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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.
What is the main advantage of the layered approach to system design? As in all cases of modular design, designing an operating system in a modular way has several benefits. Th
Question : The file system is the most visible aspect of an operating system. It provides the mechanism for on-line storage and access to both data and programs of the operatin
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
What are the four necessary conditions of deadlock prevention? Ans: Four essential conditions for deadlock prevention: a. The meaning of removing the mutual exclusio
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
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
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be
What is Data Warehouse?
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