Professional ethics covers responsible behaviour in technology, including privacy, intellectual property, security, honesty and accountability. If your target role involves professional ethics, include at least one demonstrable project rather than mentioning the topic only as a skill. This point is specifically relevant to the professional ethics aspect of MCA study. For this specific question about professional ethics, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: What practical exposure can students get in professional ethics?