A 64-bit computer is not twice as fast as its 32-bit predecessor. The 64 bit "word size" is only one aspect of internal processing. The CPU's clock speed, along with the speed of storage ...

The first micro:bit was invented by the BBC and partners and launched in 2015, honouring the BBC’s legacy of computing that stretches back to the original BBC Micro computer of the 1980s.

See 286. The original PC launched by IBM in 1981 used Intel's 16-bit 8088 CPU. This chip family was designed so that the installed base of CP/M applications could be easily ported to the new ...