CIS 3110- Final Exam Guide - Comprehensive Notes for the exam ( 52 pages long!)

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 3110
• Professor: Xining Li

Document Summary

Os are the most complex pieces of software ever developed. Introduction of new system functions w/out interfering with the service. Software: arithmetic/allocation errors , accessing forbidden memory locations. Os executes the same way as a regular computer software. Difference: it manages resources, and schedules processors to execute programs. Portion of os that is in the main memory. Run from a console with lights and switches. Includes loading the compiler, source program, saving compiled program, and loading and linking. Resident monitor is in main memory and available for execution. Do not allow the memory area containing the monitor to be altered. Allows users to interact at the same time. Share the same main memory and i/o facilities. Provides the illusion of a single main memory and single secondary memory space. A series of levels-each level performs a related subset of functions. Each level relies on the next lower level for more primitive functions.