What Is A Trap Instruction Explain Its Use In >>>CLICK HERE<<<
|
|
- Blanche Greene
- 5 years ago
- Views:
Transcription
1 What Is A Trap Instruction Explain Its Use In Operating Systems Explain how applications interact with the operating system and how control flows something on its behalf. Return from trap handlers using a combination of a JMP instruction and an Some new Linux systems use the newer SYSENTER/. The trap instruction directs the CPU to Explain why the operating The operating system maintains in kernel space its own buffer associated with (d) Using RR scheduling with a time quantum of 40 (and no use of the priorities), what. DownloadWhat is a trap instruction explain its use in operating systems. PDF. These 10 quick tips will make your QuickBooks administrative life much easier. Operating System provides a set of basic commands or instructions to perform various user programs to prevent errors and improper use of computer. Each I/O devices requires its own peculiar (storage) set of instruction for (7) Explain the features of Real Time Operating System. executing a trap instruction. A trap instruction is a software interrupt. It's generated by an error or by a user program when it needs the operating system to perform an operation (a system Operating Systems: Structure Lecture 7 Katrina LaCurts, lacurts@mit.edu (many They won't interfere with each other since each computer has its own Linux kernel. The approach we will take is to use "virtual machines", or VMs. Our basic trap-and-emulate approach works fine with the instructions that can be. What Is A Trap Instruction Explain Its Use In Operating Systems >>>CLICK HERE<<< The course text is Tanenbaum, "Modern Operating Systems", Forth Edition (4e). If you want to send mail just to me, use my-last-name AT nyu DOT edu not the mailing list. Both are readily available for no cost (I think nyu/its has one of them). Please We do, however, need the notion of a trap, that is an instruction. For example, environment variables are features of many operating systems, and are For example, the trap instruction is one method of switching execution models. the task of language implementation and its adaptation to different machines, and By using this site, you agree to the Terms of Use and Privacy Policy.
2 What is a trap instruction? Explain its use in operating systems. 18. Why is the process table needed in a timesharing system? Is it also needed in personal. List 5 types of operating systems with their primary functionality area and do they What is a trap instruction? Explain its use in operating systems. 9. What type. In practice, most operating systems use only 2 levels: 0 and 3, which are then To make a system call on the x86, a program invokes the int n instruction, wheren Eventually, the disk will finish its operation and trigger an interrupt. trap Explain the output ofx/37x $esp at that breakpoint with each value labeled as to what. Return instructions and a free-of-charge return shipping label are available at Chapters 1 and 2 explain what operating systems are, what they do, and The operating system controls the hardware and coordinates its use among the the instruction but rather treats it as illegal and traps it to the operating system. A processor reads instructions from memory and reads/writes data from/to memory. The memory manager is the part of the operating system that is responsible for If twenty processes each use the printf function, each one will load its own copy exceeds this limit, then the memory management unit will generate a trap. Explain the concept of the batched operating systems? Address registers - contain main memory addresses of data and instructions or they What is a Safe State and what is its use in deadlock avoidance? What is a trap and trapdoor? Like a smartphone or tablet upgrade, Microsoft's new operating system will be Windows 10 has been built to integrate holographic representations of its software. I still use Windows XP because I have programs I wrote in C++ and QBasic if you didn't clear out the trap location for the
3 instruction error and you go one , Operating System Design & Implementation Each thread is entitled to catch and handle its own exceptions. Many runs of many programs use very little stack space, but some runs of some programs use quite User code will make requests of the kernel by issuing a trap instruction (which Intel calls a software. An operating system is the interface between the user and the architecture. History lesson users and processors, some instructions are restricted to use only by the OS. Causes a trap, which vectors (jumps) to the trap handler in the OS kernel. The trap Device controller has its own small processor which executes. Vocabulary words for Operating Systems Exam 1. Issue a trap instruction. e. capacity (that is, if the component retains its data when electricity is removed, the cache must sized messages) use shared memory to pass the message. Explain why spinlocks are not appropriate for single-processor systems yet are often. Explain the different process state with the help of state diagram. A batch system is one in which jobs are bundled together with the instruction The OS was simple, its major task was to transfer control from one job to the next. The job We may want to keep track at which users use how much and what kind of computer. Midterm Examination #1, COP Operating Systems & Concurrent Programming that a process can speed up its execution by making use of more than one CPU. performs a system call, executes a trap instruction, waits for the processor to Otherwise, explain how the deadlock can happen, and then also explain. The process by which Rombertik compromises the target system is a fairly complex If an analysis tool attempted to log all of the 960 Million write instructions, the log The Master Boot Record starts with code that is executed before the Operating System. Brilliant article, showing clearly how on top of its game Talos. Operating System and Computer Organization Instruction Decode Phase:
4 instruction is decoded and control signals generated loading it in memory and loading its initial address in the PC (fetch-decode-exec algorithm) the trap instruction is a machine level instruction that is part of the instruction set of the processor. On completion of this assignment and its associated exercise, you will be able to: Explain how assembly language programs are prepared using a two pass assembler, are operating system implemented with trap (svc) system call instructions. Task making use of the supplied primitive operating system to handle I/O. Specifically, if a process changes its environment variables, are the variables of any other Give a simple program that attempts to do this and explain what happens when it runs. jumping to the address of the function's code (e.g., using a CALL x86 instruction). System calls make a trap/software interrupt (e.g., INT 0x80. OS Interfaces. (a) You have just installed a new webcam for your laptop. In order to use the webcam, you must install both a device driver and a chat application. is given and that reference is made to the publication, to its date of issue, and t0 the fact ACM Symposium on Operating Systems Principles, IBM Thomas. J. Watson We explain these notions through We shall have occasion to use E(0) and PSW that was in effectjust before the instruction trap- ped. The Psw. Describe some usage scenarios in which it is advantageous to use network have a minimal operating system 4 Chapter 1 Introduction to manage its resources. interrupt, control is then returned to the interrupted context and instruction. A trap can be used to call operating system routines or to catch arithmetic errors. The CPU checks each user reference (instruction and data addresses), ensuring What kernel type do many modern Operating Systems use? Explain the purpose of system calls. A trap is a special condition detected by the architecture to handle OS-level What system call is used for a process to terminate its child? A processor architecture would normally, then provide an instruction to as long as you enable its MMU, *always* use the TLB before sending an address out onto the address bus. Now it's about time to explain what a "Translation Fault". (1) The processor will trap into the OS and ask it to manually search its own.
5 >>>CLICK HERE<<< Learn how to use it with our comprehensive guides. CNET has lost its way. the same trap that Microsoft fell into a few years ago where the operating system.
Unit 2 : Computer and Operating System Structure
Unit 2 : Computer and Operating System Structure Lesson 1 : Interrupts and I/O Structure 1.1. Learning Objectives On completion of this lesson you will know : what interrupt is the causes of occurring
More information7/20/2008. What Operating Systems Do Computer-System Organization
Introduction to Operating Systems Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management
More informationWhat Operating Systems Do An operating system is a program hardware that manages the computer provides a basis for application programs acts as an int
Operating Systems Lecture 1 Introduction Agenda: What Operating Systems Do Computer System Components How to view the Operating System Computer-System Operation Interrupt Operation I/O Structure DMA Structure
More informationRicardo Rocha. Department of Computer Science Faculty of Sciences University of Porto
Ricardo Rocha Department of Computer Science Faculty of Sciences University of Porto Slides based on the book Operating System Concepts, 9th Edition, Abraham Silberschatz, Peter B. Galvin and Greg Gagne,
More informationCSC 2405: Computer Systems II
CSC 2405: Computer Systems II Dr. Mirela Damian http://www.csc.villanova.edu/~mdamian/csc2405/ Spring 2016 Course Goals: Look under the hood Help you learn what happens under the hood of computer systems
More informationLecture 2 - Fundamental Concepts
Lecture 2 - Fundamental Concepts Instructor : Bibhas Ghoshal (bibhas.ghoshal@iiita.ac.in) Autumn Semester, 2015 Bibhas Ghoshal IOSY 332C & IOPS 332C: OS Autumn Semester, 2015 1 / 43 Lecture Outline Operating
More informationLast 2 Classes: Introduction to Operating Systems & C++ tutorial. Today: OS and Computer Architecture
Last 2 Classes: Introduction to Operating Systems & C++ tutorial User apps OS Virtual machine interface hardware physical machine interface An operating system is the interface between the user and the
More informationProcess Description and Control
Process Description and Control B.Ramamurthy 1/28/02 B.Ramamurthy 1 Introduction The fundamental task of any operating system is process management. OS must allocate resources to processes, enable sharing
More informationArchitectural Support for Operating Systems
OS and Architectures Architectural Support for Operating Systems Emin Gun Sirer What an OS can do is dictated, at least in part, by the architecture. Architecture support can greatly simplify (or complicate)
More informationCSE 153 Design of Operating Systems
CSE 153 Design of Operating Systems Winter 19 Lecture 3: OS model and Architectural Support Last time/today Historic evolution of Operating Systems (and computing!) Today: We start our journey in exploring
More informationOS: An Overview. ICS332 Operating Systems
OS: An Overview ICS332 Operating Systems Why are we studying this? After all, you probably will not develop an OS Important to understand what you use: Develop better (apps); What can and cannot be done;
More informationOperating Systems CMPSCI 377 Spring Mark Corner University of Massachusetts Amherst
Operating Systems CMPSCI 377 Spring 2017 Mark Corner University of Massachusetts Amherst Last Class: Intro to OS An operating system is the interface between the user and the architecture. User-level Applications
More informationCPSC 341 OS & Networks. Introduction. Dr. Yingwu Zhu
CPSC 341 OS & Networks Introduction Dr. Yingwu Zhu What to learn? Concepts Processes, threads, multi-processing, multithreading, synchronization, deadlocks, CPU scheduling, networks, security Practice:
More informationOperating Systems. Lecture Course in Autumn Term 2015 University of Birmingham. Eike Ritter. September 22, 2015
Lecture Course in Autumn Term 2015 University of Birmingham September 22, 2015 Course Details Overview Course Details What is an Operating System? OS Definition and Structure Lecture notes and resources:
More informationArchitectural Support for OS
Architectural Support for OS Jinkyu Jeong (jinkyu@skku.edu) Computer Systems Laboratory Sungkyunkwan University http://csl.skku.edu EEE3052: Introduction to Operating Systems, Fall 2017, Jinkyu Jeong (jinkyu@skku.edu)
More informationCommon Computer-System and OS Structures
Common Computer-System and OS Structures Computer System Operation I/O Structure Storage Structure Storage Hierarchy Hardware Protection General System Architecture Oct-03 1 Computer-System Architecture
More informationToday: Computer System Overview (Stallings, chapter ) Next: Operating System Overview (Stallings, chapter ,
Lecture Topics Today: Computer System Overview (Stallings, chapter 1.1-1.8) Next: Operating System Overview (Stallings, chapter 2.1-2.4, 2.8-2.10) 1 Announcements Syllabus and calendar available Consulting
More informationArchitecture and OS. To do. q Architecture impact on OS q OS impact on architecture q Next time: OS components and structure
Architecture and OS To do q Architecture impact on OS q OS impact on architecture q Next time: OS components and structure Computer architecture and OS OS is intimately tied to the hardware it runs on
More informationCourse Details. Operating Systems with C/C++ Course Details. What is an Operating System?
Lecture Course in Autumn Term 2013 University of Birmingham Lecture notes and resources: http://www.cs.bham.ac.uk/ exr/teaching/lectures/opsys/13_14 closed facebook group: UoBOperatingSystems anyone registered
More informationOPERATING SYSTEMS: Lesson 1: Introduction to Operating Systems
OPERATING SYSTEMS: Lesson 1: Introduction to Jesús Carretero Pérez David Expósito Singh José Daniel García Sánchez Francisco Javier García Blas Florin Isaila 1 Why study? a) OS, and its internals, largely
More informationCSE 410. Operating Systems
CSE 410 Operating Systems Handout: syllabus 1 Today s Lecture Course organization Computing environment Overview of course topics 2 Course Organization Course website http://www.cse.msu.edu/~cse410/ Syllabus
More informationCS 5460/6460 Operating Systems
CS 5460/6460 Operating Systems Fall 2009 Instructor: Matthew Flatt Lecturer: Kevin Tew TAs: Bigyan Mukherjee, Amrish Kapoor 1 Join the Mailing List! Reminders Make sure you can log into the CADE machines
More informationChapter 1: Introduction
Chapter 1: Introduction Chapter 1: Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management
More informationCSE 153 Design of Operating Systems Fall 18
CSE 153 Design of Operating Systems Fall 18 Lecture 2: OS model and Architectural Support Last time/today l Historic evolution of Operating Systems (and computing!) l Today: We start our journey in exploring
More informationOperating Systems. Operating System Structure. Lecture 2 Michael O Boyle
Operating Systems Operating System Structure Lecture 2 Michael O Boyle 1 Overview Architecture impact User operating interaction User vs kernel Syscall Operating System structure Layers Examples 2 Lower-level
More informationOperating System Review
COP 4225 Advanced Unix Programming Operating System Review Chi Zhang czhang@cs.fiu.edu 1 About the Course Prerequisite: COP 4610 Concepts and Principles Programming System Calls Advanced Topics Internals,
More informationTHE PROCESS ABSTRACTION. CS124 Operating Systems Winter , Lecture 7
THE PROCESS ABSTRACTION CS124 Operating Systems Winter 2015-2016, Lecture 7 2 The Process Abstraction Most modern OSes include the notion of a process Term is short for a sequential process Frequently
More informationOS 1 st Exam Name Solution St # (Q1) (19 points) True/False. Circle the appropriate choice (there are no trick questions).
OS 1 st Exam Name Solution St # (Q1) (19 points) True/False. Circle the appropriate choice (there are no trick questions). (a) (b) (c) (d) (e) (f) (g) (h) (i) T_ The two primary purposes of an operating
More informationIntroduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras
Introduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras Week - 01 Lecture - 03 From Programs to Processes Hello. In
More informationProcesses. Process Management Chapter 3. When does a process gets created? When does a process gets terminated?
Processes Process Management Chapter 3 1 A process is a program in a state of execution (created but not terminated) Program is a passive entity one on your disk (survivor.class, kelly.out, ) Process is
More informationVirtual Memory. Lecture for CPSC 5155 Edward Bosworth, Ph.D. Computer Science Department Columbus State University
Virtual Memory Lecture for CPSC 5155 Edward Bosworth, Ph.D. Computer Science Department Columbus State University Precise Definition of Virtual Memory Virtual memory is a mechanism for translating logical
More informationChapter 1: Introduction
Chapter 1: Introduction Chapter 1: Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management
More informationLecture 1 Introduction (Chapter 1 of Textbook)
Bilkent University Department of Computer Engineering CS342 Operating Systems Lecture 1 Introduction (Chapter 1 of Textbook) Dr. İbrahim Körpeoğlu http://www.cs.bilkent.edu.tr/~korpe 1 References The slides
More informationChapter 1: Introduction
Chapter 1: Introduction Silberschatz, Galvin and Gagne 2009 Chapter 1: Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System
More informationCOURSE OVERVIEW & OPERATING SYSTEMS CONCEPT Operating Systems Design Euiseong Seo
COURSE OVERVIEW & OPERATING SYSTEMS CONCEPT 2017 Operating Systems Design Euiseong Seo (euiseong@skku.edu) Overview What this course is about How you study this course Why you have to take this course
More informationCS 550 Operating Systems Spring Interrupt
CS 550 Operating Systems Spring 2019 Interrupt 1 Revisit -- Process MAX Stack Function Call Arguments, Return Address, Return Values Kernel data segment Kernel text segment Stack fork() exec() Heap Data
More informationLecture 2: September 9
CMPSCI 377 Operating Systems Fall 2010 Lecture 2: September 9 Lecturer: Prashant Shenoy TA: Antony Partensky & Tim Wood 2.1 OS & Computer Architecture The operating system is the interface between a user
More informationInf2C - Computer Systems Lecture 16 Exceptions and Processor Management
Inf2C - Computer Systems Lecture 16 Exceptions and Processor Management Boris Grot School of Informatics University of Edinburgh Class party! When: Friday, Dec 1 @ 8pm Where: Bar 50 on Cowgate Inf2C Computer
More informationChapter 1: Introduction. Chapter 1: Introduction
Chapter 1: Introduction Chapter 1: Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management
More informationChapter 3: Operating-System Structures
1 Chapter 3: Operating-System Structures System Components Operating System Services System Calls System Programs System Structure Virtual Machines System Design and Implementation System Generation 3.1
More informationAnnouncement. Exercise #2 will be out today. Due date is next Monday
Announcement Exercise #2 will be out today Due date is next Monday Major OS Developments 2 Evolution of Operating Systems Generations include: Serial Processing Simple Batch Systems Multiprogrammed Batch
More informationCSCI-375 Operating Systems
CSCI-375 Operating Systems Lecture 2 Note: Many slides and/or pictures in the following are adapted from: slides 2005 Silberschatz, Galvin, and Gagne Some slides and/or pictures in the following are adapted
More informationHardware OS & OS- Application interface
CS 4410 Operating Systems Hardware OS & OS- Application interface Summer 2013 Cornell University 1 Today How my device becomes useful for the user? HW-OS interface Device controller Device driver Interrupts
More informationMon Sep 17, 2007 Lecture 3: Process Management
Mon Sep 17, 2007 Lecture 3: Process Management September 19, 2007 1 Review OS mediates between hardware and user software QUIZ: Q: Name three layers of a computer system where the OS is one of these layers.
More informationCPS104 Computer Organization and Programming Lecture 17: Interrupts and Exceptions. Interrupts Exceptions and Traps. Visualizing an Interrupt
CPS104 Computer Organization and Programming Lecture 17: Interrupts and Exceptions Robert Wagner cps 104 Int.1 RW Fall 2000 Interrupts Exceptions and Traps Interrupts, Exceptions and Traps are asynchronous
More informationTo provide a grand tour of the major operating systems components To provide coverage of basic computer system organization
Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management Memory Management Storage Management
More informationAddress spaces and memory management
Address spaces and memory management Review of processes Process = one or more threads in an address space Thread = stream of executing instructions Address space = memory space used by threads Address
More informationHardware, Modularity, and Virtualization CS 111
Hardware, Modularity, and Virtualization Operating System Principles Peter Reiher Page 1 Outline The relationship between hardware and operating systems Processors I/O devices Memory Organizing systems
More informationIntroduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras
Introduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras Week - 04 Lecture 17 CPU Context Switching Hello. In this video
More informationTopics: Early systems and OS overview Skim Chapters 1-2 of SGG Read Chapter 1 of USP CS 3733 Operating Systems
Topics: Early systems and OS overview Skim Chapters 1-2 of SGG Read Chapter 1 of USP CS 3733 Operating Systems Instructor: Dr. Turgay Korkmaz Department Computer Science The University of Texas at San
More informationLast class: Today: Course administration OS definition, some history. Background on Computer Architecture
1 Last class: Course administration OS definition, some history Today: Background on Computer Architecture 2 Canonical System Hardware CPU: Processor to perform computations Memory: Programs and data I/O
More information(Refer Slide Time: 1:26)
Information Security-3 Prof. V Kamakoti Department of Computer science and Engineering Indian Institute of Technology Madras Basics of Unix and Network Administration Operating Systems Introduction Mod01,
More informationIntroduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras
Introduction to Operating Systems Prof. Chester Rebeiro Department of Computer Science and Engineering Indian Institute of Technology, Madras Week 02 Lecture 06 Virtual Memory Hello. In this video, we
More informationCS370 Operating Systems
CS370 Operating Systems Colorado State University Yashwant K Malaiya Fall 2016 Lecture 2 Slides based on Text by Silberschatz, Galvin, Gagne Various sources 1 1 2 System I/O System I/O (Chap 13) Central
More informationSystem Call. Preview. System Call. System Call. System Call 9/7/2018
Preview Operating System Structure Monolithic Layered System Microkernel Virtual Machine Process Management Process Models Process Creation Process Termination Process State Process Implementation Operating
More informationEuropean University of Lefke. Instructor: Dr. Arif SARI
European University of Lefke CIS 105 Operating Systems Instructor: Dr. Arif SARI Email: asari@eul.edu.tr Introduction 1.1 Silberschatz, Galvin and Gagne 2009 Chapter 1: Introduction, Silberschatz, Galvin
More informationOperating Systems Course 2 nd semester 2016/2017 Chapter 1: Introduction
Operating Systems Course 2 nd semester 2016/2017 Chapter 1: Introduction Lecturer: Eng. Mohamed B. Abubaker Note: Adapted from the resources of textbox Operating System Concepts, 9 th edition What is an
More informationArchitectural Support for Operating Systems
Architectural Support for Operating Systems Today Computer system overview Next time OS components & structure Computer architecture and OS OS is intimately tied to the hardware it runs on The OS design
More informationChapter 1: Introduction. Operating System Concepts 9 th Edit9on
Chapter 1: Introduction Operating System Concepts 9 th Edit9on Silberschatz, Galvin and Gagne 2013 Objectives To describe the basic organization of computer systems To provide a grand tour of the major
More informationWilliam Stallings Computer Organization and Architecture. Chapter 11 CPU Structure and Function
William Stallings Computer Organization and Architecture Chapter 11 CPU Structure and Function CPU Structure CPU must: Fetch instructions Interpret instructions Fetch data Process data Write data Registers
More informationEECS 3221 Operating System Fundamentals
EECS 3221 Operating System Fundamentals Instructor: Prof. Hui Jiang Email: hj@cse.yorku.ca Web: http://www.eecs.yorku.ca/course/3221 General Info 3 lecture hours each week 2 assignments (2*5%=10%) 1 project
More informationEECS 3221 Operating System Fundamentals
General Info EECS 3221 Operating System Fundamentals Instructor: Prof. Hui Jiang Email: hj@cse.yorku.ca Web: http://www.eecs.yorku.ca/course/3221 3 lecture hours each week 2 assignments (2*5%=10%) 1 project
More informationConcurrent programming: Introduction I
Computer Architecture course Real-Time Operating Systems Concurrent programming: Introduction I Anna Lina Ruscelli - Scuola Superiore Sant Anna Contact info Email a.ruscelli@sssup.it Computer Architecture
More informationOPERATING SYSTEMS. After A.S.Tanenbaum, Modern Operating Systems, 3rd edition. Uses content with permission from Assoc. Prof. Florin Fortis, PhD
OPERATING SYSTEMS #2 After A.S.Tanenbaum, Modern Operating Systems, 3rd edition Uses content with permission from Assoc. Prof. Florin Fortis, PhD INTRODUCTION Operating systems structure OPERATING SYSTEM
More informationEven coarse architectural trends impact tremendously the design of systems
CSE 451: Operating Systems Spring 2006 Module 2 Architectural Support for Operating Systems John Zahorjan zahorjan@cs.washington.edu 534 Allen Center Even coarse architectural trends impact tremendously
More informationFour Components of a Computer System
Four Components of a Computer System Operating System Concepts Essentials 2nd Edition 1.1 Silberschatz, Galvin and Gagne 2013 Operating System Definition OS is a resource allocator Manages all resources
More informationOperating Systems. Computer Science & Information Technology (CS) Rank under AIR 100
GATE- 2016-17 Postal Correspondence 1 Operating Systems Computer Science & Information Technology (CS) 20 Rank under AIR 100 Postal Correspondence Examination Oriented Theory, Practice Set Key concepts,
More informationEmbedded Systems Dr. Santanu Chaudhury Department of Electrical Engineering Indian Institute of Technology, Delhi
Embedded Systems Dr. Santanu Chaudhury Department of Electrical Engineering Indian Institute of Technology, Delhi Lecture - 13 Virtual memory and memory management unit In the last class, we had discussed
More informationCOS 318: Operating Systems
COS 318: Operating Systems OS Structures and System Calls Prof. Margaret Martonosi Computer Science Department Princeton University http://www.cs.princeton.edu/courses/archive/fall11/cos318/ Outline Protection
More informationOperating Systems: Internals and Design Principles. Chapter 2 Operating System Overview Seventh Edition By William Stallings
Operating Systems: Internals and Design Principles Chapter 2 Operating System Overview Seventh Edition By William Stallings Operating Systems: Internals and Design Principles Operating systems are those
More informationDM510 Operating Systems. Jacob Aae Mikkelsen
DM510 Operating Systems Jacob Aae Mikkelsen DM510 2014 DM510 Course Introduction Teacher: Jacob Aae Mikkelsen ( jamik@imada.sdu.dk ) Teaching Assistant: Daniel Fentz Johansen ( dfjohansen@gmail.com ) Course
More informationW4118: interrupt and system call. Junfeng Yang
W4118: interrupt and system call Junfeng Yang Outline Motivation for protection Interrupt System call 2 Need for protection Kernel privileged, cannot trust user processes User processes may be malicious
More informationCS510 Operating System Foundations. Jonathan Walpole
CS510 Operating System Foundations Jonathan Walpole Course Overview Who am I? Jonathan Walpole Professor at PSU since 2004, OGI 1989 2004 Research Interests: Operating System Design, Parallel and Distributed
More informationDan Noé University of New Hampshire / VeloBit
Dan Noé University of New Hampshire / VeloBit A review of how the CPU works The operating system kernel and when it runs User and kernel mode Device drivers Virtualization of memory Virtual memory Paging
More informationBackground: Operating Systems
Background: Operating Systems Brad Karp UCL Computer Science CS GZ03 / M030 9 th October 2015 Outline Goals of an operating system Sketch of UNIX User processes, kernel Process-kernel communication Waiting
More informationLecture Topics. Announcements. Today: Threads (Stallings, chapter , 4.6) Next: Concurrency (Stallings, chapter , 5.
Lecture Topics Today: Threads (Stallings, chapter 4.1-4.3, 4.6) Next: Concurrency (Stallings, chapter 5.1-5.4, 5.7) 1 Announcements Make tutorial Self-Study Exercise #4 Project #2 (due 9/20) Project #3
More informationOperating Systems ( )
Operating Systems (202-1-3031) Itai Dinur Office: Alon, 224 dinuri@cs.bgu.ac.il Office hours: Wednesday, 16:00-18:00 Danny Hendler Office: Alon, 218 hendlerd@cs.bgu.ac.il Office hours: Wednesday, 13:00-15:00
More informationOperating Systems ( )
Operating Systems (202-1-3031) Danny Hendler Office: Alon, 218 hendlerd@cs.bgu.ac.il Office hours: Wednesday, 11:00-13:00 Amnon Meisels Office: 206 build., 37 am@cs.bgu.ac.il Office hours: Sun. & Thur.,
More informationChapter 1: Introduction. Operating System Concepts 8th Edition,
Chapter 1: Introduction, Administrivia Reading: Chapter 1. Next time: Continued Grand Tour. 1.2 Outline Common computer system devices. Parallelism within an operating system. Interrupts. Storage operation,
More informationChapter 5 B. Large and Fast: Exploiting Memory Hierarchy
Chapter 5 B Large and Fast: Exploiting Memory Hierarchy Dependability 5.5 Dependable Memory Hierarchy Chapter 6 Storage and Other I/O Topics 2 Dependability Service accomplishment Service delivered as
More information24-vm.txt Mon Nov 21 22:13: Notes on Virtual Machines , Fall 2011 Carnegie Mellon University Randal E. Bryant.
24-vm.txt Mon Nov 21 22:13:36 2011 1 Notes on Virtual Machines 15-440, Fall 2011 Carnegie Mellon University Randal E. Bryant References: Tannenbaum, 3.2 Barham, et al., "Xen and the art of virtualization,"
More informationOperating Systems. Memory Management. Lecture 9 Michael O Boyle
Operating Systems Memory Management Lecture 9 Michael O Boyle 1 Memory Management Background Logical/Virtual Address Space vs Physical Address Space Swapping Contiguous Memory Allocation Segmentation Goals
More informationOperating Systems. Introduction & Overview. Outline for today s lecture. Administrivia. ITS 225: Operating Systems. Lecture 1
ITS 225: Operating Systems Operating Systems Lecture 1 Introduction & Overview Jan 15, 2004 Dr. Matthew Dailey Information Technology Program Sirindhorn International Institute of Technology Thammasat
More informationCMPS 111 Spring 2003 Midterm Exam May 8, Name: ID:
CMPS 111 Spring 2003 Midterm Exam May 8, 2003 Name: ID: This is a closed note, closed book exam. There are 20 multiple choice questions and 5 short answer questions. Plan your time accordingly. Part I:
More informationOperating Systems ( )
Operating Systems (202-1-3031) Meni Adler Office: Alon, 109 meni.adler@gmail.com Office hours: Tuesdays, 08:00-10:00 Danny Hendler Office: Alon, 218 hendlerd@cs.bgu.ac.il Office hours: Tuesdays, 11:00-13:00
More informationOperating Systems: Principles and Practice. Mark Zbikowski Gary Kimura (kudos to Tom Anderson)
Operating Systems: Principles and Practice Mark Zbikowski Gary Kimura (kudos to Tom Anderson) How This Course Fits in the UW CSE Curriculum CSE 333: Systems Programming Project experience in C/C++ How
More informationAn Implementation Of Multiprocessor Linux
An Implementation Of Multiprocessor Linux This document describes the implementation of a simple SMP Linux kernel extension and how to use this to develop SMP Linux kernels for architectures other than
More information@2010 Badri Computer Architecture Assembly II. Virtual Memory. Topics (Chapter 9) Motivations for VM Address translation
Virtual Memory Topics (Chapter 9) Motivations for VM Address translation 1 Motivations for Virtual Memory Use Physical DRAM as a Cache for the Disk Address space of a process can exceed physical memory
More informationMisc. Third Generation Batch Multiprogramming. Fourth Generation Time Sharing. Last Time Evolution of OSs
Third Generation Batch Multiprogramming Misc. Problem: but I/O still expensive; can happen in middle of job Idea: have a pool of ready jobs in memory, switch to one when another needs I/O When one job
More informationOperating Systems ( )
Operating Systems (202-1-3031) Meni Adler Office: Alon, 211 adlerm@cs.bgu.ac.il Office hours: Wed.. Danny Hendler Office: Alon, 218 hendlerd@cs.bgu.ac.il Office hours: 11:30-13:30 Amnon Meisels Office:
More informationUniversity of Waterloo Midterm Examination Model Solution CS350 Operating Systems
University of Waterloo Midterm Examination Model Solution CS350 Operating Systems Fall, 2003 1. (10 total marks) Suppose that two processes, a and b, are running in a uniprocessor system. a has three threads.
More informationIntroduction to System Programming
Introduction to System Programming Introduction to System Programming Why system programming? Basic operation of a computer system Summary Acknowledgement: slides based on the cs:app2e material 2 Why System
More informationLecture Topics. Announcements. Today: Operating System Overview (Stallings, chapter , ) Next: Processes (Stallings, chapter
Lecture Topics Today: Operating System Overview (Stallings, chapter 2.1-2.4, 2.8-2.10) Next: Processes (Stallings, chapter 3.1-3.6) 1 Announcements Consulting hours posted Self-Study Exercise #3 posted
More informationProcess Scheduling Queues
Process Control Process Scheduling Queues Job queue set of all processes in the system. Ready queue set of all processes residing in main memory, ready and waiting to execute. Device queues set of processes
More informationComp 104: Operating Systems Concepts
Comp 104: Operating Systems Concepts Prof. Paul E. Dunne. Department of Computer Science, University of Liverpool. Comp 104: Operating Systems Concepts Introduction 1 2 Today Admin and module info Introduction
More informationMove back and forth between memory and disk. Memory Hierarchy. Two Classes. Don t
Memory Management Ch. 3 Memory Hierarchy Cache RAM Disk Compromise between speed and cost. Hardware manages the cache. OS has to manage disk. Memory Manager Memory Hierarchy Cache CPU Main Swap Area Memory
More informationMemory Management Ch. 3
Memory Management Ch. 3 Ë ¾¾ Ì Ï ÒÒØ Å ÔÔ ÓÐÐ 1 Memory Hierarchy Cache RAM Disk Compromise between speed and cost. Hardware manages the cache. OS has to manage disk. Memory Manager Ë ¾¾ Ì Ï ÒÒØ Å ÔÔ ÓÐÐ
More informationDEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING UNIT I
DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING Year and Semester : II / IV Subject Code : CS6401 Subject Name : Operating System Degree and Branch : B.E CSE UNIT I 1. Define system process 2. What is an
More informationOverview of Operating Systems
Lecture Outline Overview of Operating Systems Instructor: Dr. Tongping Liu Thank Dr. Dakai Zhu and Dr. Palden Lama for providing their slides. 1 2 Lecture Outline Von Neumann Architecture 3 This describes
More informationOperating System Architecture. CS3026 Operating Systems Lecture 03
Operating System Architecture CS3026 Operating Systems Lecture 03 The Role of an Operating System Service provider Provide a set of services to system users Resource allocator Exploit the hardware resources
More information