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COMPUTER ORGANIZATION & ARCHITECTUREA computer has 16 registers, an ALU with 32 operations, and a shifter with 8 operations, all connected to a common bus system. (i) Formulate a control word for micro-operation. (ii) Show the bits of the control word that specify the micro-operation R4 \leftarrow R5 + R6.20227mCOMPUTER ORGANIZATION & ARCHITECTUREWrite short notes on the following: - (a) Shift instructions20167mCOMPUTER ORGANIZATION & ARCHITECTURE\(c\) The alternate way of writing the instruction, ADD #5, R1 is (i) ADD [5],[R1]; (ii) ADDI 5,R1; (iii) ADDIME 5,[R1]; (iv) There is no other way20222mCOMPUTER ORGANIZATION & ARCHITECTUREDraw the block diagram of control unit of basic computer. Explain in detail with control timing diagrams.20197m