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Online Tests
Computer Science 9th Class English Medium Online Test MCQs With Answers
Question # 1
11
10
is an example of .....number
Choose an answer
Binary
Decimal
Hexadecimal
Octal
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Question # 2
double Precisionuse ....bits?
Choose an answer
64
62
None of these
32
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Question # 3
1 GB = (1,024) MB or............bytes.
Choose an answer
(1,024)
5
bytes
(1,024)KB or (1,024)
2
8
(1,024)
3
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Question # 4
What type of environment remins unchanged unless the system provides an output.
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Dynamic
Static
Deterministic
Non-deterministic
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Question # 5
Which of the following is an example of a Natural system.
Choose an answer
Banking System
Human Circulatory system
Transporation System
Computer System
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Question # 6
Single Precision use.....bits?
Choose an answer
30
31
32
None of these
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Question # 7
Which numer system has base 16 ?
Choose an answer
Hexa decimal
Decimal
Octal
Binary
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Question # 8
BIT Stand for?
Choose an answer
Binary Digit
Binary Integer
Binary Terms
Binary Value
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Question # 9
What dos "version control" in software development refer to?
Choose an answer
testing software before release
Writing the intial code for a software system
Managing changes to source code over time
Monitoring system uptime and performace
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Question # 10
What is the dual of Booean expression A.0=0?
Choose an answer
A+1=1
A + 0 = A
A. 1 = A
A.O = 0
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Question # 11
Whihc signals are in discree form?
Choose an answer
Analog
Digital
Both a and b
None of these
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Question # 12
What is the decmimal equivalent of the binary number 1101?
Choose an answer
13
11
12
14
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Question # 13
Which of the following is a potential risk of not backing up data.?
Choose an answer
Data loss due to hardware failure or malware attack
Increased system performance
Faster sytem boot times
Improved file accessibility
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