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Hashed page tables
A common approach for handling address spaces larger than 32 bits is to use a hashed page table. Every entry in the hash table having a linked list of elements that hash to the similar location.
Each element consist of three fields
a) The virtual page number
b) The value of the mapped page frame
c) A pointer to the next element in the linked list.
Q. Can a system detect that some of its processes are starving? If you answer "yes," explain how it can. If you answer "no," explain how the system can deal with the starvation pro
Difference between threads and processes 1. Thread is flow of implementation. Process is group of instruction which is alike to that of a program except which may be stopped an
Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
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
categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
operating systems and its types together with its design issues and their examples.
Q. How Program execute in operating system? Program execution- The operating system fills the contents (or sections) of a file into memory as well as begins its execution. A us
What is the use of fork and exec system calls? Fork is a system call by which a latest process is created. Exec is also a system call, which is used after a fork by one of the
protection in operating system
Major page fault: If the page is not loaded in memory at the time the fault is stated, then it is named major or hard page fault. The handler in the machine requires to search a
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