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QL
(Quantum Leap) Sir Clive Sinclair's first {Motorola 68008}-based personal computer, developed from around 1981 and released about 1983. The QL ran Sinclair's QDOS operating system which was the first multitasking OS on a home computer, though few programmers used this feature. It had a structured, extended BASIC and a suite of integrated application programs written by {Psion}. It featured innovative "{microdrives}" which were random-access tape drives. It was not a success.
The microdrives were innovative but probably a mistake. Though reliable and quite quick, they sounded like they were going to jam and explode, releasing a shower of plastic shavings and tape into your face.
The QL and QDOS only supported two graphics modes - ominously named high res and low res. High res had four (fixed) colours at a resolution of 512 by 256 pixels. Low res had 8 colours (black, blue, red, magenta, green, cyan, yellow, white) plus a flash mode with 256
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