Question: Please answer all questions. Question 2 (Control Unit): 10 marks (a) For the direct addressing mode, write down the micro-operations at each T-state, that are

Please answer all questions.

Please answer all questions. Question 2 (Control Unit): 10 marks (a) For

Question 2 (Control Unit): 10 marks (a) For the direct addressing mode, write down the micro-operations at each T-state, that are needed to complete the instruction, SUB BL, [2000H). Hint: There will be six T-states. (5 marks). (b) Compare state-table method and delay element method for hard wired controlled units in terms of their benefits and drawbacks. [5 marks)

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