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Explain LRU Page replacement algorithm.
LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time. For reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5, we have the subsequent page faults:
Q. Signaling PVM process? int pvm_sendsig( int tid, int signum ) Transmits a signal to other PVM process. tid is task identifier of PVM process to receive signal.
Explain about Flip-Flops Flip-Flops are also called bistable multivibrator. A flip-flop is capable of storing 1 bit of binary data. It has two stable states- 'one' and 'zero
why we say OS is a resource allocator and control program
Returns the information about tasks running int info = pvm_tasks( int where, int *ntask, struct pvmtaskinfo **taskp ) struct pvmtaskinfo { int ti_tid; int ti_pt
What are packages? Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler
This is the set of tools and facilities that you work with as the MATLAB user or programmer. It contains facilities for managing the variables in your workspace and importing and e
Principle of locality: Temporal base locality (locality in time):- If an item is referenced then it will tend to be referenced again soon. Spatial locality (local
Explain briefly about demultiplexers?
BCD to gray converter using 2:1 multiplexer
Given a cell, we must determine its neighbouring cells i.e. those with which it shares a wall. The cells with an x are the neighbours of the cell c. Write the function getneighbour
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