Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

8th April 2026

5 questions · GCSE · 123 questions in this band

1
System Software
What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
2
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.
3
Network Security
State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
4
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.
5
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?

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