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chapter01 - Operating Systems Textbook Operating Systems...

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1 Operating Systems Instructor: Li Xiao [email protected] Office hours: Tu/Th 4:20-5:20pm, 1128EB TA: Ken Horne [email protected] office hours: M:12-1pm, F: 2-3pm, 1320EB http://www.cse.msu.edu/~cse410 Textbook Operating Systems, Internals and Design Principles, 7th Edition (Stallings; Prentice-Hall, 2011) Lecture Sessions Tu/Th 12:40-2:00pm, 1225EB Regular attendance at lecture is critical to success. Grades Exams 50% Midterm Exam (Oct.18) 25% Final Exam (Dec.13) 25% Worksheets 10% Projects 40% Grade Scale 4.0 90% of points available 3.5 85% of points available 3.0 80% of points available 2.5 75% of points available 2.0 70% of points available 1.5 65% of points available 1.0 60% of points available Assignments Individual assignments Collaborative solutions are not permitted. Project Late Points Policy: late assignment points will be reduced by 20% per day. Excuses for … Make-ups for exams and Extend assignments’ due date documented illness personal emergency MSU’s policy on Integrity of Scholarship and Grades
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2 Disability If you have a disability, please contact the Resource Center for People with Disabilities to discuss academic accommodations (353-9642). Topics Course introduction and overview Computer system overview Operating system overview Processes Threads CPU scheduling Concurrency Memory management Virtual memory I/O management File management Computer Security Distributed Systems Chapter 1 Computer System Overview Basic Elements Instruction Execution Interrupts Memory Hierarchy I/O Communication Techniques Multiprocessor/multicore Operating System Exploits the hardware resources of one or more processors Provides a set of services to system users Manages secondary memory and I/O devices Basic Elements Processor Controls the operation of the computer Performs the data processing functions Referred to as the Central Processing Unit (CPU) Main Memory Volatile Contents of the memory is lost when the computer is shut down Referred to as real memory or primary memory I/O modules Moves data between the computer and external environments Such as: storages (e.g. hard drive), communications equipment, terminals System bus Provides for communication among processors, memory, and I/O modules Top-Level Components
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3 Microprocessor Invention that brought about desktop and handheld computing Processor on a single chip Fastest general purpose processor Multiprocessors Each chip (socket) contains multiple processors (cores) Graphical Processing Units (GPU’s) Provide efficient computation on arrays of data using Single-Instruction Multiple Data (SIMD) techniques Used for general numerical processing Physics simulations for games Computations on large spreadsheets Digital Signal Processors (DSPs) Deal with streaming signals such as audio or video Used to be embedded in devices like modems
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