📝 One-liners · 156 cards
Database Management Systems
Simplex — Direction of Flow / Example?
Direction of Flow: One-way only; Example: Radio, TV broadcast, keyboard-to-CPU
Half-duplex — Direction of Flow / Example?
Direction of Flow: Both ways, one at a time; Example: Walkie-talkie, old fax
Full-duplex — Direction of Flow / Example?
Direction of Flow: Both ways simultaneously; Example: Telephone, modern data link, Ethernet
Definition — Internet / Intranet / Extranet?
Internet: Global public network of networks; Intranet: Private network within one enterprise; Extranet: Extension of intranet to trusted external parties
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