Unit 13.3 Floating-Point Numbers, Representation and Manipulation

Aims

• Know how to convert binary floating-point real numbers into denary numbers and vice-versa.

• Know how to normalise floating-point numbers and why this is necessary

• Know the effect of changing the allocation of bits to the mantissa and exponent in floating-point representation.

• Know what is meant by the terms overflow error and underflow error.

To store numbers with decimal point, use two complement & fixed point binary