ELEC 225 - Digital Electronics II
| JOHNSON COUNTY COMMUNITY COLLEGE |
| TECHNOLOGY DIVISION |
| ELECTRONICS |
| COURSE OUTLINE |
| Title: Digital Electronics II | Effective Term: Spring 2009 | |
| Number: ELEC 225 | Credit Hours: 3 | Contact Hours: 5 |
| Course Type: Career | Lecture Hours: 2 | Lab Hours: 3 |
Description:
Students will continue their study of digital concepts and will learn how
to build digital circuitry using digital integrated circuit chips and
basic concepts of computer organization. In additional, emphasis will be
placed on learning how to troubleshoot digital circuits and digital
systems. Each student will build a digital computer through a series of
laboratory projects. 2 hrs. lecture, 3 hrs. lab/wk.
Supplies: Refer to the instructor's course syllabus for details about any supplies that may be required.
| Prerequisite: | ELEC 125 Digital Electronics I |
Textbook(s): For information see - http://bookstore.jccc.net
Course Fees: NONE
Course Objectives:
Upon successful completion of this course the student should be able to:
- Construct and troubleshoot digital systems containing TTL and CMOS integrated circuits.
- Analyze and use decoders, encoders, multiplexers, and demultilplexers.
- Analyze and use digital-to-analog and analog-to-digital converters.
- Identify the characteristics of various memory devices.
- Draw the block diagram of a basic computer.
- Write and assemble programs for a basic computer.
- State the cycle-by-cycle operation of a simple computer.
- Troubleshoot and find faults in digital circuits and systems.
Content Outline & Competencies:
I. Integrated Circuit Logic Families A. List voltage and current characteristics for TTL and CMOS integrated circuit logic families. B. Use data manuals to find information about specific integrated circuit chips. C. Build and troubleshoot digital circuits using integrated circuit chips. II. Memory Devices A. Describe the characteristics of ROM, EPROM and EEPROM. B. Describe the characteristics of static RAM and dynamic RAM. C. Define terms used in describing memory. III. Computer Mathematics A. Perform binary and twos complement addition. B. Analyze the addition process taking overflow into account. C. Use hexadecimal representation to twos complement numbers. IV. Digital Computer Organization A. Describe the Von Neuman architecture. B. Define terms relating to computer organization. C. Write assembly and machine language programs for a simple computer. D. Draw the block diagram of a simple computer. E. List cycle-by-cycle actions of a simple computer. F. Analyze the control circuitry of a simple computer. V. Data Handling Logic Circuits A. Analyze decoder circuits and IC chips. B. Analyze encoder circuits and IC chips. C. Analyze multiplexer and IC chips. D. Analyze demultiplexer circuits and IC chips. E. Analyze BCD-to-7 segment decoder drivers. VI. Interfacing with the Analog World A. Analyze digital-to-analog conversion circuits. B. Analyze analog-to-digital conversion circuits. C. Calculate resolution, percent resolution, step size and output levels. D. Define the concept of accuracy in the conversion process. VII. System Analysis and Troubleshooting A. Build simple digital computer. B. Troubleshoot simple digital computer. C. Program and operate simple digital computer.
Methods of Evaluation of Competencies:
Evaluation of student mastery of course competencies will be accomplished using the following methods:
A minimum of four tests 60-70% of grade
Laboratory projects 30-40% of grade
100%
Grading Scale:
90-100% = A
80- 89% = B
70- 79% = C
60- 69% = D
0- 59% = E
Caveats: NONE
Disabilities:
If you are a student with a disability, and if you will be requesting accommodations, it is your responsibility to contact Access Services. Access Services will recommend any appropriate accommodations to your professor and his/her director. The professor and director will identify for you which accommodations will be arranged.
JCCC provides a range of services to allow persons with disabilities to participate in educational programs and activities. If you desire support services, contact the office of Access Services for Students With Disabilities (913) 469-8500, ext. 3521 or TDD (913) 469-3885. The Access Services office is located in the Success Center on the second floor of the Student Center.

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