Online worksheet ยท 4 of 4

Physical components need instructions - Online practice 4

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Fictional school lunch kiosk: a touchscreen displays choices and detects taps. A learner enters a meal choice. Stored software processes that choice and displays a order summary. Only fictional entries are used. Hardware is physical equipment; software supplies instructions. A device may perform more than one input/output function.

Worksheet preview

  1. Name an input and an output in the school lunch kiosk.
  2. Why can the school lunch kiosk's touchscreen belong to both input and output categories?
  3. Could the school lunch kiosk's screen glass alone decide the order summary? Explain what is missing.

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