Question

Physics project file on topic of communication system for class 12

Answer 1

Over time, the methods for communication has changed by the circumstances, individuals' living circumstances and headways in innovation. Previously, individuals utilized smoke motions as a type of communication; be that as it may, smoke signs could just send a couple of straightforward messages. As the world changed and the populace grows individuals expected to send longer messages and additionally sending them further. Along these lines, individuals supplanted smoke signals with letter composing. Individuals composed letters to speak with loved ones isolated by distance since it was the best way to impart long distance, at any rate until the creation of the telegraph in the nineteenth century. 

In the late 1700′s and mid 1800′s, the primary telegraph was created. The telegraph system was a type of communication that transmitted electric flags over wires from various areas to decipher messages. 

It was not long after the telegraph turned into a win for the following moves in technology tagged along, the phone. The phone was utilized to transmit speech electronically. Like the transmit, the phone was an additionally wire-based electrical system. 

Mobile phones have advanced tremendously since 1983, both in design and function. This association conveyed a radical new importance to the term multitasking. Mobile phones today can do any and everything from sending instant messages, to emails, to transferring video and picture, and above all downloading applications for everything. 

The progression in innovation like the Internet, PCs, and tablets has changed the flow of the print business enormously. The daily paper, Magazine, and Book course is at its least, the print business is required to lose 25% of its employees throughout the following couple of years.