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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
The information is transferred from the ________ and_______ specified register.
Choose an answer
MDR
CPU
Both a and b
None
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Question # 2
One computer that is not considered a portable computer is.
Choose an answer
Minicomputer
A laptop comuter
Micro coputer
All of the above
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Question # 3
In PHP string data are
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Delimited by single uote
Delimited by double uoto
Delimited by <<< identifier
All of above
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Question # 4
The lower red curvy arrow show that CPU places the address extracted from the memory location on the.
Choose an answer
Address bus
System bus
Control bus
Data bus
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Question # 5
Which are the four categories of registers.
Choose an answer
General purpose register
Pointer or index registers
Segment registers
All of these
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Question # 6
Name of the fields field type and size
Choose an answer
Tables with fields and relationships between tables
Criteria
Sorting check boxes
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Question # 7
A variable $word is set to "HELLO WORLD" which of the following script returns in title case.
Choose an answer
Echo uc words ($word)
Echo uc words (strtolower ($word)
Echo uc first ($word)
None of above
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Question # 8
Identify the invalid identifier
Choose an answer
my -function
size
-some word
This & That
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Question # 9
Which of the following is a benefit of test independence.
Choose an answer
It does not require familiarity with the code
It is cheaper than using developers to tet their own code
It avoids author bias in defining effective tests
Testers are better at finding defects than developers
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Question # 10
Which of the following focus on output and processing logic.
Choose an answer
Data models
Data oriented approach
system development approach
Information models
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Question # 11
The identified software problems that most commonly cause._______ by automated decision making applications.
Choose an answer
Bad decisions
Good decisions
Fault
Auto decision making
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Question # 12
EBCDIC can code up to how many different charcters.
Choose an answer
256
16
32
64
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Question # 13
What type of memory is not directly addressable by the CPU and requires special software called EMS specification.
Choose an answer
Extended
Expanded
Base
Conventional
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Question # 14
Which is the part of Data Link layer.
Choose an answer
LLC
MAC
Both a and b
None
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Question # 15
The concept is _______ is important in both design of and testing.
Choose an answer
Helpful
Fit
Better
degree
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Question # 16
Parallel port can not connect
Choose an answer
Printers
Scanners
Telephones
Monitors
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Question # 17
The transformation in which the size of an object can be modified in x -direction , y -direction and z- direction.
Choose an answer
Translation
Scaling
Rotation
All of these
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Question # 18
The main issue in documentation during the___ phase is to determine what the system must do.
Choose an answer
Analysis
Design
Implementation
Coding
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Question # 19
MIDI stand for.
Choose an answer
Musical instrument digital interface.
Musical instrument digital instructions.
MP3 instrument digital interface
Musical instrument design interface
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Question # 20
Concept that are held in common between the traditional approach and the object oriented approach include.
Choose an answer
Processes' and objects
Processes and messages
Things and events
Events and messages
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Question # 21
What is the difference between testing software developed by contractor outside your country versus testing software developed by a contractor within your country.
Choose an answer
Does not meet people needs
Cultural difference
Loss of control over reallocation of resources
Relinquishments of control
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Question # 22
Which among the following tools can set software parameters and fine tune software systems such as relational data bases or operating systems.
Choose an answer
Performance monitoring and trending tools
Inventory management tools
Application performance monitoring tools
Configuration management tools
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Question # 23
They were fabricated using a low powered version of the HMOS technology called.
Choose an answer
HSMOS
HCMOS
HSSOM
None
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Question # 24
Raster graphics are composes of
Choose an answer
Pixels
Paths
Palette
None
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Question # 25
8254 counters can count in the
Choose an answer
Binary
Decimal
Hexadecimal
Both a and b
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Question # 26
The proper definition of a modern digital computer is.
Choose an answer
An electronic automated machine that can solve problems involving words and numbers
A more sophistic and modified electronic pocket calculator
Any machine that can perform mathmatics operations
A machine that works on binary code
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Question # 27
A function with no definition
Choose an answer
I san invalid function
Produces syntax error
Result into runtime error
Is allowed and is known as dummy function
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Question # 28
When assigning a shortcut key to a symbol you should always try to select a key or key combination that is.
Choose an answer
Unassigned
Located on the ten key pad section of your keyboard
Assigned to another task
from the same font family as the symbol
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Question # 29
A________ is lead by the author where an inspection is lead by a
Choose an answer
Inspector
Reader
Inspector reader
Author, trained moderator
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Question # 30
Which protocol is used for browsing website.
Choose an answer
TCP
HTTP
FTP
TFTP
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Question # 31
Which of the following is not a quality characteristic listed in ISO 9126 standard.
Choose an answer
Functionality
Usability
Supportability
Maintainability
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