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Programming fundamentals

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Question 8

A 3D printing bureau calculates the total cost of a print run by multiplying the duration of the print job in hours by a rate of £6.80 per hour, and then adding a flat setup fee of £12.50.

A program is written to allow a technician to enter the print duration in hours as a whole number between 2 and 24, then calculate and output the total cost.

01  h = 0
02  cost = 0.0
03  h = input("Enter print hours")
04  if h < 2 OR h > 24 then
05    print("Error: duration out of range")
06  else
07    cost = (h * 6.80) + 12.50
08    print(cost)
09  endif

Explain, using examples from the program, two ways to improve the maintainability of the program.

[6]
Markscheme

Programming fundamentals Questions

  1. GCSE
  2. /Computer Science
  3. /Programming fundamentals

95 exam-style questions on OCR GCSE Computer Science Programming fundamentals. Each one has a worked solution and a mark scheme showing where the marks go.

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