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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 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 The history of the solving of these problems is the history of the computer That history is covered in this section, and links are provided to entries on many of the individuals and companies mentioned
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
computer summary | Britannica 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)
Software | Definition, Types, Facts | Britannica Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system The term was coined to differentiate these instructions from hardware—i e , the physical components of a computer system
Ada Lovelace | Biography, Computer, Facts | Britannica Why is Ada Lovelace famous? Ada Lovelace is considered the first computer programmer Even though she wrote about a computer, the Analytical Engine, that was never built, she realized that the computer could follow a series of simple instructions, a program, to perform a complex calculation
Alan Turing | Biography, Facts, Computer, Machine, Education, Death . . . Alan Turing was a British mathematician and logician, a major contributor to mathematics, cryptanalysis, computer science, and artificial intelligence He invented the universal Turing machine, an abstract computing machine that encapsulates the fundamental logical principles of the digital computer