What are the functions of the computer?

There are four basic functions of a computer. These include input, processing, output, and storage. Input includes entering data through the keyboard or other means, such as cameras or DVDs. Processing refers to the internal functions the computer uses to deal with the information that is entered into it and to transform it in different ways. Processing is the most vital function that computers carry out. Most computers have a control unit, random access memory unit, and arithmetic logic unit to carry out processing functions. Output refers to creating and displaying information for the user of the computer through visual display, printing, speakers, or other means. Finally, storage refers to saving data. Data can be stored in the central processing unit or in auxiliary units such as external hard drives.