General Information of ICT

Server - a computer programme that controls , stores or supplies informaiton to several computers linked together
Emultion - a programme to operate in all respects ( in this case is all systems )
Gateway - The passing point before reaching the centralised control room
Protocol - A set of rules governing the format of messages that are exchanged between computers and people ( a language discipline )
Platform - A software operating system
Ethernet - A local are nbetwork ( LAN ) used for connecting computers , printers , workstations , terminals and servers within the same building or campus .
Internet - A wide Area Network ( WAN )
Network - A computer networks that connect all types of computers and computer-related equipment such as terminals , printers , modems , sensors , monitors , etc .
Open system ( dependent )
- Information flows from one system to another
- All systems integrated share a common network
- All system integrated share the merged software application

Closed system ( independent )
- Information does not flow from one system to another
- No integration of network among all systems
- No merged software application for all system