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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
what are the main advantages of multiprogramming
Explain multilevel queue scheduling and multilevel feedback queue scheduling #Minimum 100 words accepted#
Explain working of the logical file system The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It h
protection in paging
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.
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
Q. If each the access rights to an object are deleted the object can no longer be accessed. At this stage the object should also be deleted and the space it occupies should be ret
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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