It’s time to do a series on logic including things such as programmable logic, state machines, and the lesser known demons such as switching hazards. It is best to start at the beginning &#82… ...

These simple devices used common logic chips, lights, and switches to perform calculations; basically, a very small and simple computer.

Among the most popular varieties are maths-based brain teasers, which often require far more than simple calculation; they demand the ability to spot hidden patterns and apply lateral thinking.

When teaching basic math operations, the same logic applies. Consider how many misconceptions can arise if symbols are introduced too early: The expression “5 – 1” easily can be mistaken for a date, ...