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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.
Background and foreground colors can be interchanged using the command?? Format Inverse command.
is c++ is language or any software
The new season of AFL, and the excited coming FIFA World Cup in South Africa this June, many sports fans are willing to find the latest results of their beloved sports teams. In th
Q. Total number of registers in a CPU? Factors to consider when choosing total number of registers in a CPU are: CPU can access registers faster than it can access m
the various Scheduling algorithms ..
Computer to computer communication is: (A) Simplex (B) Duplex (C) Half Duplex (D) Both Duplex and Half D
Define Electronic Data Interchange. An EDI stand for Electronic Data Interchange is used by organizations for transactions which occur on regular basis to a pre-determined for
Q. Explain about IFRAME? is an HTML 4.0 addition to frames toolbox. Presently only MSIE supports . Unlike frames created employing and
Define Word/byte rotation and XOR bit masking encryption technique to make sure secured transactions on the net? Word/byte rotation and XOR bit masking: In this process t
How WAP Gateway works? An significant feature of WAP is the maintain of telephony service integrated with micro browsing of data. aveAccess WAP Gateway functionss as a
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