Chapter 7: Replication Management using the State Machine Approach Fred B. Schneider* Department of Computer Science Cornell University Ithaca, New York 14853 U.S.A. This chapter reprints my paper “Implementing Fault-tolerant Services using the State Machine Approach: A Tutorial” which orginally appeared in ACM Computing Surveys 22 (Dec. 1990). The paper has been reformatted, but otherwise […]
Chapter 10: Virtual Memory Operating System Concepts – 10th Edition 10.1 Silberschatz, Galvin and Gagne ©2018 Entire program code not needed at same time Consider ability to execute partially-loaded program Background Code needs to be in memory to execute, but entire program rarely used Errorcode,unusualroutines,largedatastructures Programnolongerconstrainedbylimitsofphysicalmemory Eachprogramtakeslessmemorywhilerunning->moreprograms run at
Chapter 3: Processes Process Concept Process – a program in execution; process execution must progress in sequential fashion Multiple parts The program code, also called text section Current activity including program counter, processor registers Stack containing temporary data Function parameters, return addresses, local variables Data section containing global
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Chapter 2: Operating-System Structures A View of Operating System Services System Calls Programming interface to the services provided by the OS Typically written in a high-level language (C or C++) Mostly accessed by programs via a high-level Application Programming Interface (API) Three most common APIs are Win32 API for Windows, POSIX
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EE 5806: Topics in Image Processing Test 1 Review General Information: • This is an online open-book examination taken in Canvas. • Scope: Chapter 1 to 4 • 1 hour in-class exam: Oct. 14, 2020. 8:50pm – 9:50pm. T opics 1. Introduction to Digital Imaging (a) Image Sensing and Acquisition • Describe the operational principles
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1D DTFT sin sin 2D DTFT Example 1 Exercise: Please do a similar derivation for kernels we learned in Chapter 3. 2 2D DTFT Example 2 3 2D DTFT Example 3 4 DFT Example Example from Gonzalez and Woods, ¡°Digital image processing,¡± 4th edition, Pearson Prentice Hall, 2018. 5
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4.3 Frequency Domain Filtering 49 Filtering in Frequency Domain • Filtering is achieved by linear convolution: , ∗, • Convolution theorem in DFT stated that: • The output , can be obtained by first multiplying the DFT of and and perform an inverse DFT. • But note that instead of
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Chapter 1: Introduction EECS 3221 What is an Operating System? A program that acts as an intermediary between a user of a computer and the computer hardware Operating system goals: Execute user programs and make solving user problems easier Make the computer system convenient to use Use the computer hardware in an efficient manner Operating
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The Google File System Sanjay Ghemawat, Howard Gobioff, and Shun-Tak Leung Google∗ ABSTRACT We have designed and implemented the Google File Sys- tem, a scalable distributed file system for large distributed data-intensive applications. It provides fault tolerance while running on inexpensive commodity hardware, and it delivers high aggregate performance to a large number of clients.
Chapter 5: CPU Scheduling CPU Scheduling CPU Scheduling: The CPU Scheduler selects one process among all processes that are in the ready state, and allocates the CPU to it. Often CPU Schedulers use a ready queue, where the records in the ready queue are PCBs of the processes that are in the ready
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