Basic of Computer Network | Goals and Applications of Computer Network

Basic of Computer Network | Goals and Applications of Computer Network

Basic of Computer Network

What is Computer Network: It means to connect multiple computer system with each other through physical medium (Cable or Wire) or wireless medium and this architecture is known as “Computer Network“.

Basic of Computer Network

In traditional computer networks, single computer machine, workstation, and servers are linked one by one through Ethernet and other cables. But now, advance technologies are released in market in which to make connection between multiple points through wireless technology. 

Applications of Computer Network

There are different types of Computer network applications that are used in internet, and they are divided into in to two segments such as –

  • Pure Network

  • Standalone Network

Goals and Applications of Computer Network are

1. Pure Network Application

Pure network applications do not depend on the single computer machine because those applications help to make connection over network and to transfer data from one point to other points.

Some examples are –

Email Software

These types of programs help to users for writing messages at their local computer system, and forward it to other users over the network. This is very simple and easy way of moving mail (message) from one computer system to other computer machine.

Some mail programs are

  • Pegasus Mail
  • Outlook express
  • Eudora Windows mail
  • Fox mail
  • Opera
  • Poco mail
  • Mozilla Thunderbird
  • Windows mail

FTP

FTP stands for “File Transfer Protocol”, and it allows transferring all files from one computer machine to other computer machines like as client to server process.

File Transfer Protocol performs two tasks are

Upload file – In this process, users access all data from workstation to server machine. For example –   upload images to Google drive.

Download file – In this process, users access all data from server to workstation machine (client). For example – download software from server.

Some File Transfer Protocol programs are

  • FTP in Unix
  • FTP in Linux
  • FTP in Windows

TELNET

TELNET stands for “Telecommunication Network”, and it is text based network protocol that is implemented on the LAN connections otherwise internet system. TELNET allows to users for getting access remote computer machine over TCP/IP networks (internet), and to make communication in between both terminals.

Groupware

Groupware applications are implemented in the advance offices, where is needed to automate and administrative functionalities for examples are chatting (text/video) and video conferencing. These applications help to increase productivity and solve problems. Groupware is an internal part of education known as (CSCW) Computer-Supported Cooperative Work.

Video Conferencing

Video Conference means to make conference between two parties on the different zone (remotely) with helping computer network to transmit voice and video data.

For making video conference, both participants must be video camera, microphone, and speakers connected on their computer machine.

There are some types of video conference such as –

  • Telepresence Video Conferencing System
  • Integrated Video Conferencing System
  • Desktop Video Conferencing System
  • Service-based Video Conferencing System
  • Codec

Some best video conference programs are

  • Zoom
  • Google Hangouts
  • Google Meet
  • GoToMeeting
  • Skype for Business
  • Cisco WebEx
  • BlueJeans
  • Slack

Chatting

On the internet in real-time, if two or more persons try to make communication with writing text, and then all participants exchange their messages in between, it is known as Chatting.

There are three types of chatting such as –

  • IM (Instant Messaging)
  • ICQ (I seek you)
  • IRC (Internet Relay Chat)

Some Best Chat Apps

  • WhatsApp
  • Telegram
  • GroupMe
  • Line
  • WeChat
  • Kakao Talk (KaTalk)
  • Kik Messenge

2. Stand Alone Applications

Stand Alone Applications are used in some years ago, which are installed on every client machines, and these are independent platform, as well as they can operate offline. These applications can be operated on any your favorite operating system,  and all data of applications are saved on Central server to make synchronization between server and applications.

Some Stand Alone Applications are

  • Vlc media player
  • Adobe Photoshop
  • Notepad++
  • Word processors
  • Spreadsheets
  • Database management systems
  • Presentations graphics
  • Project management

Home Applications of Computer Networks are

  • Access to remote information
  • Person-to-person communication
  • Interactive entertainment
  • Electronic commerce

Other Applications of Computer Network

  • Marketing and sales
  • Financial services
  • CAD, CAM etc.
  • Information services
  • Cellular telephone
  • Cable television
  • Teleconferencing
  • EDI
  • E-mail etc.

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