Related:

• Stone Age: n., adj. 1. In computer folklore, an ill-defined period from ENIAC (ca.
  1943) to the mid-1950s; the great age of electromechanical {dinosaur}s....
• Iron Age n. In the history of computing, 1961-1971 -- the formative era of commercial mainframe technology, when ferrite-core dinosaurs ruled the earth.
  The Iron Age began, ironically enough, with the delivery of the first minicomputer (the PDP-1) and ended with the introduction of the first commercial microprocessor (the Intel 4004) in 1971....
• Iron Age: n. In the history of computing, 1961--1971 --- the formative era of commercial {mainframe} technology, when ferrite-core {dinosaur}s ruled the earth.
  The Iron Age began, ironically enough, with the delivery of the first minicomputer (the PDP-1) and ended with the introduction of the first commercial microprocessor (the Intel 4004) in 1971....
• mainframe n. Term originally referring to the cabinet containing the central processor unit or `main frame' of a room-filling Stone Age batch machine.
  After the emergence of smaller `minicomputer' designs in the early 1970s, the traditional big iron machines were described as `mainframe computers' and eventually just as mainframes....
• mainframe: n. Term originally referring to the cabinet containing the central processor unit or `main frame' of a room-filling {Stone Age} batch machine.
  After the emergence of smaller `minicomputer' designs in the early 1970s, the traditional {big iron} machines were described as `mainframe computers' and eventually just as mainframes....
• elder days: n. The heroic age of hackerdom (roughly, pre-1980)
  he era of the {PDP-10}, {TECO}, {{ITS}}, and the ARPANET....
• core dump n. [common Iron Age jargon, preserved by Unix] 1.
  [techspeak] A copy of the contents of core, produced when a process is aborted by certain kinds of internal error....
• core dump: n. [common {Iron Age} jargon, preserved by UNIX] 1.
  [techspeak] A copy of the contents of {core}, produced when a process is aborted by certain kinds of internal error....
• elder days n. The heroic age of hackerdom (roughly, pre-1980)
  he era of the PDP-10, TECO, ITS ARPANET. This term has been rather consciously adopted from J....