Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

15th September 2026

5 questions · GCSE · 123 questions in this band

1
Network Security
State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
2
Ethical, Legal, Cultural and Environmental Impact
A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.
3
Network Protocols and Layers
A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
4
Algorithms
Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
5
Translators and Integrated Development Environments (IDEs)
Explain the purpose of a breakpoint.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Every sheet is deterministic: the same date always regenerates the same five questions. All of September 2026, including the monthly compilation PDF.