Computer Science · May / June 2016 · Paper 22 · Question 2
2210
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Read this section of program code that inputs 10 positive numbers and then outputs the total. 1 Total = 0 2 Counter = 0 3 REPEAT 4 INPUT Num 5 Total = Total + Num 6 PRINT Total 7 Counter = Counter + 1 8 UNTIL Counter = 10 This code works, but it is inefficient.
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2(i)[6]
1 mark for each improvement use FOR … NEXT instead of REPEAT … UNTIL Move PRINT to after the end of the loop Add error checking to check that the value input is positive [3]
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