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  1. 氣壓升降電腦桌 - 購物搜尋結果

    更多 氣壓升降電腦桌 相關商品

  2. en.wikipedia.org › wiki › Atmospheric_pressureAtmospheric pressure - Wikipedia

    The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars, [1] 760 mm Hg, 29.9212 inches Hg, or 14.696 psi. [2] The atm unit is roughly equivalent to the mean sea-level atmospheric pressure on Earth; that is, the Earth's atmospheric pressure at sea level is ...

  3. en.wikipedia.org › wiki › Main_PageWikipedia, the free encyclopedia

    The Beulé Gate is a fortified gate leading to the Propylaia of the Acropolis of Athens, Greece.It was constructed largely of repurposed material taken from the 4th-century BCE Choragic Monument of Nikias and integrated into the Post-Herulian Wall, a late Roman fortification built around the Acropolis in the years following the city's sack by the Germanic Heruli people in 267 or early 268 CE.

  4. en.wikipedia.org › wiki › Computer_hardwareComputer hardware - Wikipedia

    Computer hardware. PDP-11 CPU board. Computer hardware comprises the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers.

  5. en.wikipedia.org › wiki › IBMIBM - Wikipedia

    IBM originated with several technological innovations developed and commercialized in the late 19th century. Julius E. Pitrap patented the computing scale in 1885; Alexander Dey invented the dial recorder (1888); Herman Hollerith patented the Electric Tabulating Machine (1889); and Willard Bundy invented a time clock to record workers' arrival and departure times on a paper tape (1889).

  6. en.wikipedia.org › wiki › Central_processing_unitCentral processing unit - Wikipedia

    For other uses, see CPU (disambiguation). A central processing unit ( CPU ), also called a central processor, main processor, or just processor, is the most important processor in a given computer. [1] [2] Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations.

  7. en.wikipedia.org › wiki › Computer_scienceComputer science - Wikipedia

    Computer science is the study of computation, information, and automation.[1][2][3] Computer science spans theoretical disciplines (such as algorithms, theory of computation, and information theory) to applied disciplines (including the design and implementation of hardware and software).[4][5][6] Algorithms and data structures are central to ...

  8. en.wikipedia.org › wiki › Artificial_intelligenceArtificial intelligence - Wikipedia

    Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and uses learning and intelligence to take actions that maximize their chances of achieving defined goals.