Online worksheet ยท 1 of 4
What happens between input and output? - Online practice 1
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
System model: calculator. Input: pressing 7 + 5. Processing: adding the two numbers. Output: 12 displayed on screen. A device may have several inputs and outputs; this card follows one route. Use the written model, not real private data or changes to a device's settings.
Worksheet preview
- What supplies input to the calculator in this model?
- Distinguish the processing and output of this calculator.
- Does seeing or hearing the calculator output alone prove the result has been saved permanently?
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