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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
How many stages has fetch execute cycle.
Choose an answer
3
4
5
6
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Question # 2
Which chip is used for analogue to digital converter.
Choose an answer
0809
0808
Both a and b
None
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Question # 3
Which is not the main feature of DEC alpha
Choose an answer
64 bit RISC processor
Designed to replace 32 VAX
Seven stage split integer point pipeline
Variable instruction length
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Question # 4
Computer graphics was first used by
Choose an answer
William fetter in 1960
James fetter in 1969
James gosling in 1991
J0hn Taylor in 1980
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Question # 5
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 # 6
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 # 7
Which is not used in context level diagram.
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Source
Destination
Data flow
Data store
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Question # 8
Which of the following are not parts of the system they represent anyone or anything that must interact with the system.
Choose an answer
Use cases
Actors
Components
Classess
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Question # 9
Which of the following is not true for a magnetic tape
Choose an answer
It is expensive relative to magnetic tape
it provides only sequential access to stored data.
Users can easily update records by writing over the old data
All of above
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Question # 10
IPX/SPX used for
Choose an answer
Linux
Unix
Novel Netware
Windows
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Question # 11
An input /output device at which data enters or leaves a computer systemis.
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Keyboard
Terminal
Printer
Plotter
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Question # 12
The main issue in documentation during the___ phase is to determine what the system must do.
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Analysis
Design
Implementation
Coding
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Question # 13
You can quickly change the appearance of your work by choosing Auto format from the Menu.
Choose an answer
Edit
Format
View
Tools
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Question # 14
The style of messaging remote procedure call is.
Choose an answer
Queued
Not Queued
Call return
Waited
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Question # 15
Which of some of popular processor.
Choose an answer
Motorola 6800 and 6809
Intel 8085
Zilog Z 80
All above
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Question # 16
OTM stand for
Choose an answer
Morph in between CORBA and ORB
Morph in between TP monitor and ORB
Morph in between client side components and CRB
Morph in between TP monitor and client side components.
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Question # 17
RDP server runs on
Choose an answer
Computers
Switches
Routers
Servers
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Question # 18
Which scheduling policy is most suitable for time shared operating system.
Choose an answer
Shortest job first
FCFS
LCFS
Round robin
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Question # 19
Which one is used to interoperate the client and server objects written in different langauges.
Choose an answer
Interface definition language
Object request broker
Application program interface
DBMS
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Question # 20
Borders can be applied to
Choose an answer
Cells
Paragraph
Text
All above
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Question # 21
Any CRT based display must be refreshing at least __ time a second
Choose an answer
20
30
10
40
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Question # 22
Which one of the following will declare a pointer to an integer at address 0 x 200 in memory.
Choose an answer
int " x, " x = 0 x 200;
int " x, = & 0 x 200;
int " x, = "0 x 200;
int " x, = 0 x 200
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Question # 23
Which technique hides the internal implementation detail of an object from its external view.
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Incorporation
Polymorphic
Encapsulation
Persistence
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Question # 24
What is the maximum font size you can apply for any character
Choose an answer
163
1638
16038
None
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Question # 25
The structure of the stack is _______ type structure.
Choose an answer
First in last out
Last in last out
Both a and b
None
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Question # 26
Which among the following is not an activity of requirement determination
Choose an answer
Requirement anticipation
Requirement investigation
Requirement Specification
Requirement Gathering
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Question # 27
8254 programmable timer counter has two inputs signals.
Choose an answer
CLK
Gate
Both a and b
None
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Question # 28
MOS stand for.
Choose an answer
Metal oxides semiconductor
Memory oxide semiconductor.
a and b
None
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Question # 29
Which of the following is called low level languages.
Choose an answer
Machine language
Assembly language
Both of the above
None of these
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Question # 30
LRB stand for
Choose an answer
Line ready buffers
Line root buffers
Line read buffers
Line right buffers
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Question # 31
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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