Class 9 Computer Science · Chapter 1 · Test 1
Excercise Questions
10 MCQs and Short question
20 questions · 15 min · 40 marks
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Sample questions
The first 5 of 20. Try each one, then tap to see the answer.
Question 1
The primary function of a system is:
- ATo work independently
- BTo achieve a common goal
- CTo create new systems
- DTo provide entertainment
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Answer: B
A system is made of interconnected elements working together to achieve a shared objective.
Question 2
One of the fundamental concepts of any system is:
- AIts size
- BIts objective
- CIts age
- DIts price
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Answer: B
Every system must have a predefined purpose or objective to function effectively.
Question 3
An example of a simple system is:
- AA human body
- BA computer network
- CA thermostat regulating temperature
- DThe Internet
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Answer: C
A thermostat is a simple automated feedback system regulating environmental temperature.
Question 4
What are the basic components of a system?
- AUsers, hardware, software
- BObjectives, components, environment, communication
- CInputs, outputs, processes
- DSensors, actuators, controllers
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Answer: B
The structural framework of any system encompasses its goals, constituent elements, surrounding context, and exchange loops.
Question 5
Which of the following describes the Von Neumann architecture's main characteristic?
- ASeparate memory for data and instructions
- BParallel execution of instructions
- CSingle memory store for both program instructions and data
- DMultiple CPUs for different tasks
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Answer: C
The defining feature of Von Neumann architecture is storing program data and instructions in a single physical memory unit.
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