Explain the different modes of data transfer

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Ques 1. What do you mean by hardwired and micro-programmed control unit? Explain with points.

Ques 2. Design the parallel priority interrupt hardware for a system with eight interrupt sources.

Ques 3. Explain the difference Between isolated I/O and Memory mapped I/O. Also mention the advantages and disadvantages of both i/o.

Ques 4. Explain the different modes of data transfer. Also, develop a flowchart for CPU program to input data via programmed I/O.

Ques 5. What do you mean by write through and write back mechanisms?

 

 

Reference no: EM13844464

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