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2. History of personal computers - Wikipedia

   en.wikipedia.org/wiki/History_of_personal_computers

   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.

3. Market share of personal computer vendors - Wikipedia

   en.wikipedia.org/wiki/Market_share_of_personal...

   The annual worldwide market share of personal computer vendors includes desktop computers, laptop computers, and netbooks but excludes mobile devices, such as tablet computers that do not fall under the category of 2-in-1 PCs. The global market leader has been Lenovo in every year since 2013, followed by HP and Dell.

4. History of computing hardware (1960s–present) - Wikipedia

   en.wikipedia.org/wiki/History_of_computing...

   A different model of computer use was foreshadowed by the way in which early, pre-commercial, experimental computers were used, where one user had exclusive use of a processor. Some of the first computers that might be called "personal" were early minicomputers such as the LINC and PDP-8 , and later on VAX and larger minicomputers from Digital ...

5. List of early microcomputers - Wikipedia

   en.wikipedia.org/wiki/List_of_early_microcomputers

   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.

6. Refurbishment (electronics) - Wikipedia

   en.wikipedia.org/wiki/Refurbishment_(electronics)

   Refurbishment (electronics) In electronics, refurbishment is the practice of restoring and testing a pre-owned electronic device so that it can be re-sold. Refurbished electronics are therefore pre-owned electronic devices (usually smartphones, tablets, or laptops ), that have been tested by a reseller to confirm that they are fully working.

7. Digital Equipment Corporation - Wikipedia

   en.wikipedia.org/wiki/Digital_Equipment_Corporation

   Digital Equipment Corporation. Acquired by Compaq, after the divestiture of major assets. Digital Equipment Corporation ( DEC / dɛk / ), using the trademark Digital, was a major American company in the computer industry from the 1960s to the 1990s. The company was co-founded by Ken Olsen and Harlan Anderson in 1957.