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Indexed allocation
Indexed allocation bringing all the pointers together into one location: the index block. Every file has its own index block, which is an array of disk-block addresses. The ith entry in the index block points to eh ith block of the file. The directory have the address of the index block.
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
Medium term scheduling This is component of the swapping function. Usually the swapping in decision is based on the need to manage the degree of multiprogramming. At a system t
Let us consider the pining details of the 68HC11 as shown below. Each pin has a defined function, some easy, some complex. A microprocessor designer should understan
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
example of first fit best fit and worst fit
Q. Likewise some systems support many types of structures for a file's data while others simply support a stream of bytes. What are the merits in addition to demerits? Answer:
State critical section problem? Discuss three solutions to solve the critical section problem. C-S Problem:- n processes all competing to use some shared data Every
diffenciet between least recently used and not recently used
five major activities on file management in operating system.? Explain it.?
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