Final answer:
HAS-A/D represents composition or aggregation in computer science and programming.
Step-by-step explanation:
HAS-A/D is an abbreviation commonly used in computer science and programming to represent the concept of composition or aggregation, which is a relationship between objects. In this context, 'HAS-A' refers to a class or object having another class or object as a member or attribute, while 'HAS-D' refers to a class or object having another class or object as a dependency. These concepts help in designing modular and reusable code.
The use of 'HAS-A' or 'HAS-D' is typically found in the section of object-oriented programming or software design principles in a computer science or programming curriculum.