Lecture 2 Introduction, OS History. objective of an operating system OS history no OS batch system multiprogramming multitasking. Operating System Objective. Hardware - central processing unit (CPU), memory, input/output (I/O) devices - provides basic computer resources Software OS
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OS makes the use of the computer easy and efficient
OS History, Feature Introduction
Phase 0 - no OS
One user at console
Phase 1 - Batch Systems
OS History (cont.)