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Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
In most IBM PCs the CPU the device drives memory expansion slots and active components are mounted on a single board What is the name of this board.
Choose an answer
Mother board
Breadboard
Daughter board
Grandmother board
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Question # 2
The brain of any computer system is
Choose an answer
ALU
Memory
CPU
Control unit
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Question # 3
Daisy wheel printer is a type of.
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Matrix primer
Impact printer
Laser printer
Manual printer
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Question # 4
The ALU of a computer responds to the commands coming from
Choose an answer
Primary memory
Control section
External memory
Cache memory
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Question # 5
EBCDIC can code up to how many different charcters.
Choose an answer
256
16
32
64
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Question # 6
Microprocessors can be sued to make
Choose an answer
Computer
Digital csystem
Calculators
All of the above
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Question # 7
Perforated paper used as input of output media is known as.
Choose an answer
Paper tapes
Magnetic tape
Punched papers taps
Card punch
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Question # 8
RATS stand for
Choose an answer
Regression analysis time series
Regression analyses time sharing
Real Analysis series
All of above
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Question # 9
Which is considered a direct entry input device.
Choose an answer
Optical scanner
Mouse and digitizer
Light pen
All of the above
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Question # 10
A term used to describe interconnected computer configuration is
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Multiprogramming
Modulation
Multiprocessing
Micro program seuence
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Question # 11
What is the name of the display feature that highlights are of the screen which requires operator attention.
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Pixel
Reverse video
Touch screen
Cursor
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Question # 12
Which is the type of memory for information that does not change on our computer.
Choose an answer
RAM
ROM
EROM
RAM
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Question # 13
An IBM system 38 represents the computer class of.
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Small scale computer
Medium scale computer
Large scale computer
Super computer
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Question # 14
The act of retrieving existing data from memory is called.
Choose an answer
Read out
Read from
Read
All of above
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Question # 15
Floppy disk which are made from flexible plastic material are also called.
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Hard disks
High density disks
Diskettes
Templates
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Question # 16
A dumb terminal has
Choose an answer
An embedded microprocessor
Extensive memory
Independent processing
A keyboard and screen
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Question # 17
The first firm ot mass market a microcomputer as a personal computer was.
Choose an answer
IBM
Sperry Univac
Data general corporation
Radio shack
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Question # 18
The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle How many numbers could it store in its internal memory.
Choose an answer
100
20
40
80
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Question # 19
A Factor which would strongly influence a business person to adopt a computer is its.
Choose an answer
Accuracy
Rellability
Speed
All above
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Question # 20
Which is the limitation of high level language.
Choose an answer
Lower efficiency
Machine dependence
Machine level coding
None of above
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Question # 21
Which of the following is not a primary storage device.
Choose an answer
Magnetic tape
Magnetic disk
Optical disk
None of above
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