Question: What Is Data Communication And Examples?

What is data communication and its types?

Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable.

For data communications to occur, the communicating devices must be part of a communication system made up of a combination of hardware (physical equipment) and software (programs)..

Why is data communication important?

All in all, data communication allows businesses to reduce expenses and improve efficiency by sharing data and common equipment among many different computers. At the same time, the network may be connected through cables, telephone lines, infrared beams, which is cheaper and helps to reduce the expenses.

What are characteristics of data communication?

The effectiveness of a data communications system depends on four fundamental characteristics: delivery, accuracy, timeliness, and jitter. The system must deliver data to the correct destination. Data must be received by the intended device or user and only by that device or user.

What is application of data communication?

There are literally thousands of applications that run on the Internet and on other networks. In this section, we will briefly discuss only four commonly used applications: File Transfer Protocol (FTP), Telnet, instant messaging (IM), and Video conferencing. …

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 5 components of data communication?

The five components are :Message – It is the information to be communicated. … Sender – It is the device which sends the data messages. … Receiver – It is the device which receives the data messages. … Transmission Medium – It is the physical path by which a message travels from sender to receiver.More items…•

What is Data & Information?

Data is raw, unorganized facts that need to be processed. Data can be something simple and seemingly random and useless until it is organized. When data is processed, organized, structured or presented in a given context so as to make it useful, it is called information.

What are the basics of data communication?

There are five important components in every Data Communication system . They are (i)Messages (ii)Sender (iii)Receiver (iv)Medium and (v)Protocols. Message: The message is the data information to be communicated. It can be either text, numbers or audio or video or any combination of these types.

What is meant by networking?

Networking is the exchange of information and ideas among people with a common profession or special interest, usually in an informal social setting. … (The term computer networking refers to linking multiple devices so that they can readily share information and software resources.)

What is communication in computer?

Computer communications describes a process in which two or more computers or devices transfer data, instructions, and information. … A sending device that initiates an instruction to transmit data, instructions, or information. A communications device that connects the sending device to a communications channel.

What is data communication protocol?

A communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity. The protocol defines the rules, syntax, semantics and synchronization of communication and possible error recovery methods.

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 the definition of data?

Data are characteristics or information, usually numerical, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable.

What are the 4 basic elements of communication?

The communication process is made up of four key components. Those components include encoding, medium of transmission, decoding, and feedback. There are also two other factors in the process, and those two factors are present in the form of the sender and the receiver.