1.1.4 (a) Add two positive 8-bit binary integers
1.1.4 (b) Understand the concept of overflow and why it occurs in binary addition
An overflow error will occur if the value is greater than 255 in an 8-bit register
A computer or a device has a predefined limit that it can represent or store, for example 16-bit
An overflow error occurs when a value outside this limit should be returned