to IBM's enterprise systems, produce a new object-oriented operating system, and develop common multimedia standards. The result is the PowerPC microprocessor.1992With an estimated 25 million users, the Internet becomes the world's largest electronic mail network.In Apple Computer's five-year copyright infringement lawsuit, Judge Vaughn Walker rules in favor of defendants Microsoft and Hewlett-Packard, finding that the graphical user interface in dispute is not covered under Apple's copyrights.Microsoft ships the Windows 3.1 operating environment, including improved memory management and TrueType fonts.IBM introduces its ThinkPad laptop computer.1993Mosaic, a point-and-click graphical Web browser, is developed at the National Center for Supercomputing Applications (NCSA), making the Internet accessible to those outside the scientific community.Intel, mixing elements of its 486 design with new processes, features, and technology, delivers the long-awaited Pentium processor. It offers a 64-bit data path and more than 3.1 million transistors.Apple Computer expands its entire product line, adding the Macintosh Color Classic, Macintosh LC III, Macintosh Centris 610 and 650, Macintosh Quadra 800, and the Powerbooks 165c and 180c.Apple introduces the Newton MessagePad at the Macworld convention, selling 50,000 units in the first ten weeks.Microsoft ships the Windows NT operating system.IBM ships its first RISC-based RS/6000 workstation, featuring the PowerPC 601 chip developed jointly by Motorola, Apple, and IBM. 1994Apple introduces the Power Macintosh line of microcomputers based on the PowerPC chip. This line introduces RISC to the desktop market. RISC was previously available only on high-end workstations.Netscape Communications releases the Netscape Navigator program, a World Wide Web browser based on the Mosaic standard, but with more advanced features. Online service providers CompuServe, America Online, and Prodigy add Internet access ...
