematic approach to the
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Development of software
Operation of software
Maintenance of softeare
All of the above
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Question # 13
Cost benefit analysis is performed during.
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Analysis phase
Design phase
Feasibility study phase
Implementation phase
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Question # 14
The third stage in Designing A database is when We analyze our tables more closely and create a _________ between tables.
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Relationship
Join
Query
None
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Question # 15
The use of spooler programs and Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress.
Choose an answer
Registered meils
Memory
CPU
Buffer
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Question # 16
What is the number of separate protocol layers at the steric interface gateway specified by the X.25 standard.
Choose an answer
2
3
4
6
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Question # 17
You can open the sort dialog box by choosing sort from the .....menu.
Choose an answer
view
Format
Tools
Data
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Question # 18
L1 cache memory is places at
Choose an answer
On processor
On mother board
On memory
All of these
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Question # 19
Which control supports paging
Choose an answer
Repeater
Data grid
Both
None
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Question # 20
Easily relocatable language is
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Machine langage
Assembly language
High Level language
Medium level language
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Question # 21
The process of starting a or restoring a computer system by loading instructions from a secondary storage device into the computer memory is called
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Duping
Booting
Padding
CPS
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Question # 22
When did IBM released the first version of its disk operating system DOS version 1.0
Choose an answer
1981
1982
1983
1984
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Question # 23
Hybrid testing is
Choose an answer
Combination of one or more testing techniques
Combination of top town and bottom up testing
More testing techniques
Independent testing
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Question # 24
Which is the professional or Business version of intel processor.
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Pentium II
Pentium pro
Pentium MMX
Pentium Xeon
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Question # 25
in which phase of the SDLC is the system proposal developed.
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Analysis
Design
Implementation
Planning
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Question # 26
The size of the IPv4 is
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16 bits
32 bits
64 bits
128 bits
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Question # 27
In 3-tier computing the request protocol between the clients and web servers is.
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NNTP
SMTP
HTTP
MOM
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Question # 28
What was the name of the first commerciality available microprocessor chip.
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Intel 308
Intel 33
Intel 4004
Motorola 639
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Question # 29
To provide clarity in case of the status register_________ and __ placeholders are displayed.
Choose an answer
Binary
Hexadecimal
Both
None
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Question # 30
Which language can support SOAP.
Choose an answer
VB
JAVA
COBAL
All above
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Question # 31
The digital computer was developed primarnanity in.
Choose an answer
USSR
JAPAN
USA
UK
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