Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

4th May 2026

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.

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