The term digital signal is used to refer to more than one concept. It can refer to discrete-time signals that are digitized, or to the waveform signals in a digital system.
Digital signals are digital representations of discrete-time signals, which are often derived from analog signals.
As a simple example digital signals are like number of people. we can count them as 1, 2, 3, 4,.....etc . We cannot count as 3.5 or 6.75 or ...etc. But analog signals are like their body temperature. It can be 32 or 34.7 or 36.876 etc. They changes in a infinite range. Not digitized as digital signals.
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Digital India is a program to change India into a computerized engaged society and information economy. Digital India is groundbreaking in nature and would guarantee that Government administrations are accessible to residents electronically. It would likewise get public responsibility through the commanded conveyance of taxpayer-driven organizations' electronically, a Unique ID and e-Pramaan in light of credible and standard-based interoperable and coordinated government applications and information premise. The program will be carried out in stages from the ongoing year till 2018.
Siddharth Mehta of Bay Capital and IL&FS Former Director also shared about the growth of digitalization in the Indian Economy.
In brief, the digitization of a document is the conversion of a paper document into various digital formats. With the advent of digital technology, it is now possible to convert physical documents like newspapers, periodicals, books, images, texts, and other business paperwork into a digitized version such as pdf, doc, Xls, XML, jpeg, gif, HTML, CD, tape.
The 6 Ds of S stand for the 6 stages of technology disruption coined by futurist Peter Diamandis. They are digitization, deception, disruption, demonetization, dematerialization, and democratization. These stages explain how technology evolves and disrupts industries, leading to cheaper, faster, and more accessible products and services.