Unit that receives all messages sent by the devices connected to it and redistributes them to all users.
uninterruptible power supply (UPS)
Device used to regulate the power supply to the computer and its peripherals by limiting the effects of cuts, surges or dips in the electric circuit voltage.
Device controlling data that circulate between a public network (such as the Internet) and a private network; it prevents unauthorized access to the latter.
file server
Server hosting a set of data files that are at the disposal of all computers connected to the network.
gateway
Interconnecting device linking different networks.
switch
Unit establishing the connections needed to route data to intended users from one branch of a network to another; it also handles traffic between the various parts of a network.
backbone
Main artery of a network characterized by a high throughput; it transmits data between secondary networks.
dedicated line
Telephone or cable communications link reserved for one use or for a specific user.
desktop computer
Small workstation or microcomputer designed for stationary use.
routers
Interconnecting devices ensuring transmission of data between two or more networks by determining the best path for them.
server
Computer that hosts various resources (including files, applications and databases) and places them at the disposal of all the devices connected to the network.
hub
Unit that receives all messages sent by the devices connected to it and redistributes them to all users.
