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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.
What is Random access memory (RAM) This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Befo
A group of 20 servers carry traffic of 10 erlangs. If the average duration of a call is three minutes, calculate the number of calls put through by a single server and the group as
I have developed a web application in .net & if the web application is idle for some time & after that if we perform some action on that web page then it doesn''t respond. Can you
Q. Example to show a single digit ? Displaying a single digit (0 to 9) Presume that a value 5 is stored in BL register then to output BL as ASCII value add character ‘0' to
for ticket reservation in trains for payroll processing for insurance database
Array Processing We have seen that for executing vector operations the pipelining conception has been used. There is other method for vector operations. If we have array of n p
Explain the characteristics of program interpretation model. The program interpretation model characteristics are: The source program is retained into the source form it
THE NEED OF PARALLEL COMPUTATION With the growth of computer science, computational pace of the processors has also increased many a times. Though, there are definite constr
Define about the Objects The object notation is the same in basic form as that for a class. There are three differences among the notations, these are given below: With
Q. Show the conditional jump in program? CMP AX, BX ; compare instruction: sets flags JNE FIX ; if not equal do addi
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