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PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Computer professionals working in a computer center are.
Choose an answer
Software
Firmware
Hardware
Humanware
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Question # 2
Total cost of all project efforts definition applies to the
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Left over product
Cost of quality
Customer satisfaction
Redoing entire project
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Question # 3
Secondary memory can store.
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Program store code
Compiler
Operating system
All of these
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Question # 4
When working in the page break preview you can
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View exactly where each page break occurs
Add or remover page breaks
Change the print area
All of above
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Question # 5
The central processing unit CPU consists of
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Input output and processing.
Control unit primary storage and secondary stroage
Central unit arithmetic logic unit and primary storage
Control unit processing and primary storage
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Question # 6
The DMA controllers are special hardware embedded into the chip in modern integrate processor that __________ and ________ to the system.
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Data transfer
Arbitrate access
Both a and b
None
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Question # 7
Which data communication method is used to transmit the data over a serial communication link.
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Simplex
Half duplex
Full duplex
None
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Question # 8
To active the previous cell in a pre selected range press.
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The Alt key
The tab key
The Enter key
None of above
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Question # 9
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 # 10
Any method for controlling access to or use fo memory is known
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Memory map
Memory protection
Memory management
Memory instruction
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Question # 11
In 1977 which corporation introduce an updated version of the 8080- the 8085
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Motorola
Intel
National
Rock well
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Question # 12
RISC stand for.
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Reduced instruction set computer
Reduced instruct set compare
Reduce instruction stand computer
All of these
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Question # 13
Which among the following measures how strongly the elements within a module are related.
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Coupling
cohesion
Aggregation
Abstraction
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Question # 14
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 # 15
Which is the microprocessor launched by Motorola corporation introduced.
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Mc6800
8080
IMP-8
RPS-8
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Question # 16
An integrated circuit is
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A complicated circuit
An integrating device
Much costtier tha an single trnasistor
Fabricated on a tiny silicon chip
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Question # 17
On a PC how much memory is available to application software.
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1024 KB
640 KB
560 KB
760 KB
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Question # 18
What do you call when two modules are coupled, when they communicate via a composite data item.
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content coupling
Common coupling
Data coupling
Stamp coupling
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Question # 19
A Factor which would strongly influence a business person to adopt a computer is its.
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Accuracy
Rellability
Speed
All above
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Question # 20
Which team defines the process of project compliance with policies and procedures.
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Quality control
Quality assurances
Quality audits
Quality control management
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Question # 21
The graphics can be
Choose an answer
Drawing
Photograph, movies
Simulation
All of these
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Question # 22
Which used to generate accurate time delays and can be used for other timing application such as a real time clock an event counter a digital one shot a square wave generator and a complex wave form generator.
Choose an answer
8251 programmable timer
8255 programmable timer
8254 programmable timer
8259 programmable timer
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Question # 23
Who invented the high level language c.
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Dennis M Ritchie
Niklaus Writh
Seymour papert
Donald Kunth
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Question # 24
What is the maximum number of lines you can set for a drop cap.
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3
10
15
20
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Question # 25
Regarding a VDU which statement is more correct.
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It is an output device
it is an input divice
It is a peripheral devices
It is hardware item
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Question # 26
What it is called to present information in a particular order based on numeric or alphabetical value.
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Sorting
Searching
Arranging
cropping
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Question # 27
Which of the following is not a system conversion strategy.
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Direct changeover
Parallel conversion
Deferred conversion
Phase in conversion
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Question # 28
Which memory read or I/O read are active data is to the procesor.
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Input
Out put
Processor
None
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Question # 29
In increase the energy of these slow moving electron and create a bright picture in DUST, the screen is maintained at. a.
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Low positive potential
High negative potential
High positive potential
None
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Question # 30
Name of the fields field type and size
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Tables with fields and relationships between tables
Criteria
Sorting check boxes
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Question # 31
What is a portion of a document in which you set certain page formatting options.
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Page
Document
Section
Page setup
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