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Although assembly language is much more difficult to program in, it runs much faster and takes up less storage space. You would generally use it if you need something to happen very very quickly, like in ...

1. Convert the hexidecimal number D6 to decimal Since it is base-16, we multiply the first digit (6) by 16^0 - giving us 6 We then multiple the second digit (D - which equates to 13) by 1...

Number conversions are a staple of both A-Level and GCSE computing papers. a) Expressing as a binary number is the hardest part of a conversion. Octal and hexadecimal can all come after e...

-128  64  32  16  8  4  2  1

   1    1   0    0   0  1  1  0

Therefore 11000110

Decimal and binary are two positional systems which essentially means that we write the number as a sum of digits multiplied by powers of a base. For instance, 142 actually means 10^2 * 1 + ...