Mobile telephone

Mobile telephone is one of the biggest scientific inventions gifted to the general people of the world. Radio telephony was restricted to certain departments of the governments and the general public could not get any benefit out of it. During the last half of the twentieth century the global sky save and except very remote and inaccessible areas where network could not be set up has been enclosed with web which transmit required signal to help communication among peoples all over the world. Technology developed very fast  and small portable instrument known as mobile or cell phone has come to be a must holding by the poor people of the undeveloped countries of the world. (to be continued )

computer followed by personal computer

A new world of communication shook the entire humanity when computer made rapid progress in the last lap of the twentieth century and the 21st century welcomed personal computer almost in every household of the developed countries and has started to make inroads in the developing and undeveloped countries. Heavy weight Desktop machines have been gradually giving way to the light weight laptop and tablets for use as a portable one from place to place. People are now used to use these instruments to chat across the globe. Most wise men of the nineteenth and before centuries could hardly dream that such a machine would ever come to be a  pioneer communication mouth piece. It is now a reality, the fruits are now being enjoyed by all and sundries..............(to be continued )