2024年12月20日 · 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.

2024年12月20日 · 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.

2024年12月20日 · 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.

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.

4 天之前 · Computer science, 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.

2025年1月6日 · 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, 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).

Computers have proved to be valuable educational tools. Computer-assisted instruction (CAI) uses computerized lessons that range from simple drills and practice sessions to complex interactive tutorials.

2025年1月7日 · Mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. Mainframes have been used for such applications as payroll computations, accounting, business transactions, information retrieval, airline seat

2025年1月13日 · Ada Lovelace, English mathematician, an associate of Charles Babbage, for whose digital computer prototype, the Analytical Engine, she created a program in 1843. She has been called the first computer programmer.