Basics
Digital Subscriber Lines
Digital Subscriber Line (DSL) is a communication technology that offers high – bandwidth digital communication over standard telephone…
July 22, 2021 · Rajil TLAuthor: Rajil TL
Rajil TL is a SenseCentral contributor focused on tech, apps, tools, and product-building insights. He writes practical content for creators, founders, and learners—covering workflows, software strategies, and real-world implementation tips. His style is direct, structured, and action-oriented, often turning complex ideas into step-by-step guidance. He’s passionate about building useful digital products and sharing what works.
Basics
Telephone Network
Telephone Network is used to provide voice communication. Telephone Network uses Circuit Switching. Originally, the entire network was…
July 22, 2021 · Rajil TLBasics
Time Division Multiplexing
Frequency division multiplexing (FDM) is a technique of multiplexing, where the users are allowed the total available bandwidth…
July 22, 2021 · Rajil TLBasics
Wavelength Division Multiplexing
Wavelength division multiplexing (WDM) is a technique of multiplexing multiple optical carrier signals through a single optical fiber…
July 22, 2021 · Rajil TLBasics
Frequency Division Multiplexing
Frequency division multiplexing (FDM) is a technique of multiplexing which means combining more than one signal over a…
July 22, 2021 · Rajil TLBasics
Telephone Modems
Modem is an abbreviation of “modulator demodulator”. It is a network device that modulates digital information or bits…
July 22, 2021 · Rajil TLBasics
Different Block Coding Techniques
We need redundancy to ensure synchronization and to provide some kind of inherent error detecting. Block coding can…
July 22, 2021 · Rajil TLBasics
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…
July 22, 2021 · Rajil TLBasics
Analog Signals vs. Digital Signals
A signal is an electromagnetic or electrical current that carries data from one system or network to another.…
July 22, 2021 · Rajil TLBasics
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…
July 22, 2021 · Rajil TL