os02-1st_283 - Operating Systems 1st Exam. for 2003 Fall...

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Unformatted text preview: Operating Systems 1st Exam. for 2003 Fall Semester Date: Oct-22-2003, Time: 1:10 p.m.-2:40 p.m. Name: Student ID: Dept: There are 11 problems in this examination and total credits are 100. The weight for each problem is indicated. Just write your answer on the blank space following each (sub)problem and do all of them. 1. (28%) Briefly point out the essential contrast properties of the follow- ing subproblems: (a) tightly coupled systems (or parallel systems) vs. loosely coupled systems (or distributed systems) (b) symmetric multiprocessing (SMP) vs. asymmetric multiprocess- ing (ASMP) 2 (c) network operating systems (NOS) vs. distributed operating sys- tems (DOS) (d) hard real-time system vs. soft real-time system (e) client-server systems vs. peer-to-peer systems (f) message-passing model vs. shared memory model 3 (g) user threads vs. kernel threads 2. (8%) Answer the following subproblems: (a) Why we said modern operating systems are interrupt driven?...
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os02-1st_283 - Operating Systems 1st Exam. for 2003 Fall...

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