Computer Hardware Servicing

A Guide to Managing and Maintaining Your PC, 7e Chapter 2 Introducing Operating Systems. - ppt download A+ Guide to Managing and Maintaining Your PC, 7e3 Operating Systems Past And Present Operating system (OS) software –Controls a computer OS services –Manages hardware –Runs applications –Provides an interface for users –Retrieves and manipulates files OS acts as a “middleman” Computer needs only one...