- 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 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
- 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
- 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
- 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)
- Computer programming language | Types Examples | Britannica
Computer programming language, any of various languages for expressing a set of detailed instructions for a computer The earliest programming languages were assembly languages, not far removed from instructions directly executed by hardware
- Computer network | Definition Types | Britannica
A computer network consists of two or more computers that are connected to each other to communicate data electronically Two basic network types are local area networks (LANs) and wide area networks (WANs)
- 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
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