A programming language, designed to facilitate the communication between human and computers, is a notation for describing computation in readable form.
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Registers in the control unit are used to keep track of the overall status of the program.
A data definition language can be used to define a database schema.
The control unit fetches instruction from memory and decodes them.
The World Wide Web is considered as the content of the Internet, which provides a variety of information by using a rich set of tools for managing and linking text, graphics, sound, and video.