Presentation on theme: "By Mr. Abdalla A. Shaame. An operating system is a software component that acts as the core of a computer system. It performs various functions and."— Presentation transcript:
An operating system is a software component that acts as the core of a computer system. It performs various functions and is essentially the interface that connects your computer and its supported components. An interface between users and hardware - an environment "architecture” Provides information protection Gives each user a slice of the resources Acts as a control program.
Convenience ◦ Makes the computer more convenient to use Efficiency ◦ Allows computer system resources to be used in an efficient manner Ability to evolve ◦ Permit effective development, testing, and introduction of new system functions without interfering with service 3
1: Operating Systems Overview4 The Layers Of A System Program Interface Humans User Programs O.S. Interface O.S. Hardware Interface/ Privileged Instructions Disk/Tape/Memo ry