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Q. Define Wait protocol?
The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols: sleep-wait and busy-wait. In busy-wait protocol process stays in process context register that continually attempts for processor availability. In sleep-wait protocol wait protocol process is removed from processor and is kept in wait queue. The hardware complexity of this protocol is greater than busy-wait in multiprocessor system. If locks are used for synchronization subsequently busy-wait is used more than sleep-wait.
Q. Interrupt - Driven Input-output? Problem with programmed I/O is that processor has to wait a long time for I/O interface to see whether a device is free or waits until compl
what are the applications of photochemistry?
expplain in detail the internal organisation of computer?
Q. What is Dithering? CMYK provides only 8 colours (C, M, Y K, Violet= C + M, Orange= M + Y, Green = C + Y, and colour of paper itself!). What about other colours? For these t
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What are the advantages of batch processing This has the advantage which jobs can be processed when computer resources are less busy (for example during the evening or at night
What is hit? A successful access to data in cache memory is known as hit. Normal 0 false false false EN-IN X-NONE X-NONE
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Q. When gravity is the merely force acting on an object the object is in what? Answer:- One respond is that it is in free-fall in a vacuum to eliminate atmospheric drag.
Bus Master: In computer system, bus mastering is a attribute supported by various bus architectures that enables a device linked to the bus to initiate transacti
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