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Computer Science 9th Class English Medium Online Test MCQs With Answers
Question # 1
Extended ASCII includes....................characters?
Choose an answer
64
256
128
None of these
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Question # 2
OR operation yields 1 output when at least of........of the input is true.
Choose an answer
0
00
1
10
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Question # 3
The term "middleware" in software system refers to.
Choose an answer
Software theat bridges communication between systems
Tools for debgging software
User facing applicaions
Backend databases
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Question # 4
Which systemss involve substances and their Interactions?
Choose an answer
Artificial
Chemical
Psychological
Biological
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Question # 5
What is the main disadvantage of the Von Neumann architecture.
Choose an answer
High cost of components.
Difficulty in executing machine language instructions
Limited data strorage capacity
Bottleneck due to shared memory access for instructions and data
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Question # 6
What is the ain advantage of cloud based backups over local backups?
Choose an answer
the ar efree of cost
The require no internent connection
They provide offisite data storae and disaster recovery
They increase disk space n local drives
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Question # 7
Pixel Stands for?
Choose an answer
Picture Identitiy
Picture Element
Picture Digit
None of these
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Question # 8
Which of the following is NOT an example of an artificial system?
Choose an answer
Solar system
Traffic control system
Automated billing system
Railway reservation system
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Question # 9
A Number system is the system for representation of ..............data.
Choose an answer
Truth
Boolean
Value
Numeric
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Question # 10
What are the tiny dots that make up an image called?
Choose an answer
Pixels
Bits
Bytes
Nodes
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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
Whcih one of the example of Digital Signal?
Choose an answer
Binary
Sound Wave
11
00
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Question # 13
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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