- 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
The mill was the calculating unit, analogous to the central processing unit (CPU) in a modern computer; the store was where data were held prior to processing, exactly analogous to memory and storage in today’s computers; and the reader and printer were the input and output devices
- What is a computer? | Britannica - Encyclopedia 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
computer, Programmable machine that can store, retrieve, and process data A computer consists of the central processing unit (CPU), main memory (or random-access memory, RAM), and peripherals (e g , a keyboard, a printer, disc drives)
- 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
A computer system requires both hardware and software Hardware is the computer’s physical parts Software is the programs, or instructions, that tell the hardware what to do
- 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 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
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