Tugas Pertemuan 10 Operating System Support

 

Operating System  Support

·         Objectives and Functions

zConvenience

yMaking the computer easier to use

zEfficiency

yAllowing better use of computer resources

 

·         Layers and Views of a  Computer System

 

 

·         Operating System Services

zProgram creation

zProgram execution

zAccess to I/O devices

zControlled access to files

zSystem access

zError detection and response

zAccounting

·         Types of Operating System

Interactive

zBatch

zSingle program (Uni-programming)

zMulti-programming (Multi-tasking)

 

·         Scheduling

Key to multi-programming

zLong term

zMedium term

zShort term

zI/O