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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.
The following definition of mapping is adapted from the first edition of the Set Book: Mapping concerns the relationship between controls and their effects in the world. Nearly al
describe the block diagram of a system showing the following microprocessor memory system buses
A/An network is typically a company network that connects multiple company locations into a single network. (A) local area (B
What is critical section problem? Consider a system having of 'n' processes. Each process has segment of code known as a critical section, in which the process may be changing
How many two-input AND and OR gates are required to realize Y=CD+EF+G ? Ans. Y=CD+EF+G No. of two i/p AND gates=2 No. of two i/p OR gates = 2 One OR gate to OR CD and EF
write a java program to board coloring
Define deadlock. A process requests resources; if the resources are not available at that time, the method enters a wait state. Waiting processes might never again change state
In which input data does the algorithm quick sort exhibit its worst-case Behaviour? The Quick Sort method exhibits its worst-case behavior when the input data is " Already Comp
State the Disadvantages of interviewing - can be expensive to carry out - can be a very time consuming exercise - Unable to remain anonymous
i need help with an octave program
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