The leisure centre runs fitness classes - Edexcel - GCSE Computer Science - Question 3 - 2021 - Paper 1
Question 3
The leisure centre runs fitness classes.
(a) This is an algorithm used by instructors to check the Body Mass Index (BMI) of people attending their classes.
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Worked Solution & Example Answer:The leisure centre runs fitness classes - Edexcel - GCSE Computer Science - Question 3 - 2021 - Paper 1
Step 1
Complete the algorithm by filling in the boxes.
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Answer
Function Declaration: Line 4 can be filled with FUNCTION bmiCalc(pMass, pHeight) to specify the parameters for mass and height.
Calculation Return: Line 22 should be filled with SET calc = pMass / (pHeight * pHeight) to correctly calculate BMI using the formula:
ext{BMI} = rac{ ext{mass}}{ ext{height}^2}
Matching Order: Match the parameter names to the variables being used; this is done by ensuring consistent naming throughout the function.
Step 2
State the process being carried out at line 7 of the algorithm.
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Answer
At line 7, the algorithm is executing a loop that iterates through each element in the arrayAttendance. This means it is processing each value of attendance for the fitness classes.
Step 3
Complete the trace table showing the execution of the algorithm with these five values.
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