What Is Data Communication Concept?

What are the key components of data network?

Networks are comprised of four basic elements: hardware, software, protocols and the connection medium.

All data networks are comprised of these elements, and cannot function without them..

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 the 4 classifications of data communications?

Some communications channel types include:Data transmission circuit.Full-duplex.Half-duplex.Multi-drop: Bus network. Mesh network. Ring network. Star network. Wireless network.Point-to-point.Simplex.

What is the biggest advantage of networking?

Sharing devices such as printers saves money. Site (software ) licences are likely to be cheaper than buying several standalone licences. Files can easily be shared between users. Network users can communicate by email and instant messenger .

What are the basics of networking?

Switches, routers, and wireless access points are the essential networking basics. Through them, devices connected to your network can communicate with one another and with other networks, like the Internet.

What are the 2 types of LAN networks?

In general, there are two types of LANs: client/server LANs and peer-to-peer LANs. A client/server LAN consists of several devices (the clients) connected to a central server. The server manages file storage, application access, device access, and network traffic.

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 the 7 elements of communication?

There are 7 major elements when we talk about the communication process. These are: sender, ideas, encoding, communication channel, receiver, decoding and feedback.

What is data communication and examples?

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 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 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.

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.

How many types of data flow are there?

Communication between two devices can be simplex, half-duplex, or full-duplex.

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 are the elements of data communication?

Components of Data CommunicationMessage: The message is the information (data) to be communicated. … Sender: The sender is the device that sends the data message. … Receiver: The receiver is the device that receives the message. … Transmission medium: The transmission medium is the physical path by which a message travels from sender to receiver. … Protocol:

What are the 5 components of a network?

The hardware components are the server, client, peer, transmission medium, and connecting devices. The software components are operating system and protocols.

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.