KS3 / KS4 Computer Science: Checking your algorithm

A teenage programmer tests a set of instructions she has written to get her computer to mop the floor. Suitable for teaching at KS3, KS4 and National 4 and 5.
BBC

Algorithms - Edexcel Pseudo-code

This simple pseudo-code algorithm asks a user to input what their favourite subject is: WHILE answer <> 'computer science' DO SEND 'What is your favourite subject?' TO DISPLAY RECEIVE answer FROM ...