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FDs in Entities:
Student entity:
Enrolment number → Student name, Address
Course Entity:
Course code → Course name
Instructor/ Teacher Entity:
Instructor → Office
Question 1: a) What is the difference between a non-impact and impact printer? b) Which type of printer is generally used in a supermarket to print your receipt? Describe
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List and also explain the dissimilar stages of DDLC ?
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