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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Personal computer become powerful doing the late
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1960
1980
1970
1950
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Question # 2
Which one of the following is not a form of Decision Table.
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Limited entry
Extended entry
Mixed entry
Double entry
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Question # 3
An important benefit of ___ is that they enable the code to be tested before the execution environment is ready.
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Code inspections
Authors
Inexperienced staff
Moderators
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Question # 4
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 # 5
Inc case of direct mapped cache lower order line address bits are used the access the
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RAM
ROM
Directory
HDD
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Question # 6
Which command gives the first byte where the difference is in the file 1 & file2
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Diff
differ
Cmp
Compare
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Question # 7
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 # 8
Which of the following register is used to keep track of address of the memory location where the next instruction is located.
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Memory address register
Memory data register
Instruction register
Program counter
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Question # 9
Which of the following is not a worksheet design criterion.
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Efficiency
Auditability
Description
Clarity
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Question # 10
The relationship between a derived class and base class is referred to as.
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Association
Inheritance
Polymorphism
Instantiation
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Question # 11
How many OSI layers are covered in the X-25 standart.
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Two
Three
Seven
Six
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Question # 12
The word length of a computer is measured in.
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Bytes
Bits
Millimeters
Meters
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Question # 13
Second generation ____________________?
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1974-1976
1974-1978
1974-1972
None
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Question # 14
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 # 15
How many bit microprocessor developed by intel.
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4 bit
8 bit
32 bit
64 bit
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Question # 16
Maintenance releases and technical assistance centers are examples of which of the following costs of quality.
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External failure
Internal failure
Appraisal
Prevention
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Question # 17
The requirement phase is the most cost effective phase in which to detect a.
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Program flow
Design flow
Data flow
System flow
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Question # 18
A protocol is a set of rules governing a time sequence of events that must take place.
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Between peers
Between an interface
Between moderns
Across an interface
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Question # 19
The select all of the boxes of an organization chart.
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Clicking and edit and select at.
Right click the chart background and then click select all
Press and hold the SHIFT key and click each box
All of above
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Question # 20
Which of the following is MOST important in the selection of a test approach.
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Availability of tools to support the proposed techniques
The budget allowed for training in proposed techniques
Available skills and experience in the proposed techniques
The willingness of the test team to learn new techniques
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Question # 21
Reference bit is used for
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Implementing LRU page replacement algorithm
Implementing NRU algorithm
To check the page table entry in the cache memory
None of above
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Question # 22
How many generation of microprocessor.
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Three
Four
Five
Six
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Question # 23
A disk storage medium in the form of an assembly containing a single rigid magnetic disk permanently is
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Fixe disk
Disk cartridge
Card punch
Card reader
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Question # 24
The address of the starting element of an array is.
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Represented by subscripted variable of the starting element.
Represented by the array name
Not used by the compiler
Represented by the size of the array
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Question # 25
Which of the following is internet standard protocol for e-mail retrieval is.
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TCP/IP
IMAP
LDAP
SMTP
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Question # 26
Which of the following is a secondary memory device.
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Key board
Disk
ALU
All of above
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Question # 27
Which is the following is called low level language.
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Machine language
Assembly language
Both of above
None
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Question # 28
ASP NET separates the HTML output from program logic using a feature named as.
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Exception
Code behind
Code front
None
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Question # 29
Which is the microprocessor. launched by national semiconductor.
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IMP-4
IMP-8
IMP-6
IMP-7
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Question # 30
In table design view what are the first column of buttons used for
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Indicate primary key
Indicate current row
Both of above
None
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Question # 31
Which of the following does not affect the resolution of a video display image
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Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
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