Computer history - 1975
Major computer events in 1975
Bill Gates and Paul Allen established Microsoft on April 4, 1975, after creating Altair BASIC. The program was later developed into Microsoft BASIC.
The first digital camera was invented by Steve Sasson, an engineer who worked for Kodak.
New computer products and services introduced in 1975
MITS ships one of the first PCs, the Altair 8800, with one kilobyte (KB) of memory. The computer was ordered as a mail-order kit for $439 or assembled for $621.
Bill Gates, Paul Allen, and Monte Davidoff announced Altair BASIC, designed for the Altair computer, on January 2, 1975. The language became the first computer programming language program for personal computers.
The first resistive touch screen was developed by George Samuel Hurst in 1975, but it wasn't produced and used until 1982.
The IBM 5100 became the first portable computer when released in September 1975. The computer weighed 55 pounds and had a five-inch CRT (Cathode Ray Tube) display, tape drive, 1.9 MHz PALM processor, 64 KB of RAM (Random-Access Memory), and cost from $9000 to $20,000.
In 1975, software developer Will Crowther wrote Colossal Cave Adventure, the first text adventure game.
IMS Associates began shipping its IMSAI 8080 computer kits on December 16, 1975.
IBM also announced the System/32 mid-range computer.
IBM released the Electronic "Selectric" Composer.
Computer and technology-related events in 1975
On January 1, 1975, the Altair computer was featured on the front of Popular Electronics magazine, making it almost instantly a huge success.
Gordon French hosts the first meeting of the Homebrew Computer Club in his garage on March 5, 1975.
Sony introduced the Betamax video cassette tape recorder on May 10, 1975.
A flight simulator demo was first shown in 1975.
IBM researcher and French mathematician Benoît Mandelbrot was the first to define fractal geometry in 1975.
The Byte Shop, one of the first computer stores, opened in California in 1975.
The Scheme programming language was introduced in 1975 by Guy Steele and Gerry Sussman at MIT's Artificial Intelligence lab.
Computer companies and organizations founded in 1975
Buffalo Technology was founded in 1975 by Makoto Maki.
EPSON entered the US market in 1975.
Expandor, Inc. was founded in 1975.
GTCO Calcomp was founded in 1975.
Inventec was founded in 1975.
Seasonic (officially incorporated as "Sea Sonic") was founded in 1975.
USENIX was founded in 1975.
Computer company events in 1975
Xerox exited the computer market on July 21, 1975.
Computer pioneers born in 1975
Molly Wood was born on May 23, 1975.
Marissa Mayer was born on May 30, 1975.
Nick Woodman was born on June 24, 1975.
Gina Trapani was born on September 19, 1975.
Bram Cohen was born on October 12, 1975.
Bill Kendrick was born in 1975.
David Litchfield was born in 1975.
Computer pioneer deaths in 1975
William Coolidge passed away on February 3, 1975 (Age: 101).
Christopher Strachey passed away on May 18, 1975 (Age: 59).
Niels Bech passed away in 1975 (Age: 55).
Stanley Gill passed away in 1975 (Age: 49).