keyscan

noun

keyscan

noun

Etymology From key + scan.

1

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The process of scanning the state of a keyboard to determine which keys are being pressed.

  • There are two indirect RAM jumps encountered during a keyscan: […]1986, Commodore 128: Programmer's Reference Guide, page 421:
  • So, a keyscan routine that repeated every 100mSec would probably meet the requirement of fast enough.1993, Thomas W. Schultz, C and the 8051: Programming for Multitasking, page 182:
1 more example
  • The keyboard of the PC generates a keyscan code whenever one of its keys is depressed2000, Walter A. Triebel, Avtar Singh, The 8088 and 8086 Microprocessors: Programming, Interfacing, Software, Hardware, and Applications, page 639:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.