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The planar process was developed by Noyce's colleague Jean Hoerni in early 1959, based on the silicon surface passivation and thermal oxidation processes developed by Mohamed M. Atalla at Bell Labs in the late 1950s. [4] [5] [6] Computers using IC chips began to appear in the early 1960s.
UK. US. Timex/Sinclair introduced the first computer touted to cost under $100 marketed in the U.S., the Timex Sinclair 1000. In spite of the flaws in the early versions, half a million units were sold in the first 6 months alone, surpassing the sales of Apple, Tandy, and Commodore combined. August 1982.
Software Running WordPerfect 5.0. Compaq's efforts were possible because IBM had used mostly off-the-shelf parts for the PC and published full technical documentation for it, and because Microsoft had kept the right to license MS-DOS to other computer manufacturers. The only difficulty was the BIOS, because it contained IBM's copyrighted code.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
According to the IEEE Annals of Computer History, the MCM/70 is the earliest commercial, non-kit personal computer. [12] IBM 5100. 1975. An early portable computer with integrated monitor; the 5100 was possibly one of the first portable microcomputers using a CRT display.
Legacy system. In 2011, MS-DOS was still used in some enterprises to run legacy applications, such as this US Navy food service management system. In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", [1] yet still in use.
SoftKey Software Products was the fastest growing company in Canada in 1992, with sales of $36.8 million and profit of $6.1 million. Its most profitable products were its tax-software and processing service. [6] By April 1995, SoftKey's stock was valued at $25.50, about 20 times the year's earnings. [22]
Microsoft is a developer of personal computer software. It is best known for its Windows operating system, the Internet Explorer and subsequent Microsoft Edge web browsers, the Microsoft Office family of productivity software plus services, and the Visual Studio IDE.
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