1981: The Osborne portable computer, open and ready for use.	Introduced in 1981, the IBM Personal Computer was an immediate success and quickly became the industry standard.	1984: Hewlett-Packard announces its first LaserJet printer, the company's most successful single product.
1984: Apple's first Mac, the Macintosh 128k.	Unveiled in 1982, the Compaq I is the first IBM PC clone to be over 99% compatible.	1987: Lightwave transceiver for digital fiber-optic communications from Mitsubishi.