The effectiveness, efficiency, and satisfaction with which users can achieve tasks in a particular environment of a product. High usability means a system is: easy to learn and remember; efficient, visually pleasing and fun to use; and quick to recover from errors.

Last updated: 1999-04-01



United States Army ModSim compiler.

Version 1.0 runs on SPARC/SunOS, Silicon Graphics, MS-DOS.

E-mail: Charles Herring <[email protected]>.

Last updated: 1993-12-29

Internet Express



The 7-bit version of ASCII, which preceded (and is the basis for) 8-bit versions such as Latin-1, MacASCII and later, even larger coded character sets such as Unicode.

US-ASCII is defined in Standard ANSI X3.4-1986, "US-ASCII. Coded Character Set - 7-Bit American Standard Code for Information Interchange".

Last updated: 1998-10-18

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