Eight ways to Read Punched Tape
SCP sighs theatrically when confronted with laser-equipped hand-held barcode-readers, becuase we are Much More Fond of various punch-tape readers:
Here are eight basic techniques now in use to read the digital information from punched paper or plastic tapes. Three different mediums are used to sense a hole in the tape: air, mechanical fingers, and light. Only the method of producing an output signal that represents the presence of a hole is shown - design details of complete reading stations or additional electronics that may be necessary have been omitted
It can play DOOM and file your taxes, with only EIGHT BITS
The assertively named IT PLAYS DOOM informs us that a port of this nigh-ubiqutous “first-person-shooter” now exists on the venerable Sinclair ZX Spectrum, 128KB or upper.
SCP is reminded of the Contiki 8-bit OS.