Elements of Network

Different hardware and software are required for networking computer. here are some of them.

NIC (Network Interface Card)

It is a hardware device which contains electronic circuitry needed to ensure reliable communication between workstation and server.

Hub

A hub is simply a multiport repeater and is the control component of the network transmission mode.

Router

A router is a network connecting device. Although a router can transfer data between network that uses the same technology, it commonly transfers data between network using different technologies.

Gateway

A gateway is a network connecting device that interconnects two networks using different technologies.

Repeater

A repeater accepts weak signals, electrically regenerates them and then sends the message on their way.

Bridge

A bridge is the connection of hardware and software that connects the network that uses similar communication system.

Bandwidth

It is the amount of data that can be transmitted through communication channel in a fixed time period. It is expressed in Hertz.

Server

Server is the main computer that provides services, data and other resources to other computers.

Workstation

It is the place where the client works. It requests services, data and other resources to other computers.

Modem (Modulator Demodulator)

It is a device which converts analog data to digital and vice -versa.

Protocol

A protocol is a set of rule for communicating across the internet.

List of protocol

1. HTTP (Hypertext Transfer Protocol)
2. FTP (File Transfer Protocol)
3. SMTP (Simple Mail Transfer Protocol)