Class 9 Computer Science · Chapter 3 · Test 2
MCQs Tes 1
18 MCQs
18 questions · 20 min · 18 marks
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Sample questions
The first 5 of 18. Try each one, then tap to see the answer.
Question 1
A group of computers connected together is called ______.
- ATopology
- BNetwork
- CChatting
- DWeb
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Answer: B
A network is a group of computers and other devices connected together to communicate and share resources.
Question 2
The process of exchanging data between sending and receiving devices is called:
- AData processing
- BData computing
- CData communication
- DData sequencing
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Answer: C
Data communication is the exchange of data between a sender and a receiver through a communication medium.
Question 3
The basic components of a data communication are ______.
- A2
- B3
- C5
- D6
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Answer: C
A basic data communication system has five components: sender receiver message transmission medium and protocol.
Question 4
All of the following are components of a data communication system EXCEPT:
- AProtocol
- BVoltage
- CSender
- DReceiver
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Answer: B
Sender receiver message transmission medium and protocol are components of data communication. Voltage is not one of these basic components.
Question 5
Which of the following is an important networking device?
- AMonitor
- BSwitch
- CPrinter
- DKeyboard
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Answer: B
A switch is a networking device used to connect devices within a network and forward data to the intended device.
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