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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Validation is used to test the software in which mode.
Choose an answer
Process mode
Executable mode
Test mode
Primary mode
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Question # 2
Which diagram depicts a pattern of messages coming into and going from an object.
Choose an answer
Collaboration diagram
Sequence diagram
Class diagram
Object diagram
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Question # 3
It is necessary to declare the type of the function in the calling program if.
Choose an answer
The function return an integer
The function retern an integer
Function returning only the float values
The function return a non integer value.
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Question # 4
For integer data type PHP 6 introduced.
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8 bit integer value
16 bit integer value
32 bit integer value
64 bit integer value
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Question # 5
Which are the part of architecture of 8086
Choose an answer
The bus interface unit
The execution unit
Both a and b
None
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Question # 6
X.25 is an example of ________ network.
Choose an answer
Circuit switched
Packet switched
Both a and b
None
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Question # 7
How can you make the selected character superscripted.
Choose an answer
Ctrl + =
Ctrl + Shift + =
Alt + Ctrl + Shift + =
None
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Question # 8
Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.
Choose an answer
Buffer cache
Spooling
Pooling
Virtual memory
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Question # 9
Which of the following is not a type or relationship that can be applied in Access data base.
Choose an answer
One to one
One to many
Many to Many
All of above
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Question # 10
The origin of computer graphics was developed in.
Choose an answer
1950
1960
1970
1990
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Question # 11
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 # 12
Layer one of the OSI model is
Choose an answer
Physical layer
Link layer
Transport layer
Network layer
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Question # 13
Which of the following is not a traditional method of collecting system requirements.
Choose an answer
Interviewing
Red
Observations
Document analysis
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Question # 14
Which of the lowest layer of TCP/IP model
Choose an answer
Host to Host layer
Net work Access layers
Internet layer
Application layer
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Question # 15
The address of the starting element of an array is.
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Represented by subscripted variable of the starting element.
Represented by the array name
Not used by the compiler
Represented by the size of the array
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Question # 16
What does Ctrl + = key effect.
Choose an answer
Supercript
Subscript
All caps
Shadow
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Question # 17
The user of data on paths through the code is.
Choose an answer
Possible communications bottleneck's in a program
The rate of change of data values as a program executes
Data flow analysis
The intrinsic complexity of the code
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Question # 18
A dumb terminal has
Choose an answer
An embedded microprocessor
Extensive memory
Independent processing
A keyboard and screen
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Question # 19
The name box
Choose an answer
Show the location of the previously active cell
Appears the left of the formula bar
Appears below the status bar
Appears below the menu bar
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Question # 20
Which box specification is not associated with cleanroom approach.
Choose an answer
Black box
Clear box
State box
While box
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Question # 21
PC stand for
Choose an answer
Program counter
Points counter
Paragraph counter
Paint counter
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Question # 22
Which of the following function key activates the speller.
Choose an answer
F5
F7
F9
Shift + F7
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Question # 23
Eight of the register are known as.
Choose an answer
General purpose register
Pointer or index registers
Segment registers
All of theses
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Question # 24
How applications communicates with kernel.
Choose an answer
Not disclosed by linux team
SSL
System calls
Shell
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Question # 25
Which is the following devices can be sued to directly image printed text.
Choose an answer
OCR
OMR
MICR
All of above
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Question # 26
The terminal device that functions as a cash register computer terminal and OCR redter is the
Choose an answer
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
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Question # 27
Easily relocatable language is
Choose an answer
Machine langage
Assembly language
High Level language
Medium level language
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Question # 28
Find teh output of the following program
void main (){
int i = ' hello";
print f (i):
}
Choose an answer
Syntax error
Runtime error
h
Hello
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Question # 29
ISO stand for
Choose an answer
International Standard organization
International Student organization
International services organization
None
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Question # 30
Which of the following is a form of functional testing.
Choose an answer
Boundary value analysis
Usability testing
Performance testing
Security testing
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Question # 31
System bus contains
Choose an answer
Address bus
Data bus
Control bus
All of these
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