practice

Practise your pseudocode skills.

Original exam-style tasks for IGCSE, O Level, and A Level Computer Science. Choose a skill from Lesson or try a random question, then write and run your answer in the studio editor.

All questions

LoopsCoreIGCSE 0478

Validate a menu choice

REPEAT UNTIL practice: keep reading a menu choice until the value is between 1 and 4.

LoopsCoreO Level 2210

Total five marks

FOR loop practice for IGCSE and O Level: read five marks and output their total.

LoopsExtendedIGCSE 0478

Count how many students passed

Combine a FOR loop and an IF statement to count how many of ten marks are 50 or more.

LoopsCoreIGCSE 0478

Find the largest of ten numbers

Running-maximum practice: read ten integers and output the largest value.