What is a Computer? Definition, Components & Uses

A computer is an electronic device that can store, retrieve, process, and communicate data. It's made up of hardware components such as the central processing unit (CPU), memory, storage devices, input/output (I/O) devices, and software programs that control its operation. Computers are used for a variety of purposes, including personal and business computing, scientific research, education, entertainment, and communication. They have revolutionized the way people work, communicate, and access information.