E-Learning

Point 1. The Main terms of a net
Net is a complex of HW and peripherals, SW and CW for interactive communication between users.
HW and peripherals for the network are:
PC (personal computer)
Netware

Point 1. The Main terms of a net
Netware are:
Architecture Interface (modem, net-card, converter, radio-modem, transmitter-receiver architecture for satellites and etc.)
Communication architecture (repeater, host, router, gate, hub and etc.)

Point 1. The Main terms of a net
CW are:
Wire (telephone lines, coaxial cable, twisted pair, optical cable)
Wireless (radio –and infrared-waves, satellite communication)

Point 1. The Main terms of a net
The principle of net interconnection is
“client-server”.

Point 1. The Main terms of a net
Station (host, node) is a device connected to the net and used for information interchange. (computer or a peripheral device)
Server is a net node providing its recourses to other stations. (They are Web-server, mail-server, FTP-server, NNTP-server, DNS-server.)
Client (work station) is a net node using net recourses.

Point 1. The Main terms of a net
NET SW is:
OS (operating system) is a program complex handling the net processes.
Applications are programs using net capabilities.

Point 2. The Main terms of Internet
Internet is a global net having a common address space and using TCP/IP.
Protocol is a rule complex regulating the information exchange between stations.
TCP (Transmission control protocol) is a protocol handling the data delivering.
IP (Internet protocol) is a protocol used between nodes in the Internet.