Data Communication
What is Data Communication?
Data Communication is the process of exchanging information from the sender or source pass the transmission medium to the destination.
Components of Data Communication System
1. Message
Information that can be message, number, sound, and even video.
2. Sender/ Source
Is an equipment that use to send information, such as, Computer or phone.
3. Receiver/ Destination
Is an equipment that use to receive information, such as, Computer or phone.
4. Transmission Medium
Such as cable or radiate wave.
5. Protocol
Group of laws and rules that identify to be an engagement of sender and receiver.
Telecommunication
Telecommunication is that similar to remote sensing system, which objective is to exchange information, relate to the use of electronic transmitters, for example, telephone, television, radio, and Computer.
Nowadays, telecommunication is very important for the development of country, we discovered that developed countries all have very useful and modern telecommunications, which cause many business...say...Economic system is somehow effected from telecommunication.
Network
What is network?
Network are system that link together in the local distance with remote system, especially networks that link with the remote distance, are really necessary to dependent telecommunication.
Example of telecommunications
- Telegraphy
- Facsimile
- Telephone
- Television
- Radio
- Microwave
- Satellite
Computer Network
What is Computer Network?
Computer network is network connection of Computer and equipment, which using cable or radiate wave as a transmission medium.
Advantages of Network
1. Is the right way of using resource.
2. Reduce cost.
3. More convenience when communication.
4. More security.
Categories of Networks
- LAN (Local Area Network)
LAN is private network. Is designed to allow user to share source on network.
- MAN (Metropolitan Area Network)
MAN is province network.
MAN is province network.
- WAN (Wide Area Network)
WAN is country network, able to communicate across the countries.
WAN is country network, able to communicate across the countries.
Internet
Internet is public network.
Computer Networks - Basic Configurations
1. Microcomputer-to-LAN Configurations
2. Microcomputer-to-Internet Configurations
3. LAN-to-Internet Configurations
This equipment is called "Router", is an important equipment that have to connect between two networks, even though switch or bridge also able to connect.
This equipment is called "Router", is an important equipment that have to connect between two networks, even though switch or bridge also able to connect.
4. Satellite and Microwave
Is count as one of the popular technologies. If the distance of two networks is too far and hard to make a connection, or can't even make a connection because of geometric problem, so this way can make an effective connection.
5. Wireless Telephone
For example, Laptop or Notebook that use to connect with wireless phone pass the cable or Bluetooth.
For example, Laptop or Notebook that use to connect with wireless phone pass the cable or Bluetooth.
