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The earliest electronic device was the diode which was invented in 1873. The first diodes were both crystal and thermionic valve (vacuum tube) based devices; the first valve diode was in 1873, the first crystal diode in 1874.
Edison also developed a diode independently.
In the early 20th century, the first triodes were developed - which could amplify signals and electronics was largely valve based until the early 1960s, despite transistors being developed in 1923.
What else can I help you with?
Which of these developments in Africa was a cause?
All developments have a cause. They also have an effect.
Electronics and telecommunication?
electronics and telecommunication
Does electronics and telecommunication has more scope or electronics and instrumentation?
Electrical-Electronics: 1.Electronics came out of electricals 2.Electricals: base & Electronics: Speciality Electronics-Instrumentation: Specialities based on Electrical Electronics i a part of physical study of electrons emission. Instrumentation is a fiels of specialty related to monitor,calibrate electronics components.
What you call electronics and instrumentation in Hindi?
Electronics And vayuantarkrish
What is open box electronics?
Electronics which are in a box which is open.
Where did many of the early developments of the Renaissance take place?
Many of the early developments of the Renaissance take place in Italy. From this country the developments spread throughout the world.
What made Steve Jobs interest in electronics?
why did steve jobs develop an early interest in electronics
When first electronics used in airplanes?
It depends what you call 'electronics' -I would estimate early in WW2
What developments in Europe propelled early explorations in North America?
china
What developments resulted in early toll roads or turnpikes?
private and public cooperation
What are four important developments in human culture?
Four important developments in human culture are Elements of Culture ,People and Their Land,Early Technology ,and The Start of Agriculture
What events shaped the early settlements and developments of Tennessee prior to statehood?
dhese nutz
What event shaped the early settlements and developments of TN prior to statehood?
the babayyydbh boom
What events shaped the early settlements and developments of tn?
Some events that shaped early settlements in Tennessee were the Civil War, and the War of 1812.
Which of these contributed to the economic growth of the North during the early to mid nineteenth century?
developments in transportation
Early developments in cartography were driven largely by who?
Early developments in cartography were largely driven by ancient civilizations such as the Greeks, Romans, and Chinese, who sought to create maps for navigation, administrative purposes, and territorial expansion. These early cartographers used tools like compasses, astrolabes, and measurements to accurately depict geographical features.
What is wireless electronics?
Wireless in its earlier use meant communication without wires. Early radio. Electronics may or may not have anything to do with communication.
