Basics 2 min read
The Maximum Data Rate of a Channel
Data rate refers to the speed of data transfer through a channel. It is generally computed in bits per second…
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Basics 7 min read
Analog Signals vs. Digital Signals
A signal is an electromagnetic or electrical current that carries data from one system or network to another. In electronics,…
Basics 3 min read
Difference between Analog Communication and Digital Communication
1. Analog Communication : In analog communication the data is transferred with the help of analog signal in between transmitter and…
Basics 7 min read
TCP/IP Protocol Architecture Model
The OSI model describes an idealized network communications with a family of protocols. TCP/IP does not correspond to this model…
Basics 2 min read
Layered Tasks
We use the concept of layers in our daily life. As an example, let us consider two friends who communicate…
Basics 2 min read
Communication Technologies – Hacking
Unauthorized access to data in a device, system or network is called hacking. A person hacking another person’s system is called…
Basics 2 min read
Communication Technologies – Cookies
Cookies are small text files with their unique ID stored on your system by a website. The website stores your browsing details like…
Basics 2 min read
Wireless Technologies
Wireless connection to internet is very common these days. Often an external modem is connected to the Internet and other…
Basics 2 min read
Communication Technologies – VoIP
VoIP is the acronym for Voice over Internet Protocol. It means telephone services over Internet. Traditionally Internet had been used for…
Basics 5 min read
Network Protocols
Network Protocols are a set of rules governing exchange of information in an easy, reliable and secure way. Before we discuss…
Basics 5 min read
Network Devices
Hardware devices that are used to connect computers, printers, fax machines and other electronic devices to a network are called network…
Basics 2 min read
Switching Techniques
In large networks, there may be more than one paths for transmitting data from sender to receiver. Selecting a path that data…
