I taught him Microprocessor and Interfacing and Professional Ethics.

Here Microprocessor and Interfacing is the first subject, and Professional Ethics is the second. The same professor taught me these two subjects.

What is the proper way to write this sentence?

  • 1
    Try using the ampersand for a closer connect. Use a comma for disambiguation. Microprocessor & Interfacing, and Professional Ethics. This is not necessarily "the proper" way to write, but it works.
    – Kris
    Commented Jun 28, 2014 at 6:55
  • @Kris That sounds better. I will use that untill I find a better option. Commented Jun 28, 2014 at 13:57

1 Answer 1


He was my student in Microprocessor and Interfacing, and Professional Ethics.

(When speaking, you would use a pause to separate the two class names. The comma serves the same purpose. Personally, I would also say "and in" rather than "and" in this case, for the same reason... but that's officially optional.)

  • You don't need the second "in." This is a perfect example of an Oxford comma (albeit with only two entries in the list).
    – DrRandy
    Commented Jun 28, 2014 at 15:26
  • You don't need the second "in", agreed. However, I would use it for clarity.
    – keshlam
    Commented Jun 28, 2014 at 19:09
  • @DrRandy The Oxford comma has its uses, as in this case.
    – Kris
    Commented Jun 30, 2014 at 5:32
  • I'm a fan of the Oxford, Kris :)
    – DrRandy
    Commented Jun 30, 2014 at 5:34

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