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Q. Explain Structure of Control Unit?
A control unit has a set of input values on the foundation of which it produces an output control signal which in turn performs micro-operations. These output signals control execution of a program. A general model of control unit is displayed in Figure below.
Figure: A General Model of Control Unit
In the model given above CU is a black box that has certain inputs and outputs.
An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50ns. The frequency of the input signal which can be use
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What is the draw back of assigning one bit position to each control signals? Assigning individual bits to every control signal results in long microinstructions due to the numb
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