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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Direct mapping is a _____________ to implement cache memory
Choose an answer
Cheaper way
Case way
Cache way
None
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Question # 2
Which is signal user operating system.
Choose an answer
MS-DOS
UNIX
XENIX
LINUX
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Question # 3
Which of the following is secondary memory device.
Choose an answer
Keyboard
Disk
ALU
All of above
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Question # 4
Higher the number of pixels.... the image quality
Choose an answer
Bad
Better
Smaller
None
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Question # 5
Who built the world's first electronic calculator using telephone relays. light bulb and batteries.
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Claude Shannon
Konrard Zues
George stibits
Howard H Aiken
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Question # 6
if the CPU scheduling policy is FCFS then what would be average waiting time.
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10 ms
10.8 ms
12 ms
12.8 ms
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Question # 7
Identify the test release, which is typically for internal circulation only
Choose an answer
Beta Release
Gamma Release
Alpha Release
Sigma Release
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Question # 8
Types of computer graphics are.
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Vector and raster
Scalar and raster
Vector and scalar
None
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Question # 9
What is the extension of Word files.
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FIL
DOT
DOC
TXT
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Question # 10
When uploading a file if the UPLOAD_ERR-OK contains value 0 it means.
Choose an answer
Upload is not successful error occurred
The file uploaded with success
Uploaded file size is 0
File upload progress is 0% completed
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Question # 11
What is a quick way to extend these numbers to a longer sequence for instance 1 through 20
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Select both cells and then drag the fill handle over the range you want for instance 18 more rows.
Select the range you want include both cells point to till on the edit menu, and then click down.
Copy the second cell click in the cell below it on the standard toolbar click the down arrow on the paste button and than click paste special
All above
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Question # 12
Which of the following replicates the decision making process rather than manipulates information.
Choose an answer
Management replication system
Management information system
Expert system
Decision support system
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Question # 13
Which of the following is not a basic step in creating a worksheet.
Choose an answer
Save the workbook
Modify the worksheet
Enter text and data
Copy the worksheet
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Question # 14
An inaccurate estimate particularity in estimating effort can force developers to compromises
Choose an answer
Softwear level
Software status
Software report
software quality
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Question # 15
The time taken by the ADC from the active edge of SOC pulse till the active edge of EOC signal is called.
Choose an answer
Conversion over
Conversion delay
Conversion signal
None
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Question # 16
An example of digital rather than analog communication is
Choose an answer
DDD
DDS
DDT
WATS
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Question # 17
A small button with three dots usually displayed at the right of field properties box.
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Make button
Expression button
Build button
None
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Question # 18
Programs designed to perform specific tasks is known as
Choose an answer
System software
Application software
Utility programs
Operating system
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Question # 19
How many micro processor in the market during the same period.
Choose an answer
3
5
6
8
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Question # 20
Which of the following function calculates the square of 'X' in C.
Choose an answer
sr (X)
Pow (2,X)
Pow(X,2)
None of above
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Question # 21
Which is the great importance's in modular programming
Choose an answer
Stack segment
Array segment
Queue segment
All of these
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Question # 22
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 # 23
Who provide us internet.
Choose an answer
TCP
ISP
FTP
HTP
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Question # 24
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 # 25
Which of the following language cna be used to write server side scripting in ASP NET.
Choose an answer
C#
C
Visual Basic
None
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Question # 26
A risk is a condition that can result in a.
Choose an answer
System
Loss
Technique
gain
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Question # 27
What does the VLOOKUP function do.
Choose an answer
Looks up text that contain
Checks whether text is the same in one cell as in the next
Finds related records
All of above
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Question # 28
The requirement phase is the most cost effective phase in which to detect a.
Choose an answer
Program flow
Design flow
Data flow
System flow
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Question # 29
You can open the Highlight changes dialog box by choosing track changes from the menu.
Choose an answer
Edit
Insert
Format
Tools
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Question # 30
Which technology using the microprocessor is fabricated on single chip
Choose an answer
POS
MOS
ALU
ABM
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Question # 31
A simple way of looking at the spiral software life cycle model is as a waterfall model with each phase proceeded by.
Choose an answer
Build and fix
Freezing
synchronization
risk analysis
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