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Q. What kinds of services does the process manager provide? Define local procedure call?
Answer: The process manager offers services for creating and deleting and using processes and threads and jobs. The process manager as well implements queuing and delivery of asynchronous procedure calls to threads. The LPC (local procedure call) is a message-passing system.
The operating system utilizes the LPC to pass requests and results between client and server processes within a single machine in particular between Windows XP subsystems.
Q. Why might a system utilize interrupt-driven I/O to manage a single serial port however polling I/O to manage a front-end processor such as a terminal concentrator? A
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
Take the binary number and divide it into groups of 4 bits starting from the right hand side , if no group of 4 exists fill out leading 0's, then convert each group of 4 to a hex n
Question 1 What is a file? Write down the operations on files Question 2 What do you mean virtual machine? Write down the application of virtual machine Question 3 What
A set of methods that allow executing a program which is not completely in memory is called A set of methods that allow executing a program which is not completely in memory
Q. Distinguish among PCS and SCS scheduling. Answer: PCS scheduling is completed local to the process. It is how a thread library schedules threads onto available LWPs. SCS sch
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Show the search tree generated by Hill-Climbing search (text figure 4.2, page 122; or Local Search lecture, slide 6) for each of the two heuristics (a) and (b) applied to the follo
Q. In a disk jukebox what would be the result of having more open files than the number of drives in the jukebox? Answer: Two bad results could result. One likelihood is star
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
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