Computer Sytem

• A computer is an electronic device that handles information, or data.
• Computers have the capability to store, retrieve, and process data.
• Computers are used to type documents, send email, play games, and browse the Web.
• A computer is a machine that can be instructed to carry out series of arithmetic or logical operations automatically via computer programming.
• Modern computers have the capability to follow generalized sets of operations, called programs.
• Programs enable computers to perform an extremely wide range of tasks.
• A "complete" computer including the hardware, the operating system and peripherals required and used for "full" operation can be referred to as a computer system.
• This term may as well be used for a group of computers that are connected and work together, in particular a computer network or computer cluster.
• There are three major components of a computer system: Hardware Software Humanware.
• Hardware and software components co-exist to make up the actual computer, the humanware component adds in the human face to bring the complete computer into a functional and productive existence.
• Hardware, software, and humanware need each other in order to function as a complete computer.
• Hardware and software need the human factor in order to make input and connectivity possible.
• Computer hardware is a collective term used to define any of the physical components of an analog or digital computer. The term hardware separates the physical aspects of a computing device from software, which consists of written instructions that tell physical components what to do.
• Computer hardware can be categorized as having either internal or external