What Is Data Communication Protocol?

Why are communication protocols important?

Computers make use of protocols as well, to enable them to communicate.

Devices need to communicate.

For example, a printer needs to send messages to a computer telling it that it has run out of paper or that it is ready to print while a computer needs to send the data it wants to print to the printer..

What are the 4 types of networks?

11 Types of Networks in Use TodayPersonal Area Network (PAN) … Local Area Network (LAN) … Wireless Local Area Network (WLAN) … Campus Area Network (CAN) … Metropolitan Area Network (MAN) … Wide Area Network (WAN) … Storage-Area Network (SAN) … System-Area Network (also known as SAN)More items…•

What is data communication with example?

Communication is the process of sharing a message. A conversation between two people is an example of communication. Data communications refers to the sharing of a virtual message. Electronic communications, like emails and instant messages, as well as phone calls are examples of data communications.

What is data communication system?

Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. … The best-known computer network is the Internet.

What is the purpose of protocols in data communications?

What is the purpose of protocols in data communications? Protocols provide rules that define how a message is transmitted across a network. Implementation requirements such as electronic and bandwidth details for data communication are specified by standards.

What is protocol with example?

A protocol is a standard set of rules that allow electronic devices to communicate with each other. … Protocols exist for several different applications. Examples include wired networking (e.g., Ethernet), wireless networking (e.g., 802.11ac), and Internet communication (e.g., IP).