1946
The first RAM was the Williams-Killburn tube CRT memory in the late 1940s.
John Flamsteed invented the first test tube.
Lee De Forest invented the electron tube in 1906.
The IBM 701 vacuum tube computer was announced May 21, 1952. It had 2K words 36 bits long (~9K bytes) of Williams Tube CRT DRAM.
The cathode ray tube was invented in 1897 by Ferdinand Braun.
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
In 1850 dr.Washington
timothy bohannon
DobbHoff feeding tube was invented in 1976 by 2 surgeons Dr. Robert Dobbie and Dr. Hoffmeister - and so named after them.
he invented the helicopter.what does he invent
Williams tube CRT DRAM