Control Unit and Microoperations in Digital Computers
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Questions and Answers

What is the function of the control unit in a digital computer?

To initiate sequences of microoperations.

How is the complexity of a digital system derived?

From the number of sequences of microoperations that are performed.

What is the alternative method for designing the control unit of a digital computer?

Microprogramming.

What is the principle of microprogramming?

<p>An elegant and systematic method for controlling microoperation sequences.</p> Signup and view all the answers

How is a microoperation specified by the control function?

<p>Through a binary variable.</p> Signup and view all the answers

What happens when a control variable is in the opposite binary state?

<p>It does not change the state of the registers in the system.</p> Signup and view all the answers

What are control signals in a bus-organized system used for?

<p>To select paths in multiplexers, decoders, and arithmetic logic units.</p> Signup and view all the answers

What does the control unit initiate in a digital computer?

<p>A series of sequential steps of microoperations.</p> Signup and view all the answers

During any given time, what happens to some microoperations in a digital computer?

<p>Some are initiated, while others remain idle.</p> Signup and view all the answers

What is the significance of the number of different types of microoperations available in a system?

<p>It is finite.</p> Signup and view all the answers

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