Radio paging, tele messages and Prestel

By |2025-02-12T08:56:18+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes|

A radio pager. Image credit MediaWiki A radio pager. Image credit MediaWiki ZIMSEC O Level Commerce Notes: Communication: Radio paging, tele messages and Prestel

Radio paging

  • Is a one way communication system.
  • Is an internal means of communication.
  • I used by people in an organisation only.
  • Is hired from the post office.
  • A public address system […]