Complete the description of how computer systems represent text by selecting the correct terms from the table below. Not all terms will be used.
| 8 | 16 | 32 | 74 | 78 | 80 | 128 | 256 |
| all | any | constant | different | identical | same | some | unique |
A character set is a collection consisting of ..... of the characters that a particular computer system can recognise and represent. To ensure there is no ambiguity, every distinct character is mapped to a ..... binary code. Consequently, the lowercase letter 'e' and the uppercase letter 'E' are assigned ..... values.
One widely adopted standard is extended ASCII. This character set uses ..... bits to represent each character. If the denary code representing the character 'J' is 74, then the denary code for 'P' is ..... .
Practise OCR GCSE Computer Science Programming fundamentals with exam-style questions for GCSE Computer Science. 100 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.