1. CGS 3763 Operating Systems Concepts Spring 2013
Dan C. Marinescu
Office: HEC 304
Office hours: M-Wd 11: :30 AM

2. Lecture 3 – Friday, January 11, 2013
Last time:
From abstract model to real systems.
What is an OS?
Today:
Operating Systems:
State and events
Event-driven-software
OS functions
Discussion of problems
Reading assignments:
Chapter 2 of the text book
The computer architecture material
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3. OS functions Program execution: Interrupt handling: Error handling:
Job sequencing:
Input/Output operations:
File system manipulation:
Scheduling:
Resource Allocation:
Accounting of computer resources:
Protection:
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