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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
A compute programmer
Choose an answer
Does all the thinking for a computer
Can enter input data quickly
Can operate all types of computer equipment
Can draw only flowchart
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Question # 2
Binary codes as used in computer sciences are codes made up of witch of the following two numbers.
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0 and 9
1 and 3
0 and 1
9 and 1
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Question # 3
One of the class of storage device devices that can access storage location in any order is.
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DTE
DASID
DDE
DCD
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Question # 4
As computer to diskettes the hard disks are
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More expensive
More portable
Less rigit
Slowly accessed
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Question # 5
Which chips using special external equipment can reprogram
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ROM
PROM
SAM
RAM
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Question # 6
A byte consists of
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One bit
Four bits
Eight bits
Sixteen bits
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Question # 7
Which company is the biggest player in the microprocessor industry.
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Motorola
IBM
Intel
AMD
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Question # 8
The two kinds of main memory are
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Primary and secondary
Radom and Seuential
ROM and RAM
All of above
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Question # 9
Electronic mail system is similar or best suits to
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Postal service
Telephone service
Telegraph service
None
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Question # 10
Computer operator
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Writes computer program for specific problems
Operate the device which input and output data from the computer.
Normally require a college degree in computer science
All of the above
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Question # 11
The memory which is programmed at the time it is manufactured.
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POM
RAM
PROM
EPROM
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Question # 12
IBM 7000 digital computer
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Belongs to second generation
Uses VLSI
Employs memory
Has modular constructions
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Question # 13
The two basic types of record access methods are.
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Seuential and random
Seuential and indexed
Direct and immediate
On-line and real time
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Question # 14
Seek time is
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Time to position the head over proper track
Time to position the head over proper sector
Time to position the head over proper cylinder
None of above
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Question # 15
Which of the following is a way to access secondary memory.
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Random access memory
Action method
Transfer method
Density method
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Question # 16
Hard disk is coated in both side above
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Magnetic metallic oxide
Optical metallic oxide
Carbon layer
All of the above
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Question # 17
Another word for a daisy wheel printer
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Petal printer
Golf ball printer
Laser printer
Line printer
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Question # 18
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance.
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Capacitance keyboard
Mechanical keyboard
Werty key board
Dvorak keyboard
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Question # 19
Human beings are referred to as Homo sapinens which device is called Silico Sapiens.
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Monitor
Hardware
Robot
Computer
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Question # 20
The first firm ot mass market a microcomputer as a personal computer was.
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IBM
Sperry Univac
Data general corporation
Radio shack
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Question # 21
Which of the following is used for manufacturing chips.
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Control bus
Control unit
Parity unit
Semiconductor.
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