This is a pack of resources which are available to purchase individually. In this pack are some worksheets which break down data types in the OCR A-Level computer science. This is for section 1.4.1 of ...

My last column introduced the concepts underlying BCD (binary-coded-decimal) representations. In particular, we considered unsigned versus 10s-complement versions of BCD numbers. In this column we are ...

A great introduction to understanding binary addition, two’s complement, binary subtraction, binary shifts and binary multiplication. This unit does expect pupils to know how to translate denary ...