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2. Xerox Alto - Wikipedia

   en.wikipedia.org/wiki/Xerox_Alto

   The Xerox Alto is a computer system developed at Xerox PARC (Palo Alto Research Center) in the 1970s. It is considered one of the first workstations or personal computers, and its development pioneered many aspects of modern computing.

3. Philips Computers - Wikipedia

   en.wikipedia.org/wiki/Philips_Computers

   Philips Telecommunicatie en Informatie Systemen (Philips Computers) was a subsidiary of Philips that designed and manufactured personal computers. [1] [2] Philips Computers was active from 1963 through 1992. [3]

4. Apple I - Wikipedia

   en.wikipedia.org/wiki/Apple_I

   The Apple Computer 1 (Apple-1 [a]), later known predominantly as the Apple I (written with a Roman numeral), [b] is an 8-bit motherboard-only personal computer designed by Steve Wozniak [5] [6] and released by the Apple Computer Company (now Apple Inc.) in 1976.

5. List of computer system manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_computer_system...

   Such systems may constitute personal computers (including desktop computers, portable computers, laptops, all-in-ones, and more), mainframe computers, minicomputers, servers, and workstations, among other classes of computing. The following is a list of notable manufacturers and

6. Compaq - Wikipedia

   en.wikipedia.org/wiki/Compaq

   In November 1982, Compaq announced their first product, the Compaq Portable, a portable IBM PC compatible personal computer. It was released in March 1983 at $2,995. The Compaq Portable was one of the progenitors of today's laptop; some called it a "suitcase computer" for its size and the look of its case.

7. Operating system - Wikipedia

   en.wikipedia.org/wiki/Operating_system

   Personal computer users who are not software developers or coders often prefer GUIs for both input and output; GUIs are supported by most personal computers. [130] The software to support GUIs is more complex than a command line for input and plain text output. Plain text output is often preferred by programmers, and is easy to support. [131]