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Signal handling A signal is used in UNIX systems to inform a process that a particular event has occurred. 1. A signal is produced by the occurrence of a particular event.
explain simple segmentation
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
Consider the following snapshot of a system, answer the following questions using the banker's algorithm: 1. What is the content of the matrix Need? Is the system in a safe stat
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
what is exit status
Question: a) What is an Input/Output module and what are the five categories their functions fall into? b) What is an Operating System? Briefly describe the two objectives
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
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