PPT-Computer Systems An Integrated Approach to Architecture and Operating Systems

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Computer Systems An Integrated Approach to Architecture and Operating Systems: Transcript

Chapter 9 Memory Hierarchy Copyright 2008 Umakishore Ramachandran and William D Leahy Jr 9 Memory Hierarchy Up to now Reality Processors have cycle times of 1 ns Fast DRAM has a cycle time of 100 ns. Agenda. Enterprise Architecture . Implementation. Kansas: The Maturing Approach to . EA. Michigan: The Refreshing . Approach . to EA . California: The Bundling Approach to . EA. Patterns of EA . Implementation. Real Time OS. Batch OS. Time Sharing OS. Why do we have different Operating Systems . Common types of Operating Systems . The Operating System . The OS is responsible for all the functions of hardware and also software. Dr . Damitha. . Karunaratna. . University of Colombo school of computing. Topics to discuss. What is an operating system(OS)?. Main objectives of an OS. Main functions of an OS. Evolution of OS.. Introduction. Content from. Operating Systems in Depth Thomas w. . Doeppner. ©2011. Operating Systems Principles & Practices by Anderson and . Dahlin. . 2014. Tannenbaum 2015. Stallings 2015. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter 13. Fundamentals of Networking and Network Protocols. ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr.. 13.1 Preliminaries. Today a general purpose computer not connected to the "net" or some net is almost unthinkable.. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter 12. Multithreaded Programming and Multiprocessors. ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr.. 12 Multithreaded Programming and Multiprocessors. Is human activity sequential or parallel?. Operating systems (OS) can help computer users do many things, like managing and manipulating files and folders.. Operating systems also provide users the ability to control hardware components of a computer and its peripheral devices, like printers and scanners.. Chapter 3 Operating Systems Concepts 1 A Computer Model An operating system has to deal with the fact that a computer is made up of a CPU, random access memory (RAM), input/output (I/O) devices, and long-term storage. Computer Systems An Integrated Approach to Architecture and Operating Systems Chapter 11 File System ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr. My file 11.1 Attributes Attributes Computer Systems An Integrated Approach to Architecture and Operating Systems Chapter 10 Input/Output and Stable Storage ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr. 10.1 Communication between the CPU and the I/O devices By: Lecturer . Raoof. . Talal. 1.1 What are the Operating Systems. ?. An . operating system . is a program that manages the computer hardware. It also acts as an intermediary between the computer user and the computer hardware. ‹#›. ICS 143A - Principles of . Operating Systems . (Spring 20. 20. ). Lecture 1 - Introduction and Overview. MWF 11. :00- . 11:50. . a. .m.. Prof. Nalini Venkatasubramanian. ( . nalini@uci.edu.

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