Related:

• minifloppies n.,obs. 5.25-inch vanilla floppy disks, as opposed to 3.
  5-inch or microfloppies and the now-obsolescent 8-inch variety....
• microfloppies: n. 3.5-inch floppies, as opposed to 5.
  25-inch {vanilla} or mini-floppies and the now-obsolete 8-inch variety....
• microfloppies n. 3.5-inch floppies, as opposed to 5.
  25-inch vanilla or mini-floppies and the now-obsolete 8-inch variety....
• microtape: /mi:'kroh-tayp/ n. Occasionally used to mean a DECtape, as opposed to a {macrotape}.
  A DECtape is a small reel, about 4 inches in diameter, of magnetic tape about an inch wide....
• iffy: [University of Lowell, Massachusetts.] n. 3.
  5-inch {microfloppies}, so called because their jackets are more rigid than those of the 5....
• firmy: /fer'mee/ Syn. {stiffy} (a 3.5-inch floppy disk). -- The AI Hackers Dictionary
• attoparsec: n. About an inch. `atto-' is the standard SI prefix for multiplication by 10^(-18).
  A parsec (parallax-second) is 3.26 light-yea...
• hot spot: n. 1. [primarily used by C/UNIX programmers, but spreading] It is received wisdom that in most programs, less than 10% of the code eats 90% of the execution time
  if one were to graph instruction visits versus code addresses, one would typically see a few huge spikes amidst a lot of low-level noise....
• hacker n. [originally, someone who makes furniture with an axe] 1.
  A person who enjoys exploring the details of programmable systems and how to stretch their capabilities, as opposed to most users, who prefer to learn only the minimum necessary....