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The January 1975 issue of Popular Electronics featured Micro Instrumentation and Telemetry Systems's (MITS) Altair 8800 microcomputer.
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It was founded in 1974 in Nuevo Mexico, United States by Bill Gates and Paul Allen.
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It was founded in 1976 in California, United States by Steve Jobs, Ronald Wayne and Stephen Wozniak.
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Apple I personal computer kit, a computer single handedly designed by Wozniak.
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The Apple II, also invented by Wozniak, was introduced on April 16, 1977, at the first West Coast Computer Faire.
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Microsoft entered the OS business in 1980 with its own version of Unix, called Xenix.
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The company introduced the Apple III in May 1980 in an attempt to compete with IBM and Microsoft in the business and corporate computing market.
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It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s.
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Apple began working on the Apple Lisa in 1978.
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In 1984, Apple next launched the Macintosh. Its debut was announced by the now famous $1.5 million television commercial "1984".
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While jointly developing a new OS with IBM in 1984, OS/2 , Microsoft released Microsoft Windows , a graphical extension for MS-DOS, on November 20, 1985.
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The Macintosh Portable was introduced in 1989 and was designed to be just as powerful as a desktop Macintosh, but weighed a bulky 7.5 kilograms (17 lb) with a 12-hour battery life.
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In 1990, Microsoft introduced its office suite, Microsoft Office.
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On May 22 Microsoft launched Windows 3.0 with a streamlined user interface graphics and improved protected mode capability for the Intel 386 processor
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Apple introduced System 7, a major upgrade to the operating system which added color to the interface and introduced new networking capabilities.
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Apple introduced the Power Macintosh, the first of many Apple computers to use Motorola's PowerPC processor.
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The company released Windows 95on August 24, 1995, featuring pre-emptive multitasking, a completely new user interface with a novel start button, and 32-bit compatibility.
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Apple introduced the Apple Online Store, tied to a new build-to-order manufacturing strategy.[
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Apple introduced a new all-in-one computer reminiscent of the Macintosh 128K: the iMac.
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Mac OS X, based on NeXT's OPENSTEP and BSD Unix, was released on March 24, 2001 after several years of development.
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Microsoft released Windows XP, unifying the mainstream and NT lines under the NT codebase.
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On October 23 of the same year, Apple announced the iPod portable digital audio player, and started selling it on November 10.
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The company released the Xbox later that year, entering the game console market dominated by Sony and Nintendo.
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Apple's iTunes Store was introduced, offering online music downloads for $0.99 a song and integration with the iPod.
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Consumer sub-desktop computer and server, introduced in 2005.
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Consumer ultra-thin, ultra-portable notebook, introduced in 2008.
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Workstation desktop computer, introduced in 2006.
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Apple TV is a digital media player developed and sold by Apple Inc.
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Windows Vista, focused on features, security, and a redesigned user interface dubbed Aero.
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Phone is a line of smartphones designed and marketed by Apple Inc. It runs Apple's iOS mobile operating system.
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Windows 7's focus was on refining Vista with ease of use features and performance enhancements, rather than a large reworking of Windows.
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Apple introduced their much-anticipated media tablet, the iPad, running a modified version of iOS.
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As a result, in 2010, Microsoft revamped their aging flagship mobile operating system, Windows Mobile, replacing it with the new Windows Phone OS; along with a new strategy in the smartphone industry that has Microsoft working more closely with smartphone manufacturers, such as Nokia, and to provide a consistent user experience across all smartphones using Microsoft's Windows Phone OS.
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On October 26, 2012, Microsoft launched Windows 8 and the Microsoft Surface.
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Announced on May 21, 2013, it is the successor to the Xbox 360 and is the third console in the Xbox family.