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General Electric. RCA. Some examples of 1960s second generation computers from those vendors are: the IBM 1401, the IBM 7090/7094, and the IBM System/360; the Burroughs 5000 series; the UNIVAC 1107; the NCR 315; the CDC 1604 and the CDC 3000 series; the Honeywell 200, Honeywell 400, and Honeywell 800;
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.
Most modern laptops include a built-in webcam and microphone, and many also have touchscreens. Hardware specifications may vary significantly between different types, models, and price points . Design elements, form factors, and construction can also vary significantly between models depending on the intended use.
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.
List of vacuum-tube computers. EDSAC. Vacuum-tube computers, now called first-generation computers, [ 1] are programmable digital computers using vacuum-tube logic circuitry. They were preceded by systems using electromechanical relays and followed by systems built from discrete transistors. Some later computers on the list had both vacuum ...
The OLPC XO-3 was scheduled for release in late 2012. It was canceled in favor of the XO-4. It featured one solid color multi-touch screen design, and a solar panel in the cover or carrying case. The XO 4 is a refresh of the XO 1 to 1.75 with a later ARM CPU and an optional touch screen.
The researchers found an association between tablet use at 3.5 years and an increase in anger and frustration at age 4.5 years. They noted that the association between tablet use and anger was ...
Windows Calculator. Windows Calculator is a software calculator developed by Microsoft and included in Windows. In its Windows 10 incarnation it has four modes: standard, scientific, programmer, and a graphing mode. The standard mode includes a number pad and buttons for performing arithmetic operations. The scientific mode takes this a step ...
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