Answered By: Gretchen Scronce
Last Updated: May 21, 2019     Views: 80

Here is the first paragraph of the entry from the Webster's New World Computer Dictionary:

A master control program that manages the computer’s internal functions, such as accepting keyboard input, and that provides a means to control the computer’s operations and file system. Typically, a computer’s operating system is automatically loaded into memory when the computer is powered on; this operation is called booting. (more)