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Define a loader that is executed when a system is first turned on or restarted? Bootstrap loader is executed when a system is first turned on or restarted
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
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
What is the main advantage of multiprogramming? Multiprogramming makes efficient use of the CPU by overlapping the demands for the CPU and its I/O devices from various users. I
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
What are the operations that can be performed on a directory? The operations that can be performed on a directory are Search for a file Create a file Delete a
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
Define a public key encryption system Allows just the correct receiver to decode the data
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
Ask using a laballed diagram explaining the architecture of windows operating ststem
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