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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 - History, Technology, Innovation | Britannica
    Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically ” Such a definition would owe its deceptiveness to a naive and narrow view of calculation as a strictly mathematical process
  • 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 First, the potential benefits to science and industry of being able to automate routine calculations were appreciated, as they had not been a century earlier
  • computer - Kids | Britannica Kids | Homework Help
    A computer is a device for working with information The information can be numbers, words, pictures, movies, or sounds Computer information is also called data
  • Personal computer (PC) | Definition, History, Facts | Britannica
    Personal computer, a digital computer designed for use by only one person at a time A typical personal computer assemblage consists of a central processing unit, which contains the computer’s arithmetic, logic, and control circuitry on an integrated circuit; computer memory; and various peripheral devices
  • Computer science | Definition, Types, Facts | Britannica
    Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information The discipline of computer science includes the study of algorithms and data structures and artificial intelligence
  • 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
  • Digital computer | Evolution, Components, Features | Britannica
    digital computer, any of a class of devices capable of solving problems by processing information in discrete form It operates on data, including magnitudes, letters, and symbols, that are expressed in binary code —i e , using only the two digits 0 and 1




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