Computing (FOLDOC) dictionary
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printer The IBM 2741, a slow but letter-quality printing
device and terminal based on the IBM Selectric typewriter.
The "golf ball" was a little spherical frob bearing reversed
embossed images of 88 different characters arranged on four
parallels of latitude; one could change the font by swapping
in a different golf ball.
This was the technology that enabled APL
to use a
, and in fact completely non-standard
where it stayed, firmly rooted, for the next 20, until
devices with the flexibility to support other character sets.