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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Which is considered a direct entry input device.
Choose an answer
Optical scanner
Mouse and digitizer
Light pen
All of the above
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Question # 2
Hyperlink cannot be
Choose an answer
Special shapes like stars and banners
Drawing objects like rectangles ovals
Pictures
All can be hyperlinks
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Question # 3
When assigning a shortcut key to a symbol you should always try to select a key or key combination that is.
Choose an answer
Unassigned
Located on the ten key pad section of your keyboard
Assigned to another task
from the same font family as the symbol
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Question # 4
One computer that is not considered a portable computer is.
Choose an answer
Minicomputer
A laptop comuter
Micro coputer
All of the above
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Question # 5
SNMP used for.
Choose an answer
Standing message
Net work management
Domain Management
Sending files
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Question # 6
IBM 7000 digital computer.
Choose an answer
Belongs to second generation
Uses VLSI
Employs semiconductor memory
Has modular constructions
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Question # 7
EBCDIC is.
Choose an answer
6 -bit coding system
7-bit coding system
8-bit coding system
9- bit coding system
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Question # 8
How can you quickly reinstate a deleted footer placeholder in master view.
Choose an answer
Create a new slide master
Re apply the footer placeholder
Re apply the slide layout
All of above
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Question # 9
In increase the energy of these slow moving electron and create a bright picture in DUST, the screen is maintained at. a.
Choose an answer
Low positive potential
High negative potential
High positive potential
None
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Question # 10
Which of the field has width 8 bytes.
Choose an answer
Memo
Number
Date/time
Hyper link
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Question # 11
Which protocol is used for browsing website.
Choose an answer
TCP
HTTP
FTP
TFTP
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Question # 12
If two files on same partition point to the same inode structure they are called.
Choose an answer
Soft links
Hard links
Copy links
similar links
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Question # 13
The relationship between a derived class and base class is referred to as.
Choose an answer
Association
Inheritance
Polymorphism
Instantiation
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Question # 14
The _____ ddress of a memory is a 20 bit address for the 8086 microprocessor.
Choose an answer
Physical
Logical
Both a and b
None
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Question # 15
The external device is connected to a pin called the__ pin on the processor chip.
Choose an answer
Interrupt
Transfer
Both
None
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Question # 16
Cyan color is produced when the blue and green are activated
Choose an answer
Eually
Unequally
Both a and b
None
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Question # 17
A common test techniques during component test is.
Choose an answer
Statement and branch testing
Usability testing.
Security testing
Performance testing
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Question # 18
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 # 19
Which process is known for initializing a microcomputer with its OS.
Choose an answer
Cold booting
Boot recording
Booting
Warm booting
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Question # 20
Which is the protocol that provides a consistent naming scheme to identify all web resources.
Choose an answer
United Resource Locator
United Resource Location
Unified Read Locator
Unified Modeling Language
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Question # 21
The digital computer was developed primarnanity in.
Choose an answer
USSR
JAPAN
USA
UK
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Question # 22
The____ is a group of attributes used to identify a single entity instance.
Choose an answer
Candidate key
Concatenated key
Alternate key
Primary key
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Question # 23
Empirical estimation models are typically based on.
Choose an answer
Expert judgment based on past project experiences
Refinement of current project estimation
Regression models derived from historical project data
Estimation of present data
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Question # 24
# define preprocessors command can be used for defining.
Choose an answer
Macros
For loop
Symbolic constants
Both a and c
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Question # 25
The first machine to successfully perform a long series of arithmetic and logical operations was
Choose an answer
ENIAC
Mark 1
Analytic engine
UNIAVAC-1
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Question # 26
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 # 27
In vi editor which command sets the number for all lines.
Choose an answer
Set nu
Set ni
Set sn
Set sl
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Question # 28
In communication satellite multiple repeaters are known as
Choose an answer
Detector
Modulator
Stations
Transponders
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Question # 29
Which of the following UML diagram provides static structure of a system.
Choose an answer
Class diagram
Sequence diagram
State diagram
Activity diagram
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Question # 30
HR stand for.
Choose an answer
Hold request
Hold read
Hold register
Hold resolver
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Question # 31
A kind of serial Dot matrix printer that forms characters with magnetically charged ink sprayed dots is called.
Choose an answer
Laser printer
Ink Jet printer
Drum printer
Chan printer
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