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Who invented the television?
A. John Logie Baird
B. Thomas Edison
C. Philo Farnsworth
D. Marconi
Correct Answer Is Option = John Logie Baird
Notes / Explanation
The invention of the television, the device that allows moving pictures together with sound to be sent and received over a distance, is commonly credited to John Logie Baird, who demonstrated one of the first working television systems. The television built upon the earlier development of wireless communication, which had shown that signals could be sent through the air, but it went much further by making it possible to transmit images that moved, so that events happening in one place could be seen by people far away. The basic idea behind television is that a picture is broken down into a pattern of light and dark points, which are converted into signals that can be transmitted, and these signals are then used at the receiving end to recreate the picture on a screen, with the process repeated so rapidly that the eye sees continuous movement. Baird worked on this problem with great determination, often using simple and inexpensive materials in his early experiments, and he succeeded in producing a system that could transmit recognisable moving images, which he demonstrated to the public. His early television produced crude pictures by modern standards, but it represented a remarkable breakthrough and proved that the transmission of moving images was possible. The early mechanical methods used in the first systems were later replaced by improved electronic methods developed by various inventors and engineers, which produced clearer and more reliable pictures and which became the basis of the television sets that came into widespread use. Over the following decades, television developed into one of the most powerful and influential means of communication and entertainment in the world, bringing news, education, sport, drama and countless other kinds of programmes into homes everywhere and shaping the way people understand and experience the world. The technology continued to advance, with the introduction of colour pictures, larger and flatter screens, and eventually digital systems offering very high quality images. For PPSC and other competitive examinations, the key points to remember are that the television is credited to John Logie Baird, who demonstrated one of the first working systems, that television transmits moving images together with sound over a distance, that the early mechanical systems were later replaced by improved electronic methods, and that television became one of the most influential means of communication and entertainment in the world.
