What Is a Brief History of Electronics?

Although the name “electronics” was not used until the 1940s, the history of electronics can be traced back to the late 19th and early 20th centuries, when technical advancements were made in the telegraph, radio, and phone sectors. The advancement of electronics was ultimately responsible for the creation of contemporary technology, which includes personal computers and microprocessors.

Inventions from the 19th century, such as the spark-gap transmitter and the coherer, were crucial in the development of wireless telegraphy. In the year 1904, the first radio tube was developed, and in the year 1906, the first amplifier tube was manufactured. By 1916, the amplifier tube had found its way into radio transmitters and receivers, in addition to telephone networks used for long-distance conversations.

The first demonstration of a television that used just electronic signals took place in 1928, and in the 1930s, various nations started broadcasting. Electronic locating and radio guidance both saw significant advancements thanks to World War II. Following the conclusion of the war, millions of people throughout the world started receiving television broadcasts.

Also during World War II, the first electronic computers were invented. These early machines were the size of a big room when they were initially built. In 1969, Intel developed the first commercial microprocessor, which served as the spark that led to the creation of personal computers in the following years. Computers have progressed to the point where they are now a small fraction of the size of the first computers and consume a small fraction of the energy that their predecessors used in the middle of the 20th century.