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

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

   Third-generation computers were offered well into the 1990s; for example the IBM ES9000 9X2 announced April 1994 [27] used 5,960 ECL chips to make a 10-way processor. [28] Other third-generation computers offered in the 1990s included the DEC VAX 9000 (1989), built from ECL gate arrays and custom chips, [29] and the Cray T90 (1995).

3. 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.

4. Electronic waste recycling - Wikipedia

   en.wikipedia.org/wiki/Electronic_waste_recycling

   Computer monitors are typically packed into low stacks on wooden pallets for recycling and then shrink-wrapped. [1]Electronic waste recycling, electronics recycling, or e-waste recycling is the disassembly and separation of components and raw materials of waste electronics; when referring to specific types of e-waste, the terms like computer recycling or mobile phone recycling may be used.

5. History of laptops - Wikipedia

   en.wikipedia.org/wiki/History_of_laptops

   The Compaq Portable folded up into a luggable case the size of a portable sewing machine, similar in size to the Osborne 1. The third model of this development, Compaq Portable II, featured high resolution graphics on its tube display. It was the first portable computer ready to be used on the shop floor, and for CAD and diagram display.

6. List of home computers - Wikipedia

   en.wikipedia.org/wiki/List_of_home_computers

   Homebuilt computer. List of home computers by video hardware classified by video interface. List of computers running CP/M contains a list of personal computers running CP/M. These were usually intended for small office use. List of Soviet computer systems includes many "home" systems as well as office and "big iron" systems.

7. Computer - Wikipedia

   en.wikipedia.org/wiki/Computer

   Computer. A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations ( computation ). Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks.