Related:

• chemist: [Cambridge] n. Someone who wastes computer time on {number-crunching} when you'd far rather the machine were doing something more productive
  uch as working out anagrams of your name or printing Snoopy calendars or running {life} patterns....
• front end: n. 1. An intermediary computer that does set-up and filtering for another (usually more powerful but less friendly) machine (a `back end').
  2. What you're talking to when you have a conversation with someone who is making replies without paying attention....
• 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)....
• Real World: n. 1. Those institutions at which `programming' may be used in the same sentence as `FORTRAN', `{COBOL}', `RPG', `{IBM}', `DBASE', etc.
  Places where programs do such commercially necessary but intellectually uninspiring things as generating payroll checks and invoices....
• cycle: 1. n. The basic unit of computation. What every hacker wants more of (noted hacker Bill Gosper describes himself as a "cycle junkie").
  One can describe an instruction as taking so many `clock cycles'....
• cray: /kray/ n. 1. (properly, capitalized) One of the line of supercomputers designed by Cray Research.
  2. Any supercomputer at all. 3. The {canonical} {number-crunching} machine....
• eal user: n. 1. A commercial user. One who is paying *real* money for his computer usage.
  2. A non-hacker. Someone using the system for an explicit purpose (a research project, a course, etc....
• bug n. An unwanted and unintended property of a program or piece of hardware, esp.
  one that causes it to malfunction. Antonym of feature....
• hrash: vi. To move wildly or violently, without accomplishing anything useful.
  Paging or swapping systems that are overloaded waste most of their time moving data into and out of core (rather than performing useful computation) and are therefore said to thrash....