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Online Tests
PPSC Computer Science Full Book test MCQs With Answers
Question # 1
A type of core store that has a lower access time than the devices used for working store int he same processor is known as
Choose an answer
Core memory
Buffer
Fast core
Address register
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Question # 2
Which file organization is allowed try a direct access storage device.
Choose an answer
Direct only
Sequential and direct only
Indexed and direct only
Sequential indexed and direct
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Question # 3
The interface used by ASP NET to create Uniue id's
Choose an answer
App domainsetup
System Ul naming contrainer
I as no result
Custom Formatter
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Question # 4
The GIF format is much ............... to be downloaded or uploaded over the www.
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Slower
Faster
Medium
None
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Question # 5
8254 counters can count in the
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Binary
Decimal
Hexadecimal
Both a and b
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Question # 6
f open ($file_doc."r+& rduo opens a file for.
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reading
writing
both above
None
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Question # 7
A character that is raised and smaller above the baseline is known as.
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Outlined
Raised
Superscript
Subscript
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Question # 8
What is gutter margin.
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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 # 9
Who proceed CRC cards
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Booch
Sally shater
Jim Rumbaugh
Writes Brock
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Question # 10
The phase of the system development life cycle in which testing will occurs is.
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Test factor
Authorization
Test phase
Audit trail
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Question # 11
Which of the following replicates the decision making process rather than manipulation of information.
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Management replication system
Management information system
Expert system
Decision support system
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Question # 12
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 # 13
In 1830 Charies Babbages designed a machine called the analytical engine which he showed at the parts exhibition in which year was it exhibited.
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1820
1860
1855
1970
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Question # 14
An association class must be created to store the attributes of a ____ relationship among two other classes.
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One to one
One to many
Many to one
Many to many
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Question # 15
The associativity of ++ operator is
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For arithmetic expression and
For pointer expression
For pointer expression and
For pointer express in and
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Question # 16
The left side of any binary number is called.
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Least significant digit
Most significant digit
Medium significant digit
Low significant digit
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Question # 17
The ALU of a computer responds to the commands coming from
Choose an answer
Primary memory
Control section
External memory
Cache memory
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Question # 18
How many address lines are needed to address each machine location in a 2048 x 4 memory chip.
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10
11
8
12
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Question # 19
Which LINUX command is used to update the modification time of a file.
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UPDATE
MODIFY
TOUCH
UNTOCUH
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Question # 20
By which of following the problem of thrashing is significantly affected.
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Program size
Program structure
Primary storage
Secondary strorage
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Question # 21
Magnetic tape can serve as
Choose an answer
Secondary storage media
Output media
Input Media
All of the above
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Question # 22
Which is the microprocessor comprises.
Choose an answer
Register section
One or more ALU
Control unit
All of these
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Question # 23
Which of the following is not a valid name for a C variable.
Choose an answer
Hairaj
Hello _ raj
Hello raj
None of above
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Question # 24
Which of the following registers is loaded with the contents of the memory location pointed by the PC
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Memory address registers
Instruction registers
Memory data register
Program Counter
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Question # 25
The type of the controlling expression of a switch statement can not be of the type
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Int
Char
Float
Long
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Question # 26
Which of the following would normally form part of a test plan
Choose an answer
frailer process
Incident reports
Risks
Data process
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Question # 27
_______ is the most commonly used cache controller with a number of processor sets.
Choose an answer
L 211 controller
L 210 controller
L 214 controller
None
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Question # 28
The special files of DOS are
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COM
EXE
BATCH
All of these
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Question # 29
The difference between include ( ) and require()
Choose an answer
Are different how they handle failure
Both are same in every aspects
Is include () produced a fatal error while require results in a warning.
None
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Question # 30
What happens when you click on insert >> picture>> clip art
Choose an answer
It inserts a clipart picture into document
It lets you choose clipart to
if opens Clip Art taskbar
None
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Question # 31
Easily relocatable language is
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Machine langage
Assembly language
High Level language
Medium level language
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