From Rob Davis
Leicester
We have the same magnetic cat flaps as Andrew Laing does
(Letters, 3 May, p 55).
Fortunately we haven’t had any scrambled data—our backups are in a
fireproof safe.
However, it was noticeable that when the computers were in a room close to
the high-tech cat flaps, the starting of Windows or any Windows application
caused the power-operated latches on the cat flaps to rattle continuously until
the program, and Windows itself, was exited.
Is that why they call it a C(at)-prompt?
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