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?