Oct 17, 2025 · 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 …

Oct 15, 2025 · Computer security, the protection of computer systems and information from harm, theft, and unauthorized use. Computer hardware is typically protected by serial numbers, doors and locks, …

Aug 30, 2025 · Application software is distinguished from system software, which controls a computer’s internal functioning, chiefly through an operating system, and also controls such peripherals as …

Oct 17, 2025 · 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 …

Oct 11, 2025 · Abacus, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer. The abacus was in …

Oct 20, 2025 · 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, …

Bill Gates (born October 28, 1955, Seattle, Washington) is an American computer programmer and entrepreneur who cofounded Microsoft Corporation, the world’s largest personal-computer software …

Oct 17, 2025 · 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 …

Oct 17, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information.

2 days ago · personal computer (PC), a digital computer designed for use by only one person at a time.