O-LevelComputer ScienceAlgorithm design and problem-solving2210/22 · May/June 2015 · Q44 Marks
Four programming concepts and four examples of programming code are shown below. Draw a line to link each programming concept to the correct example of programming code. Programming concept: Counting, Repetition, Selection, Totalling. Example of programming code: Sum = Sum + Value[n], IF Value = 10 THEN PRINT 'X', FOR Counter = 1 TO 10, Amount = Amount + 1, Sum = Num1 + Num2 [Figure 4.1]
- Four programming concepts and four examples of programming code are shown below. Draw a line to link each programming concept to the correct example of programming code. Programming concept: Counting, Repetition, Selection, Totalling. Example of programming code: Sum = Sum + Value[n], IF Value = 10 THEN PRINT 'X', FOR Counter = 1 TO 10, Amount = Amount + 1, Sum = Num1 + Num2[4]
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Mark scheme
Marking points from the official mark scheme (May/June 2015). The mark or mark type is shown in brackets.
- [4] 1 mark for each correct line, two lines from one box not allowed Counting -> Amount = Amount + 1 Repetition -> FOR Counter = 1 TO 10 Selection -> IF Value = 10 THEN PRINT 'X' Totalling -> Sum = Sum + Value[n]
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