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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Which activity in the fundamental test process creators test suites for efficient test execution.
Choose an answer
Implementation and execution
Planning and control
Analysis and design
Test closure
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Question # 2
_______________ consists of objects with which the user interacts as well as the objects needed to manage.
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Business layer
View layer
Physical layer
Access layer
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Question # 3
To read the formatted input data from a file, which of the following function is used.
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Getchar ()
fgets()
fscanf ()
scanf()
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Question # 4
The types of projection are
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Parallel projection and perspective projection
Perpendicular and perspective projection
Parallel projection and perpendicular projection
None
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Question # 5
One dis advantage of a direct access file is.
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The delay in computing the storage address.
Duplication of address locations
Unsued, but available, storage locations.
All of above
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Question # 6
Most of the inexpensive personal computer does not have any disk of diskette drive. What is the name of such computes.
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Home computers
Diskless comuters
dedicated computer
General computer
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Question # 7
Which flag are used to record specific characteristics of arithmetic and logical instructions.
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The stack
The stand
The status
The queue
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Question # 8
The upper 8 bit are called.
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BH
AH
BL
DL
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Question # 9
Which of the following is not an input device.
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OCR
Optical scanners
Voice recognition device
COM
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Question # 10
A hardware device which is capable of executing a sequence of instructions, is known as.
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CPU
ALU
CU
Processor
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Question # 11
The getchar () library function
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Returns a character when any key is pressed
Return multiple characters when the keys are pressed
Return multiple characters when the key are pressed followed by enter key
Return a single character when the keys are passed followed by enter key
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Question # 12
Effective testing will reduce ________ cost.
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Maintenance
Documentation
Design
Coding
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Question # 13
Instructions and memory address are represented by.
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Character code
Binary codes
Binary word
Parity bit
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Question # 14
A group of magnetic lapse, videos or terminal usually under the control of one master is.
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Cylinder
Surface
Track
Cluster
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Question # 15
What term refers to a specific set of values saved with the workbook.
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Range
Scenario
Trend line
What if analysis
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Question # 16
The hardware devices contain
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Color printer/black white printer
Plotters
Both a and b
None
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Question # 17
Which of the following is not a transmission medium.
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Telephone lines
Coaxial cables
Modem
Micro wave systems
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Question # 18
Which of the following is a type of abstraction.
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Data
Procedural
Iteration
All of the above
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Question # 19
The____________ is undertaken to solve a business problem.
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Testing
Requirements phase
Inventory
account
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Question # 20
The octal equivalent of 111010 is
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81
72
71
None
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Question # 21
The symbol represents
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Aggregation
Generalization
Dependency
Association
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Question # 22
IBM 7000 digital computer.
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Belongs to second generation
Uses VLSI
Employs semiconductor memory
Has modular constructions
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Question # 23
What do you call when the elements of a module all operate on the same data.
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Functional cohesion
Temporal cohesion
Communicational cohesion
Coincidental cohesion
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Question # 24
Which is the microprocessor launched by Rock well international.
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RPS-4
RPS-8
RPS-8
All of these
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Question # 25
Diagnostic routines is a.
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Programs used to print error messages
Indicates system problems and improper program instructions
Both A and B are true
None
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Question # 26
Which register is a temporary storage location.
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General purpose register
Dedicated register
A and B
None
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Question # 27
Which command is used to set terminal input output characteristics
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Atty
stty
dtty
itty
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Question # 28
Which objects is used to create foreign key between tables.
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Data relation
Data Relationship
Data constraint
Data key
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Question # 29
FAT server is a server which
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Is connected to number of clients
Has file allocation table
Place more functions on the server
Has low processing power
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Question # 30
What are the major activities of the spiral model of software engineering.
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Planning Risk analysis, engineering customer evaluation
Defining, prototyping, testing delivery
Requirements
Testing
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Question # 31
The left associative dot operator (0 is used in PHP for.
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Multiplication
Concatenation
Separate object and its member
Delimeter
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