Module 14: Digital Circuits 3

Lectures

Folder description

Module 14 contains two lectures which present:

Digital Circuits - Part 1 (14A)
Digital Circuits - Part 2 (14B)

Click the Lectures link above to access the videos.

Technical

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Overview OverviewObjectives

Cell description

Overview

In this module we will continue examining combinations of gate logic components to provide the foundation for digital circuits capable of performing binary arithmetic operations. Half and Full Adder circuits will be presented with their performance represented in both truth table and bit stream form. These circuits will then be combined to illustrate their use in multi-digit addition and subtraction circuits. Flip-flop circuits whose output depends on both input values as well as internal state conditions are illustrated. Finally, the principles of digital circuits are employed to illustrate and understand counter/divider circuits as well as pseudo-random sequence generator shift register circuits.

Objectives

By the end of this module, you will be able to:

Construct basic half and full adder circuits and represent their performance in both truth table and fit stream forms.
Construct a four bit adder/subtractor circuit and describe its performance including the use of 2’s complement in the subtraction process.
Construct various types of flip-flop circuits with their associated performance.
Use a flip-flop circuit to construct counter, divider, and shift-register circuits.
Construct a pseudo-random sequence generator.

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Learning Guide

Cell description

Go to the module content and begin by downloading and reviewing the printed slide presentations. Then view the video presentation for a slide set. You can stop the presentation or replay sections if necessary to gain a good understanding of the material. Make any notes on your printed copy of the slides. After completing a slide presentation go to the self-test section and complete the test. This will reinforce the things you have learned and help you with any misunderstandings. Repeat this process for the next slide presentation set until you have viewed all of slides in the module content. Prepare and participate in the online discussion. The discussion questions can be found in the Discussion section below. Complete this module by submitting the module assignment as a PDF document. Please post any questions to the Q & A section of the Discussion Board.

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Module 14 Discussion

Cell description

Click the Module 14 Discussion link above to access and participate in this week's discussion by responding to the prompts below.

Question 1How does a half adder related to a full adder. How does a full adder related to a multi-bit adder?

Question 2The JK flip flops and D flip flops are activated by a clock signal. What do you think is the value of such circuits?

Question 3What are practical applications for flip-flop circuits?

Technical

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Module 14 Assignment

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Download the attached PDF which contains instructions for completing this assignment. Complete the assignment and submit your answers as a single PDF document by clicking the Module 14 Assignment link above.

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</li></ul></div></div>\n\n    <div class=\"vtbegenerated\"> \n <p>Download the attached PDF which contains instructions for completing this assignment. 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        "url": "https://blackboard.jhu.edu/webapps/assignment/uploadAssignment?content_id=_6258595_1&course_id=_177474_1&group_id=&mode=view",
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</li></ul></div></div>\n\n    <div class=\"vtbegenerated\"> \n <p>Download the attached PDF which contains instructions for completing this assignment. 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    "url": "https://blackboard.jhu.edu/webapps/assignment/uploadAssignment?content_id=_6258595_1&course_id=_177474_1&group_id=&mode=view",
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file_1.pdf
./attachments/cell_560/file_1.pdf