matrix also lacks any diodes at the intersections of the matrix. This leads to problems when reading certain combinations of keys pressed simultaneously. The matrix was designed to allow only the shift, control and shift-lock keys to be pressed simultaneously with another key. The keyswitches themselves were originally manufactured by Cherry.

Program Storage

In common with other home computers of the time, software can be saved and loaded on standard cassette tapes. The UK101 uses the Kansas City standard

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