The computer will then execute the resulting program — this is the end product of coding. In actual day-to-day coding, though, there are additional quality control and error-correction steps.

I was 5 or 6 when I got my first sense of the joys of computer programming. This was in the early 1980s, when few people had a computer. One day, my dad brought home a Sinclair ZX Spectrum, one of ...