- 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
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 - History, Technology, Innovation | Britannica
Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically ”
- Personal computer (PC) | Definition, History, Facts | Britannica
personal computer (PC), a digital computer designed for use by only one person at a time
- computer - Kids | Britannica Kids | Homework Help
Computer software is divided into two basic types—the operating system and application software The operating system controls how the different parts of hardware work together Application software gives the computer instructions for doing specific tasks, such as word processing or playing games
- 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
- 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—that is, using only the two digits 0 and 1
- 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
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