The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

An operating system that is designed to work in a computer that processes 64 bits at a time. Most personal computers today are 64-bit, and mobile devices are expected to begin using 64-bit CPUs in the ...

Windows is probably the most consequential software ever created. It for nearly four decades, it has run the computers that we use to learn, create, defend our country, heal the sick, and look at ...