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Q. Explain functions of direct memory access?
Though CPU intervention in DMA is minimised however it should use path between interfaces that is system bus. So DMA involves an extra interface on system bus. A scheme known as cycle stealing permits DMA interface to transfer one data word at a time, after that it should return control of bus to processor. Processor merely delays its operation for one memory cycle to permit directly memory I/O transfer to 'steal' one memory cycle. When an I/O is requested processor issues a command to DMA interface by transmitting to DMA interface the subsequent information (Figure below):
Figure: DMA block diagram
Q. Evaluate Bandwidth of disk drive? Bandwidth: Bandwidth can be measured in bytes per second. Sustained bandwidth is the average data rate at the time of a large transfer w
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Explain the Edge-triggered J-K flip-flop? The J-K flip-flop works extremely similar to S-R flip-flop. The merely difference is that this flip-flop has NO invalid state.
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In academic year a researcher can either be employed as a professor or a lab assistant.there are three kinds of professors: assistant,associate and full professors.drow E-R DIAGRAM
The term 'page traffic' describes? Ans. Page Traffic describes the movement of pages in and out of memory.
Determine the benefits of Message passing Message passing provides two major benefits: An object's properties are expressed by its methods, thus message passing support
Declarative programming languages: We notice that declarative programming languages can have some better compensation over procedural ones. Actually, it is often said that a J
The princess (or prince if you're female) has been captured by the Evil Dragon and held prisoner in a tower. The tower is also surrounded by a maze to keep out the riff-raff. You
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