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Computer | Definition, History, Operating Systems, Facts | Britannica A computer is a programmable device for processing, storing, and displaying information Learn more in this article about modern digital electronic computers and their design, constituent parts, and applications as well as about the history of computing
Computer - Technology, Invention, History | Britannica Computer - Technology, Invention, History: By the second decade of the 19th century, a number of ideas necessary for the invention of the computer were in the air
What is a computer? | Britannica A computer is a machine that can store and process information Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information
computer summary | Britannica Database, any collection of data, or information, that is specially organized for rapid search and retrieval by a computer Databases are structured to facilitate the storage, retrieval, modification, and deletion of data in conjunction with various data-processing operations
Computer - Memory, Storage, Processing | Britannica Computer - Memory, Storage, Processing: The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and cathode-ray tubes, which stored data as charges on the tubes’ screens
Computer - History, Technology, Innovation | Britannica It is not too great a stretch to say that, in the Jacquard loom, programming was invented before the computer The close relationship between the device and the program became apparent some 20 years later, with Charles Babbage’s invention of the first computer
Hacker | Definition, Types, Word Origin | Britannica The first computer hackers were MIT students during the 1950s and ’60s The word hack in this case was slang for a shortcut—something for which computer-science students at MIT were always searching Computers were expensive to run, so a programming shortcut saved time and money
Graphics processing unit (GPU) | Definition, Applications, History . . . Technology made to render 3-D graphics and video had been used for decades before the GPU was invented The first electronic stored-program computer, the Small Scale Experimental Machine (or, more informally, “Manchester Baby”) was created in 1948 and displayed images with a cathode-ray tube