A vacuum tube is made up of electron tube. It is a device that control electric current through vacuum in a sealed container.
the vacuum tube
A vacuum tube does not contain any gases. All the gases are evacuated from the tube and only vacuum is left.
A vacuum tube is simply a tube with no oxygen nor carbon dioxide in it (aka no air).
who made the vacuum tubes
The transistor replaced the vacuum tube, allowing radios to get much smaller and portable.
Kilobytes and vacuum tubes are not in the same category. At best, a twin triode vacuum tube is a single flip-flop and can hold 1 bit of information, making a vacuum tube about 0.000122 of a kilobyte.
an electron tube containing a near-vacuum that allows the free passage of electric current.
cellphone
* == 1st generation vacuum tube look like as a parallel electric bulb. _____ ----_____)
In 1907 American inventor Lee De Forest invented the three-electrode vacuum tube
In 1907 American inventor Lee De Forest invented the three-electrode vacuum tube
The following stores sell a vacuum tube. Walmart, Home Hardware, Rona, Totems, and much more. Some of the stores listed might not sell a vacuum tube depending where they are located. These stores are located in Canada.