Operating Systems CECS 326
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This 1 page Class Notes was uploaded by Zackary Cronin on Monday October 5, 2015. The Class Notes belongs to CECS 326 at California State University - Long Beach taught by Staff in Fall. Since its upload, it has received 39 views. For similar materials see /class/218756/cecs-326-california-state-university-long-beach in Computer Science and Engineering at California State University - Long Beach.
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Date Created: 10/05/15
CECS 326 Operating Systems Review for Quiz 1 on 92005 Quiz covers Chapter 1 and Lab exercises 9105 9605 and 9805 N E 4 V39 0 gt1 9 gt0 What are the three main purposes of an operating system What is multiprogramming and what is its main advantage What is resource sharing How is it usually achieved What is the contribution of timesharing technology to contemporary operating systems What is the contribution of embedded systems technology to contemporary operating systems De ne the essential properties of each of the following types of operating systems Batch Interactive Time sharing Real time Network Distributed Handheld Identify which of the following are examples of spacemultiplexed sharing and which are timemultiplexed sharing If there is a sense that it could be either strategy explain The land in a residential subdivision A personal computer A whiteboard in a classroom A bench seat on a bus A singleuser le in UNIX A printer on a timesharing system The heap in the CC runtime system Suppose that a multiprogrammed system has a load of N processes with individual total execution times oft1 t2 tN How would it be possible that the execution time could be as small as maximum t1 t2 tN Suppose that a multiprogrammed system has a load of N processes with individual total execution times oft1 t2 tN How would it be possible that T gt t1tz tN where T represents the time it takes to complete all N processes 10 UNIX shell argc argv fork sleep exec