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RET 122 Introduction to Digital Electronics

ND1 levelComputing & ICT26 topics

RET 122 covers 26 topics. StudyPath paces them into daily study sessions that finish before your exam date, with practice questions and worked answers for each one.

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Course outline

The topics this course covers, in teaching order.

  1. Analog and digital signals
  2. Applications and advantages of digital/analog signals
  3. Number systems: binary, octal, hexadecimal
  4. Number base conversion
  5. Binary arithmetic and complements
  6. Logic gates and truth tables
  7. Universal gates, IC logic and logic families
  8. Boolean algebra and logic implementation
  9. Karnaugh maps and logic simplification
  10. Combinational circuits: adders and subtractors
  11. Multiplexers and de-multiplexers
  12. Solar thermal system installation
  13. Solar thermal components sizing
  14. Solar thermal safety practices
  15. Testing and commissioning of solar thermal systems
  16. Wind energy system installation
  17. Wind turbine components
  18. Wind turbine troubleshooting
  19. Wind turbine maintenance
  20. Hydropower system installation
  21. Civil works and penstock installation
  22. Powerhouse and turbine-generator installation
  23. Wiring, controls and commissioning in hydropower
  24. Biomass energy systems
  25. Biomass system installation and commissioning
  26. RE troubleshooting and preventive maintenance

A sample from this course

One topic, as StudyPath teaches it.

Analog and digital signals

Analog signals vary continuously over time and can take any value within a range, whereas digital signals change abruptly between discrete levels. Mastering the distinction, the characteristics of each, and how analog signals are converted to digital form is essential for understanding the operation of digital circuits, ADCs, DACs, and communication systems in the NUC CCMAS, NBTE, and NCCE syllabi.

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