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Q. What are the five main activities of an operating system in regard to process management?
Answer:
a. The creation as well as deletion of both user and system processes
b. The suspension as well as resumption of processes
c. The stipulation of mechanisms for process synchronization
d. The stipulation of mechanisms for process communication
e. The stipulation of mechanisms for deadlock handling
Suppose we want to program a Web server; we could easily do so without using concurrency, as follows: while(true) wait connection read from socket and parse url look up url cont
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
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describe competing process
What is a general graph? A tree structure where links can go from one branch to a node earlier in the similar branch or other branch, allowing cycles.
Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email
Define the OS/2 threads code The sample program in Listing is very similar to the NetWare example. OS/2 commands are substituted for the pseudocode commands controlling thread
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
what is an operating system?
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
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