PowerBook

The PowerBook is a laptop computer line manufactured by Apple Computer; a portable version of the Macintosh aimed at the professional market. Since 1999, Apple has sold a second line of less expensive laptops, aimed at the consumer and education markets, the iBook.

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Before the first PowerBooks were released, Apple was widely believed to have missed out on a lucrative market segment, especially with the release of Microsoft Windows 3.0 in 1990. Intel 80286- and 386sx-based laptops were becoming increasingly powerful, sophisticated, and affordable from 1989 to 1991.

Computer: A computer is a device or for processing information from data according to a program — a compiled list of instructions. The information to be processed may represent numbers, text, pictures, or sound, amongst many other types....

Apple Computer: Apple Computer, Inc. is a Silicon Valley company based in Cupertino, California, whose core business is computer technologies. Apple helped commence the personal computer revolution in the 1970s with the Apple II microcomputer and has since further shaped it with the Macintosh. Apple is known for i...

Macintosh: Macintosh can refer to:...