Protocols and Standards

PROTOCOLS AND STANDARDS:- a) Protocols:- A protocol is synonymous with rule whereas standards are that agreed-upon rules.• A protocol is a set of rules that govern data communications.• A protocol defines what is communicated, how it is communicated, and when it is communicated.• The key elements of a protocol are syntax, semantics, and timing. Syntax:-… Continue reading Protocols and Standards

What is Internet ?

What is Internet? The Internet is a communication system that has brought a wealth of information to our fingertips and organized it for our use. The Internet is a structured, organized system. History of the Internet:- An internet (note the lowercase letter i) is two or more networks that can communicate with each other. In… Continue reading What is Internet ?

Categorised as DCCN

Topology and its Types in Networking

Physical Topology : It refers to the way in which a network is laid out physically or physical representation of the computer network is known as topology in networking. 1.Mesh Topology:- Every device has a dedicated point-to-point link to every other device. In mesh topology, we need (n*(n -1)) /2 duplex-mode links. Advantages : Dedicated… Continue reading Topology and its Types in Networking

What are the Components of Data Communication?

a. Components Of Data Communication. Message : The message is the information (data) to be communicated. e.g text, numbers, pictures, audio, and video. Sender : The sender is the device that sends the data message. e.g computer, workstation, telephone handset, video camera, and so on. Receiver : The receiver is the device that receives the… Continue reading What are the Components of Data Communication?

Data Communication and Computer Network (DCCN)

Data:- In data communication, Data is the information that will be used to communicate agreed between the source and destination computing device. Types of Data:- Text Data:-Contains single or multiple line text. Audio Data:- Contains audio file. Multimedia:- Contains video file. Communication:- In data communication the message will transfer from source to destination through the… Continue reading Data Communication and Computer Network (DCCN)