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What is linked allocation, as detailed in text?
Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
Assume there are only 4 page frames in the physical memory, for the following reference string: 1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2, 8. a) What i
advantages and disadvantages of monolithic and layered approach
Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
EXPLAIN MULTITASKING IN DETAIL
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. Here if a 10k process enters we are able to make a space of
What are the various process scheduling concepts? a) Scheduling queues with diagram b) Queuing diagram c) Schedulers d) Context switch with diagram
What are the requirements to be satisfied by the critical section problem? Following are the necessities to be satisfied by the critical section problem: a) Mutual exc
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