Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

24th November 2022

5 questions · GCSE · 123 questions in this band

1
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.
2
Network Security
State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
3
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.
4
Network Protocols and Layers
Define the term protocol.
5
Algorithms
Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.

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 2022, including the monthly compilation PDF.