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Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "poison pill" where the process is sent a command to kill itself, and the other where the system itself kills the process, not permitting the process to execute further at all. What actions need to be taken when a program terminates or a process is killed? What if that process destruction is not the consequence of normal process termination, but rather is the consequence of software failure?
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
Q. What are two dreadful problems that designers should solve to implement a network-transparent system? Answer: One such issue is making all the processors as well as storag
Differentiate tightly coupled systems and loosely coupled systems? Loosely coupled systems:- Every processor has its own local memory Every processor can communicate
explain dynamic patrician stratagies
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world. Results from the last five samples are shown in the table. D
1. Suggest some mechanism(s) to lower the dispatch latency while scheduling for a real-time system. Also, discuss any trade-off or consequent constraint associated with it, if a
How File record length should be chosen File record length should be selected to match the data characteristics
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