In modern times, we depend on e-mail and on the World Wide Web. We have access to these resources at home and at the offices, and we would like to use these resources while traveling. This is the goal that “wireless data” hopes to accomplish
By: Ranjit Kumar
The first all-electronic TV programming was launched by the BBC from Alexandra Palace in London in 1936. Unlike the mechanical systems, this approach was the direct precursor to today’s all-electronic approach to transmitting TV pictures
By: Ranjit Kumar
According to The Robot Institute of America (1979) : “A reprogrammable, multifunctional manipulator designed to move materials, parts, tools, or specialized devices through various programmed motions for the performance of a variety of tasks.
By: Ranjit Kumar
In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respective designs to the patent office within hours of each other, Alexander Graham Bell patented his telephone first
By: Ranjit Kumar
A robot can be defined as a programmable, self-controlled device consisting of electronic, electrical, or mechanical units. More generally, it is a machine that functions in place of a living agent
By: Ranjit Kumar
Nuclear reactors release energy by controlled nuclear fission chain reaction.
By: Ashok Kumar
The ‘first’ generation of television sets were not entirely electronic. The display (TV screen) had a small motor with a spinning disc and a neon lamp, which worked together to give a blurry reddish-orange picture about half the size of a business card
By: Ranjit Kumar
Traditionally, cellular phones remained out of the hands of most consumers due to their high cost. As a result, cell phone carriers have invested time and resources into finding ways to give the systems higher capacity and thus lower cost
By: Ranjit Kumar
Portable cellular telephones have become invaluable for people who need to stay in touch while on the moves cellular telephone systems combine radio and television technology with computer systems
By: Ranjit Kumar