O-LevelComputer ScienceProgramming2210/21 · May/June 2025 · Q34 Marks
The following pseudocode algorithm uses a count-controlled loop to read in 10 names and store them in the array Names [] FOR Count ← 1 TO 10 OUTPUT "Please enter a name" INPUT Name Names [Count] ← Name NEXT Count Rewrite the algorithm in pseudocode, using a condition-controlled loop instead of a count-controlled loop.
- The following pseudocode algorithm uses a count-controlled loop to read in 10 names and store them in the array Names [] FOR Count ← 1 TO 10 OUTPUT "Please enter a name" INPUT Name Names [Count] ← Name NEXT Count Rewrite the algorithm in pseudocode, using a condition-controlled loop instead of a count-controlled loop.[4]
Mark scheme
Marking points from the official mark scheme (May/June 2025). The mark or mark type is shown in brackets.
- [1] Initialising a count variable outside of loop
- [1] Correct use of loop with condition for 10 times (WHILE (DO)...ENDWHILE, REPEAT...UNTIL) with close
- [1] Incrementing the count variable inside the loop
- [1] Rest of algorithm correct
- Example: Count ← 1 REPEAT OUTPUT "Please enter a name" INPUT Name Names [Count] ← Name Count ← Count + 1 UNTIL Count > 10 Or Count ← 1 WHILE Count <= 10 DO OUTPUT "Please enter a name" INPUT Name Names [Count] ← Name Count ← Count + 1 ENDWHILE
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