the first personal computer was made available in 1979.
the first personal computer was made available in 1979.
when was the first personal computer made available?
1979
in 1953, william shockley left bell labs in a disagreement over the handling of the invention of the transistor. after returning to california institute of technology for a short while, in 1956 shockley moved to mountain view, california, and created shockley semiconductor laboratory. unlike many other researchers who used germanium as the semiconductor material, shockley believed that silicon was the better material for making transistors. shockley intended to replace the current transistor with a new three-element design (today known as the shockley diode), but the design was considerably more difficult to build than the "simple" transistor. in 1957, shockley decided to end research on the silicon transistor. as a result, the "traitorous eight" engineers left the company to form fairchild semiconductor. two of the original employees of fairchild semiconductor, robert noyce and gordon moore, would go on to found intel. in 1971, intel created the first microprocessor, the intel 4004. the next step in the silicon valley revolution occurred in march 1975, when the homebrew computer club in menlo park was created by students with an interest in technology and a desire to experiment with building home computers. steve wozniak, a founding member, built a home computer from a cheap microprocessor, and showed it to his fellow club members, who included his friend steve jobs. together, in steve job's garage in cupertino, wozniak and jobs formed apple computer. by 1976 apple's first personal computer, the apple i, was being sold.
history of santa clara county, california
the system utilizes private, segregated servers that are in the possession of the news organization. journalists use two usb flash drives and two personal computers to access securedrop data. the first personal computer accesses securedrop via the tor network, the journalist uses the first flash drive to download encrypted data from the internet. the second personal computer does not connect to the internet, and is wiped during each reboot. the second flash drive contains a decryption code. the first and second flash drives are inserted into the second personal computer, and the material becomes available to the journalist. the personal computer is shut down after each use.
securedrop