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Technology Throughout the Seventies
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Fourth Generation Computers with Chips
Fourth generation computers built with chips that use LSI (large scale integration) arrive. While the chips used in 1965 contained as many as 1,000 circuits, the LSI contains as many as 15,000. -
Floppy Disc
The Floppy Disc was made as an alternate hard disk, which were expensive. The floppy disk was made for a standard computer. -
Microproccessor
Dr. Ted Hoff of Intel Corporation develops a microprocessor, or micro programmable computer chip, the Intel 4004. -
PONG
Atari made the first computer game, Pong, and it was a huge hit across the world. It was found in many bars, arcades, or even homes. -
The Alitair
MITS, Inc advertises one of the first microcomputers, the Altair. It was sold in kits for less than $400.00. Even though it had no keyboard, no monitor, no permanent memory, and no software, 4,000 orders were taken in the first three months. -
Ethernet
Ethernet, the first local area network, was developed at Xerox PARC (Palo Alto Research Center) by Robert Metcalf. The LAN allows computers to communicate and share software, data, and peripherals. Initially designed to link minicomputers, Ethernet was extended to personal computers. -
Cray Super Computer
The first super-computer was made by the corporation Cray. The Cray-1 was installed at Los Alamos. -
MRI
The MRI scanner was invented and offered a more vivid picture of the patient than an x-ray. -
The Apple II Computer
Steve Jobs and Steve Wozniak build the first Apple computer. A subsequent version, the Apple II, is an immediate success. Adopted by elementary schools, high schools and colleges, for many students, the Apple II is their first contact with the world of computers. -
VisiCalc
VisiCalc, a spreadsheet program written by Bob Frankston and Dan Bricklin, is introduced. Originally written to run on Apple II computers, VisiCalc will be seen as the most important reason for the acceptance of personal computers in the business world.
