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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 + ...

The analysis stage of the systems life cycle is the stage in which a specification for a new system is created. In order to create this specification a range of sources may be considered including a quest...