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 1 Introduction Copyright 2008 Umakishore Ramachandran and William D Leahy Jr Whats Inside the Box Levels of Abstraction Hardware Software Interface From Electrons amp Holes to a Multiplayer Video Game. Principles and Practice. Tom Anderson. How This Course Fits in the UW CSE Curriculum. CSE 333: Systems Programming. Project experience in C/C++. How to use the operating system interface. CSE 451: Operating Systems. . C. ontents. What is an Operating System. ?. Operating System Objectives. Services Provided by the Operating System. . Functions of an Operating System on a Network. Types of Operating Systems. Simple Batch Systems. 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. Sequential Circuits. Ralph Grishman. September 2015. NYU. Time and Frequency. time = 1 / frequency. frequency = 1 / time. units of time. millisecond = 10. -3. second. microsecond = 10. -6. second. nanosecond = 10. J. Holvikivi 2013. Software Categories. System. Software. Application. Software. The Operating System. Operating. System. GUI. Operating Systems. 2.. 4. Algorithms – basis of software. A sequence of steps that directs the execution of a task. 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.. Chapter 7. Memory Management Techniques. ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr.. Review. Hardware. Designing a processor.. Processor instruction-set. Interrupts. Software. Using processor as resource. 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 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. Development of Computers. 1. st. Generation computers (1940-1956). Used vacuum tubes.. Vacuum tubes are electronic devices that control the flow of electrons.. Had no operating systems – the user programmed the computer by physically entering the computer and programming by hand. 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. Tom Anderson. How This Course Fits in the UW CSE Curriculum. CSE 333: Systems Programming. Project experience in C/C++. How to use the operating system interface. CSE 451: Operating Systems. How to make a single computer work reliably. Prof. . Smruti. R. . Sarangi. IIT Delhi. 1. What is computer architecture? . The study of computer processors and computer systems. 2. What does a computer do? . Almost everything: . . Financial calculations. ‹#›. 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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