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Computing practice, Year 1–11
Short questions and lessons for computing across the UK curriculum, with explanations for every answer. Free, with an optional game mode.
44 questions · free · no account needed · works offline once loaded
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Tap a question to see the answer and why.
A character turns left instead of right. What should you do?
Options: Check and fix the instruction · Ignore the mistake · Delete the whole game
Answer: Check and fix the instruction
Finding and correcting an error is debugging.
A robot repeats: clap, turn, clap, turn. What comes next?
Options: Jump · Stop forever · Clap
Answer: Clap
Repeating a pattern means following the same sequence again.
Why use a loop when a task repeats ten times?
Options: To erase the program · To repeat instructions without writing them ten times · To make the computer forget
Answer: To repeat instructions without writing them ten times
A loop repeats a block of instructions.
What should you do with a message containing a suspicious link?
Options: Do not open it; check with a trusted adult · Enter your password · Forward it to everyone
Answer: Do not open it; check with a trusted adult
Unexpected links can be unsafe or fraudulent.
When is A AND B true?
Options: Only when both A and B are true · Only when both are false · Whenever either one is true
Answer: Only when both A and B are true
AND requires both conditions to be true.
Which chart is usually clearest for comparing categories?
Options: A map with no labels · A random list of colours · A bar chart
Answer: A bar chart
Bar charts make category sizes easy to compare.
What does HTTPS add to a web connection?
Options: A guaranteed true website · Encryption and server authentication · A faster processor
Answer: Encryption and server authentication
HTTPS uses TLS to protect data in transit and authenticate the server.
Why can a large dataset still produce a misleading conclusion?
Options: The sample or measurement may be biased · Large numbers are always wrong · A spreadsheet cannot store numbers
Answer: The sample or measurement may be biased
More data does not remove bias in how it was collected or measured.
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