Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

27th May 2025

5 questions · GCSE · 123 questions in this band

1
Systems Architecture
Convert the denary number 156 to an 8 bit binary number.
2
Memory and Primary Storage
Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.
3
Secondary Storage
Give one example of an optical secondary storage device.
4
System Software
State one function carried out by the operating system of a computer.
5
Networks and Topologies
A network administrator is connecting 10 computers in a server room. Calculate the number of cables needed for a full mesh topology, and state the number needed for a star topology with one central switch.

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 May 2025, including the monthly compilation PDF.