Test page


A supermarket uses a stock control system.
Details of products are stored on a stock database.
The name of a product is stored using characters from the computer's character set.
1. Explain what is meant by the character set of a computer.
2. Explain how codes are used to represent a character set.

Max Score: 5

Did your answer include the following points?

1a: Normally equates to the symbols on a keyboard / digits / letters…
1b: …that can be represented / interpreted / understood by a computer
2a: Each symbol has a (binary) code / number, which is unique.
2b: Number of bits used for one character = 1 byte
2c: Example Character Sets: ASCII / Unicode