GCSE Computer Science Computer systems learning resources for adults, children, parents and teachers. ... Units and data representation - OCR. All data is represented as binary digits, ...

denary close denary The number system most commonly used by people. It contains 10 unique digits 0 to 9. Also known as decimal or base 10. is base 10, which has ten symbols (0,1,2,3,4,5,6,7,8,9) ...