Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

22nd November 2025

5 questions · GCSE · 123 questions in this band

1
Secondary Storage
Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
2
System Software
What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
3
Networks and Topologies
Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.
4
Network Security
State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
5
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.

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 November 2025, including the monthly compilation PDF.