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Differentiate between synchronous and asynchronous input/output with the help of an example.
The input-output operation is asynchronous input/output operation since after the start of input/output, control is returned to the user program without waiting for the input/output to finish. The input/output continues and upon its completion, an interrupt is generated through the controller to attain CPU's attention.
CPU execution waits, whereas I/O proceeds, in that case, there is a possibility as at most one request I/O request is outstanding at a time. It is termed as synchronous I/O.
explain different types of parallel processing mechanism
We have not considered the time element in our decoding. An important time for decoding is the time from the address strobe (AS) to when the data is required in a read. Time
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JK, SR, D master FF 1)draw block diagram 2) combinational circuits using NOR & NAND gate thank you
Nanoprogramming: Second compromise: nanoprogramming it use a 2-level control storage organization Top level is a vertical format memory Output of the top level
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