review1 - 1 Midter m 1 Review Midterm date 09 22 I n class...

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Unformatted text preview: 1 Midter m 1 Review Midterm date: 09/ 22 I n class, 75 minutes Closed-book No books, notes, electronic devices on desk Leave empty seat between neighboring students Lectures up to today (scheduling) Style: similar to homework questions 2 Key concepts - OS Over view How a computer works Definition and roles of OS Multiprogramming Time sharing Multi-processor systems Distributed systems 3 Key concepts - OS Over view (Cont’d) Dual-mode execution, privileged instruction System call Base and limit registers Timer and CPU time slice Storage hierarchy Caching and locality I / O interrupts, interrupt vector and DMA 4 Key concepts - OS Str ctur e System calls and system programs Microkernels Virtual machines, Java virtual machine Bootstrap process, boot block 5 Key Concepts - Pr ocesses PCB Process states and scheduling Context switch Process creation and termination Producer-consumer problem...
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review1 - 1 Midter m 1 Review Midterm date 09 22 I n class...

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