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Why does DMA have priority over the CPU when both request a memory transfer?
The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included only at the starting and end of the transfer, when the CPU wishes to read or write a block of data, it issues a command to DMA Channel by sending read/write operation, address of I/O, number of words to be read or written, as DMA have priority over the CPU when both request a memory transfer.
What are the differences between one hot and binary encoding? Common classifications used to explain the state encoding of an FSM is Binary or highly encoded and one hot. A bin
Describe carry look-ahead adder? Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rat
Is the basic list deleted when the new list is created? No. It is not removed and you can return back to it using one of the standard navigation functions like clicking on th
Define Polling. A Polling process is used to recognize the highest priority source by software means. In this process there is one common branch address for all interrupts.
Explain about the MINI COMPUTER Minicomputers are much smaller in size than mainframe computers and they are also less expensive. The cost of these computers can differ from a
What are virtual Functions
Q. Differentiate the Multiplexer and Demultiplexer with respect to their concept, block diagram and circuit. Q. What is the difference between Synchronous sequential circuits an
Q. Convert the following BINARY numbers into HEXADECIMAL, double check by converting the result HEXADECIMAL to BINARY. a) 1101.0110 b) 1011.11010 c) 11110.01011
How to send a report to the printer instead of displaying it on the screen? We can send a report to the printer instead of displaying it on the screen. To do this, use the key
Q. Explain Direct Addressing Mode with example? Direct Addressing Mode A direct operand signifies to contents of memory at an address referred by the name of the variable.
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