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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
The word length of a computer is measured in.
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Bytes
Bits
Millimeters
Meters
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Question # 2
A compared to diskettes the hard disks are.
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More expensive
More portable
Less rigid
Slowly accessed
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Question # 3
In 1830 Charies Babbages designed a machine called the analytical engine which he showed at the parts exhibition in which year was it exhibited.
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1820
1860
1855
1970
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Question # 4
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 # 5
A computer program that translate one program instructions at a time into machine language is called a
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Interpreter
CPU
Compiler
Simulator
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Question # 6
The language that the computer can understand and execute is called.
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Machine language
Application software
System program
All of above
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Question # 7
Which of the following file organization is most efficient for a file wiht a high degree of the activity.
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Seuential
ISAM
VSAM
B-tree index
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Question # 8
Computer professionals working in a computer center are.
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Software
Firmware
Hardware
Humanware
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Question # 9
The digital computer was developed primary in
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USSR
JAPAN
USA
UK
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Question # 10
Which of the following is ture.
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Fields are composed of bytes
Records are composed of fields
Fields are composed of characters
All of above
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Question # 11
The first microprocessor built by the inter corporation was called.
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8008
8080
4004
8800
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Question # 12
The output uality of a printer is measured by
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Dot per inch
Dot per s. inch
Dots printed per unit time
All of above
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Question # 13
Which of the following terms is the most closely related to main memory.
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Non volatile
Permanent
Control unit
Temporary
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Question # 14
Which of the following file organization is most efficient for a file with a high degree of file activity.
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Seuential
ISAM
VSAM
B-Tree index
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Question # 15
Programs designed to perform specific tasks is known as
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System software
Application software
Utility programs
Operating system
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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
EBCDIC is.
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6 -bit coding system
7-bit coding system
8-bit coding system
9- bit coding system
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Question # 18
Which of the following are considered to be video component.
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Resolution
Color depth
Refresh rate
All above
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Question # 19
Which of the following is problem oriented language.
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High level language
Machine language
Assembly language
Low level language
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Question # 20
The time period during which a computer is main functioning or not operating correctly due to machine failures is referred as.
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Downtime
Up time
Run time
None
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Question # 21
An integrated circuit is.
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A complicated circuit
An integrating device
Much costlier than a single transistor
Febricated on a tiny silicon chip
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