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Define the Main reason to encrypt a file
Major reason to encrypt a file is secure it for transmission.
how to differentiate scheduling algorithms?
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
How do we overcome the disadvantages of the two-level directory? Give links from one user directory to another, creating path names; system files become available by letting th
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
Message passing system:- The function of message system is to permit processes to communicate with one another without the requirement to resort (option) to shared data. Commun
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
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