Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

28th March 1998

5 questions · GCSE · 123 questions in this band

1
Trace Tables and Binary/Hex Conversions
Convert the denary number 39 to an 8-bit binary number, showing your working.
2
Systems Architecture
State the three stages of the fetch-decode-execute cycle in the order they occur.
3
Memory and Primary Storage
A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
4
Secondary Storage
Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
5
System Software
What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?

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