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
Begin the race by activating the starter system, which includes sounding the horn and lights.
Step 2
Check for false start / reference to pressure sensor
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Answer
Monitor the pressure sensors in the starting blocks to detect any false starts. If a false start is detected, sound the recall horn and lights.
Step 3
Activate recall with suitable output
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Answer
If a false start is confirmed, activate the recall function to notify the swimmers.
Step 4
Check for input from sensor at 25m / reference to disqualify
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Answer
As the swimmers reach the 25m mark, check the corresponding pressure sensor to ensure the race proceeds without disqualification.
Step 5
Check for input from sensor at 50m / finish
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Answer
When the swimmers reach the 50m mark, use the sensor inputs to determine their finish times.
Step 6
Save result / record time
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Answer
Once the race is complete, save the results and record the finish times of the swimmers.
