Online worksheet ยท 1 of 4
Several parts can work together - 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: library lookup. Input: scanned book code. Processing: find the matching book record. Output: display title and loan status. Stored information: book records. A device name alone does not explain the information's journey. These are invented models, not access to real user records.
Worksheet preview
- What enters the library lookup as input, and what appears as output?
- What processing connects the input to output in this library lookup?
- Draw arrows for this library lookup and label the stored information it uses.
This exercise is included in the free preview. Register free to complete it and download the preview PDFs. No payment is required.
Already registered? Sign in