punched tape input
121Unusual types of gramophone records — The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33⅓, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record, a… …
122Data logger — Cube storing technical and sensor data A data logger (also datalogger or data recorder) is an electronic device that records data over time or in relation to location either with a built in instrument or sensor or via external instruments and… …
123ReserVec — was a computerized reservation system developed by Ferranti Canada for Trans Canada Airlines (TCA, today s Air Canada) in the late 1950s. It appears to be the first such system ever developed, predating the more famous SABRE system in the US by… …
124Bootstrapping — This is the history of bootstrapping or booting which began in the 1880s as a leather strap and evolved into a group of metaphors that share a common meaning, a self sustaining process that proceeds without external help. traps for leather… …
125Line printer — IBM 1403 line printer, the classic line printer of the mainframe era. The line printer is a form of high speed impact printer in which one line of type is printed at a time. They are mostly associated with the early days of computing, but the… …
126Compatible Time-Sharing System — This article is about the MIT Computation Center operating system. CTSS may also stand for the Cray Time Sharing System, a separate system developed for Cray supercomputers. Compatible Time Sharing System Company / developer MIT s… …
127Tab key — on a standard Windows keyboard (on upper left) Tab key (abbreviation of tabulator key[1] or tabular key[2]) on a keyboard is used to advance the cursor to th …
128Diving cylinder — Diving cylinders to be filled at a diving air compressor station …
