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Q. Explain working of Direct Memory Access?
In both programmed I/O and interrupt-driven processor is busy with executing input/output instructions and I/O transfer rate is limited by speed with which processor can test and service a device. What about a scheme that needs minimal intervention of CPU for input/output? These two types of shortcomings can be overcome with a more efficient technique called as DMA that behaves as if it has taken over control from processor. C Consequently the question is: why do we employ DMA interface? It is employed primarily when a large amount of data is to be transferred from I/O device to Memory.
Open addressing: The easiest way to resolve a collision is to begin with the hash address and do a sequential search by the table for an empty location. The idea is to place the
What do you mean by complexity of an algorithm? The term complexity is used to define the performance of an algorithm. Typically performance is calculated in terms of time or s
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? UML is called as Unified Modeling Language. ? it is used to Graphical language for visualizing artifacts of the system. ? It Allow to make a blue print of all the aspects
Q. What is Collective Message Passing? In collective message passing all the processes of a group take part in communication. MPI offers a number of functions to apply the coll
Structured and Modular programming. Structured programming means the collection of principles and practices that are directed toward developing correct programs which are simpl
Which of the following is the fastest logic ECL, TTL, CMOS or LSI ? Ans. The fastest logic is ECL.
Define service (within R/3)? A service is a process or group of processes that perform a exact system function and often give an application-programming interface for other pr
What are the different auto reports available in Access? The dissimilar auto reports available in Access are: Columnar AutoReport: makes a report where each row is shown ver
Q. Describe about Pascaline? Blaise Pascal made very first attempt in the direction of automatic computing. He invented a device that comprised lots of gears and chains that us
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