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Computer Systems and Architecture
Quick questions on Input, output and peripherals explained: O-Level Computing
8short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are input devices?Show answer
An input device sends data into the computer. The user (or the environment) provides data, and the device turns it into a form the computer can process.
What are output devices?Show answer
An output device takes data out of the computer and presents it to the user.
What are storage devices?Show answer
A storage device keeps data so it can be saved or moved.
What is the input-process-output model?Show answer
The input-process-output (IPO) model describes how a computer system works:
What is choosing a suitable device?Show answer
The right device depends on the task: a microphone suits voice input, a scanner suits copying documents, a printer suits a paper copy, and a sensor suits automatic readings. Matching device to task is a common exam skill.
What is q1?Show answer
Classify a scanner and a pair of speakers as input or output devices. [2 marks]
What is q2?Show answer
State the three stages of the input-process-output model. [3 marks]
What is q3?Show answer
Give a suitable input device for measuring temperature automatically. [1 mark]