Binary and denary
- Denary is the same as decimal
- It uses a base 10 number system, in which there are 10 digits, and all other numbers are made up from them
- Binary is discussed here.
- It uses a base 2 number system, in which there are 2 digits, and all other numbers are made up from them
Tables like below are usually used to convert from binary to decimal.
For example, if you want to know what
00101111 is in decimal, use the table by adding up the numbers which have a
1 + 2 + 4 + 8 + 32 = 47