The basic unit of computer storage is the eight bit byte, which can store values in the decimal range 0 to 255. The problem when dealing with numbers in binary format is that they quickly become very long. For instance, the number 317 is represented as: 0b100111101, which is bad enough, … [Read more...]

Decimal The difficult for us when approaching computer number systems is that we're conditioned in to counting with our familiar base 10 system, or decimal. This system has 10 unique digits that represent units, tens, hundreds, thousands and so on, all in neat multiples of 10. It may … [Read more...]

At first glance all this switching between number systems (decimal, binary and hex) may not seem to be a help at all, but we've seen that only a very little effort can make it perfectly clear, not only in principle but also in practice. To enable you to get more practice, this interactive … [Read more...]