The leisure centre organises a swimming gala - Edexcel - GCSE Computer Science - Question 7 - 2021 - Paper 1
Question 7
The leisure centre organises a swimming gala. A computer control system is used to manage the swimming races.
The control system consists of a central computer link... show full transcript
Worked Solution & Example Answer:The leisure centre organises a swimming gala - Edexcel - GCSE Computer Science - Question 7 - 2021 - Paper 1
Step 1
Start race / start timer
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Answer
Activate the starter to sound the horn and lights at the beginning of the race. Begin the automatic timer.
Step 2
Check for false start / reference to pressure sensor
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Answer
Monitor the pressure sensors in the starting blocks for any input indicating a false start.
Step 3
Activate recall with suitable output
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Answer
If a false start is detected, activate the recall system, using an appropriate alert such as a sound and light indication.
Step 4
Check for input from sensor at 25m / reference to disqualify
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Answer
At the 25 m mark, check the input from the pressure sensor to ensure all swimmers are still in the race.
Step 5
Check for input from sensor at 50m / finish
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Answer
Upon reaching the 50 m mark, check for input from the final sensor to determine the end of the race.
Step 6
Save result / record time
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Record the final time of each swimmer and save the results to the central computer for further processing.
