2025年8月25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.

2025年8月25日 · 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 …

2025年8月25日 · 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.

2025年8月25日 · 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.

2025年8月15日 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information.

2025年7月27日 · personal computer (PC), a digital computer designed for use by only one person at a time.

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.

2025年8月25日 · Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors. They were operated by specialized technicians, who often dressed in white lab coats and were commonly referred to as a computer priesthood.

2025年7月30日 · 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.

2025年8月11日 · 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.