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Online Tests
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
White box testing is.
Choose an answer
Same as glass box testing
Same as clear box testing
Both a and b
Boundary testing
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Question # 3
Who is not involved in joint application development who uses workshop with the following personnel.
Choose an answer
System owners
System designers
System operators
System users
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Question # 4
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 # 5
RATS stand for
Choose an answer
Regression analysis time series
Regression analyses time sharing
Real Analysis series
All of above
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Question # 6
Which of the following printing devices an output composed of a series of data.
Choose an answer
Wire matrix printer
Brand Pinter
Wang image printer
Both a and C
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Question # 7
How do we delete update select data in a Data set.
Choose an answer
Using Sl data adapter
Using Sl data reader
Using Sl command
None
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Question # 8
Which statement is false about WR signal
Choose an answer
WR signal controls the input buffer
the bar over Wr means that this is an active low signal
the bar over WR means that this is an active high signal
If WR is 0 then the input data reaches the latch input.
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Question # 9
Which function includes the specified file even the statement evaluates to false in which block the function is placed.
Choose an answer
Include ()
require (0
Both of above
None
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Question # 10
Which of the following memories needs refershing.
Choose an answer
SRAM
DRAM
ROM
All of above
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Question # 11
Technique are used to complete specific system development activities the following development activities. The following are some example fo the techniques except.
Choose an answer
Project Planning
Business functions
System construction and implementation.
system support
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Question # 12
Which of the following represents a person or place of thing about which some information is gathered.
Choose an answer
Entity
Attribute
Data store
Data flow
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Question # 13
______ is a shorthand representation of music stored in numeric form.
Choose an answer
Digital audio
MIDI
Audio Resolution
LPC
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Question # 14
ASCII stand for.
Choose an answer
American stable code for international interchange
American standard case for institutional interchange
American Standard code for information Interchange
American Standard Code for interchange information
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Question # 15
String concatenating means.
Choose an answer
Combining two strings.
Extracting a substring out of a string.
Merging two strings.
Comparing the two string to define the larger one.
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Question # 16
Which of the following statements about component testing is not true.
Choose an answer
It should be performed by development
It is also know as isolation or module testing
It should have completion criteria planned
It does not involve regression testing.
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Question # 17
IBM 7000 digital computer
Choose an answer
Belongs to second generation
Uses VLSI
Employs memory
Has modular constructions
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Question # 18
It is helpful in preparing for the test of conducting the test.
Choose an answer
Summary
Milestones
Testing
References
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Question # 19
Data base access levels are specified so as to define who can access what ina data base it is identified through.
Choose an answer
User ID
Passwords
Status
None
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Question # 20
Before a sdisk cna be used to store data it must be.
Choose an answer
Formatted
Reformatted
Addressed
None
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Question # 21
MICR stand for.
Choose an answer
Megnetic ink character reader
Magnetic ink code reader
Magnetic ink cases Reader
None
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Question # 22
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 # 23
What is gutter margin.
Choose an answer
Margin that is added to the left margin when printing.
Margin that a added to the binding side of page when printing
Margin that a added to right margin when printing.
Margin that is added to the outside of the page when printng.
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Question # 24
________ refers to the number of subordinate modules controlled by a calling module.
Choose an answer
span of control
Coupling
Cohesion
Integration
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Question # 25
Memory protection is normally done by
Choose an answer
The processor and the associated hardware
The operating system
The compiler
The user program
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Question # 26
A semiconductor memory which allows the eraser of the information started in it so that new information can be stared in it is referred as.
Choose an answer
EPROM
ROM
RAM
None
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Question # 27
Which is the limitation of high level language.
Choose an answer
Lower efficiency
Machine dependence
Machine level coding
None of above
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Question # 28
Why si Global asax is used.
Choose an answer
Implement application and session level events.
Declare Global variables
Both A and B
None
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Question # 29
The types of projection are
Choose an answer
Parallel projection and perspective projection
Perpendicular and perspective projection
Parallel projection and perpendicular projection
None
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Question # 30
WAN stand for
Choose an answer
Wap Area Network
Wide Area Network
Wide Array Net
Wireless Area Network
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Question # 31
Diagnostic routines is a.
Choose an answer
Programs used to print error messages
Indicates system problems and improper program instructions
Both A and B are true
None
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