COSC 111 Chapter Notes - Chapter 7: Spooling, Sleep Mode, Defragmentation
9 Dec 2014
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Document Summary
System software: consists of the programs that control or maintain the operations of the computer and its devices. System software serves as an interface between the user, the application software, and the computers hardware. 2 types of system software: operating systems and utility programs. Operating systems: a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources. An operating system can run from an optical disc and/or flash memory mobile media, the system is installed and resides on the computers hard disk. Handheld computers/ mobile devices: operating system reside on rom chip. Operating system that a computer uses sometimes is called the platform. Cross- platform program: one that runs the same on multiple operating systems. Functions of an operating system: starting and shutting down a computer: Booting: the process of starting or restarting a computer. Cold boot: when turning one a computer that has been powered off completely.
