A-level Computing/AQA/Paper 2/Fundamentals of data representation/Unsigned binary

Units Unsigned binary arithmetic Unsigned Binary Up to this point you have only been working with whole positive numbers represented as unsigned binary patterns. You can also represent negative values as signed binary and real numbers with fractional parts or decimal places. Before you start real numbers check you understand unsigned binary by recapping 1 and 2 below. Number bases - For converting between binary, decimal and Hexadecimal. Bits and bytes - To see how to calculate the munimum and maximum values for a given number of bits (in unsigned binary). Two's complement - How negative values are represented as signed binary. We will cover this further on.