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Process states in Linux OS
Running: Process is either ready to run or running
Interruptible: a Blocked part of a process and waiting for a signal or an event from another process
Uninterruptible:- a blocked state. Process waits for a hardware requirement and cannot handle any process
Stopped: Process is halted or stopped and can be restarted by some other signals
Zombie: process ended, but information is still there in the table of process.
Pure and impure interpreters In a pure interpreter, the source program is maintained in the source form throughout its interpretation. This arrangement acquires substantia
Research the phenomenon of data races. Give an example of how an unprotected data race can give rise to data inconsistency. How do OpenMP and Cilk resolve this problem? Data
Define request edge and assignment edge. Answer: A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Problem: Within a corporate environment, there are usually many servers located across various departments. Naming of servers is often a tedious task. In many circumstances, w
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
Explain about deadlock detection? In deadlock situation, the system must provide An algorithm that verifies the state of the system to verify whether a deadlock has occu
WHAT IS ACYCLIC GRAPH DIRECTORY
There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
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