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.
Malware (a portmanteau of the terms malicious and software) consists of computer viruses, spyware, computer worms, and other software capable of stealing devices’ data or running harmful code.
Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”
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.
The first digital computer designed with internal programming capacity was the “Baby,” constructed at Manchester in 1948. A program is prepared by first formulating a task and then expressing it in an appropriate computer language, presumably one suited to the application.
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 company did not enter the growing market for personal computers until 1981, when it introduced the IBM Personal Computer. This product achieved a major share of the market, but IBM was nevertheless unable to exercise its accustomed dominance as a maker of personal computers.
