Edexcel GCSE Computer Science
3.1.3: be able to convert between binary and denary whole numbers (0-255)
3.1.3: be able to convert between binary and denary whole numbers (0-255)
| Keyword | Definition |
|---|---|
| Binary | method of describing a data that uses 0s and 1s. Also known as base 2 |
| Bit | a single 0 or 1 |
| Bit value | how much each bit is worth (start with a 1 on the right then double it as you move each bit to the left) |
| Byte | 8 bits used to store a number from 0-255 |
| Denary | method of describing numbers that uses the characters 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Also known as base 10 |
| LSB | least significant bit: the bit that's worth 1, at the far right end of a binary value |
| MSB | most significant bit: the bit that's worth the most, at the far left end of a binary value |
