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Question: Concurrency and Synchronization
a) Define the following terms:
I. Critical section II. Mutual Exclusion III. Deadlock IV. Starvation.
b) Name three methods which are usually used in synchronizing processes.
c) What are semaphores used for?
d) What is the concept of an atomic operation?
e) Describe the concept involved in the producer - consumer problem.
f) Semaphores support two types of atomic operations? What are they? And what does each type of operation represent?
g) There are two types of semaphore implementation. State them and what are the operations involved in each of them.
Q) a. Given that the first three necessary conditions for a deadlock are in place, comment on the feasibility of the following strategy. All processes are given unique priorities.
Question: a) Illustrate with the help of a diagram, the difference between two tier and three tier architectures. b) Explain in what kind of environment, a peer to peer envi
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Modern networks are not implemented as a single piece of software; that would render the task of dealing with multiple technologies and manufacturers virtually impossible. The solu
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Networks and operating systems have a lot of overlap. In this course, however,we are not going to discuss networking in detail, but rather focus on the networking abstractions prov
FIXED PARTITIONING In a fixed partitioning, the operating system inhabiting some fixed portion of main memory is available for use of multiple processes -Using fixed partit
Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,
? FREE ASSOCIATION ASSIGNMENTS of multiprograming
What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
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