Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

20th November 2022

5 questions · GCSE · 123 questions in this band

1
System Software
Each pair from the previous question is stored using 2 bytes. Calculate the compression ratio achieved, given the uncompressed row (1 byte per pixel) uses 8 bytes.
2
Networks and Topologies
Give one advantage of a star topology compared with a mesh topology.
3
Network Security
Distinguish between the network security threats known as phishing and pharming.
4
Ethical, Legal, Cultural and Environmental Impact
Which piece of UK legislation controls how organisations must store and use people's personal data?
5
Network Protocols and Layers
State the layer that IP operates in, and describe its job.

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.