Related:

• codes: [scientific computing] n. Programs. This usage is common in people who hack supercumputers and heavy-duty {number-crunching}
  are to unknown elsewhere (if you say "codes" to hackers outside scientific computing, their first association is likely to be "and cyphers")....
• 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....
• big iron n. [common] Large, expensive, ultra-fast computers.
  Used generally of number-crunching supercomputers such as Crays, but can include more conventional big commercial IBMish mainframes....
• crayon: n. 1. Someone who works on Cray supercomputers.
  More specifically, it implies a programmer, probably of the CDC ilk, probably male, and almost certainly wearing a tie (irrespective of gender)....
• big iron: n. Large, expensive, ultra-fast computers.
  Used generally of {number-crunching} supercomputers such as Crays, but can include more conventional big commercial IBMish mainframes....
• ASCII /as'kee/ n. [originally an acronym (American Standard Code for Information Interchange) but now merely conventional] The predominant character set encoding of present-day computers.
  The standard version uses 7 bits for each character, whereas most earlier codes (including early drafts of of ASCII prior to June 1961) used fewer....
• crayon n. 1. Someone who works on Cray supercomputers.
  More specifically, it implies a programmer, probably of the CDC ilk, probably male, and almost certainly wearing a tie (irrespective of gender)....
• funny money: n. 1. Notional `dollar' units of computing time and/or storage handed to students at the beginning of a computer course
  also called `play money' or `purple money' (in implicit opposition to real or `green' money)....