Hard to say for sure. We kept them for a long while for interchange between smaller financial entities. Also, much of good graphics and plotters were on 'mini-computers' DEC, Varian, and TI. Here's a link to IBM's Archive. There's numerous links to storage related history and development. http://www-03.ibm.com/ibm/history/exhibits/storage/storage_3420.html Here's a link to video cassettes and formats. http://tech-notes.tv/Standards-Practices/TVTapeformats.htm The hot cars back in the 60's had reverberator's to mimic stereo from AM mono stations. First playback device I saw was a 45 in a 64 Plymouth Fury(big Hemi). Then cassettes and the countryside became littered with mylar. Then VHS audio was popular 'til CD's became available. In a message dated 1/15/2016 10:23:05 A.M. Central Standard Time, [email protected] writes:
It's plausible that the restriction of ASCII<->EBCDIC conversion to tape arises because the conversion is done in the control unit. Is that the case? Otherwise, yes, the restriction is inexcusable. It's also inexcusable that no error is reported when conversion is requested on a device on which ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
