A typical PDP-1 operating procedure was to output text to punched paper tape using the PDP-1's " high speed " ( 60-character-per-second ) Teletype model BRPE punch, then to hand carry the tape to a Flexowriter for offline printing.
32.
The last eight positions in the rack were used for I / O devices operated by program control, such as the console Teletype, punched paper tape and punched card reader and punch, line printer, display, operator's panel, and the real time clock.
33.
In 1941 he and the actress Hedy Lamarr developed a radio guidance system for Allied torpedoes that used a code ( stored on a punched paper tape ) to synchronise random frequencies, referred to as frequency hopping, with a receiver and transmitter.
34.
To process data, she had the National Ocean Services Hydrochart system, which employed a PDP / 8E computer to acquire and process hydrographic data in real time, generate a real-time position-corrected plot of sounding data, provide steering commands to the helmsman, and generate a punched paper tape for shore-based processing of sounding dara.
35.
Before Colossus these jobs were done by an oddbod variety of bespoke machines ( one rightly named a Robinson after Heath ), which had no real stored program ( they just did what a loop of punched paper tape did them, and thus didn't even have any kind of real conditional logic ).
