Question

John Logie-Baird has invented
A.Television
B.Radio
C.Refrigerator
D.Camera

Answer 1

Hint: He was the Scottish inventor, electrical engineer and an innovator.John Logie-Baird suffered a stroke and died.There was a revolution in communication and entertainment.

Complete answer:
He was the Scottish inventor, electrical engineer and an innovator. He demonstrated his first working television system.The first publicly demonstrated colour television system which was purely electronic colour television picture tube was invented by him. He suffered a stroke and died. With the advent of television there was a revolution in communication and entertainment. He was also known as father of television.Television is a telecommunication medium used for transmitting moving images in black and white or colour. from two three dimensions and found the term can refer to a television set television show on medium of television transmission. television has become a mass medium for advertising and entertainment news and sports. television became available in late 1920. Television signals were initially distributed as Terrestrial television using high powered radio frequency transmitters to broadcast the signal to individual television resources. However television signals are distributed by cables or optical fibres or satellite systems.

Hence, the correct answer is option (A).

Note:Earlier these were transmitted as analogue signals but now they are transmitted as digital television signals. a standard television set is composed of many internal electronic circuits including a tuner for receiving and decoding broadcast signals. A visual display device which lacks a tuner is correctly called a video monitor rather than television.