Quick Answer: What Is Data Communication With Example?

What are required in data communication?

The essential components of data communication are: Message: Information (data) to be communicated (e.g., text, numbers, pictures, video) Sender: The device that sends the data message (e.g., computer, video camera).

What is data communication with diagram?

Data communication refers to the exchange of data between a source and a receiver. Data communication is said to be local if communicating devices are in the same building or a similarly restricted geographical area.

What is data communication explain?

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 are the 3 data communication?

Half-duplex: Data travels in one direction (from A to B) and then the other direction (from B to A) but not at the same time. The RS-485 is half-duplex. Full-duplex: Data can travel in both directions at the same time.

What are the 5 components of data communication?

Components of Data Communication SystemMessage : This is most useful asset of a data communication system. … Sender : To transfer message from source to destination, someone must be there who will play role of a source. … Receiver : It is destination where finally message sent by source has arrived. … Transmission Medium : … Set of rules (Protocol) :

What is the main purpose of data communication?

The fundamental purpose of data communications is to exchange information between user’s computers, terminals and applications programs. ! In its simplest form data communications takes place between two devices that are directly connected by some form of point-to-point transmission medium.

What are the methods of data communication?

There are two methods used to transmit data between digital devices: serial transmission and parallel transmission. Serial data transmission sends data bits one after another over a single channel. Parallel data transmission sends multiple data bits at the same time over multiple channels.

What is message in data communication?

Message: The message is the transmission (data) to be communicated. It can consist of text, number, pictures, sound, or video or any combination of these. Protocol: A protocol is a set of rules that governs data communication. It represents an agreement between the communicating devices.

What is delivery in data communication?

1. Delivery: The primary task of a data communication system is to deliver or transfer data from sender to receiver, which are the 2 components of the 5 components of data communication system. The system must deliver data to the exact destination. No other receiver should receive the data.