The 1403 was a printer. Regards, Richard Schuh
> -----Original Message----- > From: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Jefferson Davis > Sent: Wednesday, July 21, 2010 11:39 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: DISKACNT records > > I sure wished we had a keypunch department .... we had to > punch our own! > Good old 1403. > > :-) > > Jefferson Davis > > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Mike Walter > Sent: Wednesday, July 21, 2010 12:08 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: DISKACNT records > > Sigh... these youngsters! > > History lesson: ON > Completed coding sheets are output from programmers (perhaps > their only valuable output). > > After exhaustive "desk checking" (olde English for "a > complete and utter waste of time", since programmer's are > always perfect), the coding sheets were then input to the > keypunch department which output punch cards. > > The punched cards were then input to computer operators > (well, at least one of their known inputs besides coffee and > candy bars and God knows what else on 3rd shift) who loaded > them as input into punch card readers (one hopes good old > 2540's- not those newfangled 3505 optical card readers that > were always jammed by the slightest dust mote, of which card > provided aplenty). > > Provided that one of the F1, F2, or BG partitions was open > when the punched cards were read by the punched card reader, > and the computer operator had the appropriate UPSI switches > set properly, and had uttered the correct mystical > incantations at the right time, the computer would process > the punched cards into its core memory and execute them as a > program, or supply them for a program's input needs. > History lesson: OFF > > Hey... if they had optical card readers, why weren't there > any optical card punches? Think of all the chaff that could > have been saved! ;-) > > Mike Walter > Hewitt Associates > The opinions expressed herein are mine alone, not my employer's. >
