Lesson 4 презентация, доклад

Слайд 1Lesson 4
E-Learning

Слайд 2Point 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 netNet is a complex of HW and peripherals, SW and

Слайд 3Point 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 netNetware are:Architecture Interface (modem, net-card, converter, radio-modem, transmitter-receiver architecture for

Слайд 4Point 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 netCW are:Wire (telephone lines, coaxial cable, twisted pair, optical cable)Wireless

Слайд 5Point 1. The Main terms of a net

The principle of

net interconnection is
“client-server”.

Слайд 6Point 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 netStation (host, node) is a device connected to the net

Слайд 7Point 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 1. The Main terms of a netNET SW is:OS (operating system) is a program complex handling

Слайд 8Point 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.

Point 2. The Main terms of InternetInternet is a global net having a common address space and

Слайд 9Point 2. The Main terms of Internet
Bandwidth is a data

transmission capability
Data transmission rate is a time of delivery the

information.
Traffic is an information volume transmitting in the network.
Provider is an organization giving an opportunity to connect to the Internet and to get IP-addresses.