Answer: A primary key that is made up of more than one attribute is known as a composite key.
Answer:
I don't think a pocket watch is considered a computer based off of my logic. Other people may think differently tho.
Explanation:
Answer:
objects
Explanation:
pointer are used for the objects
Depends on the state but usually;
1. A state I.D. card
2. A U.S. passport
3. A U.S. citizen certificate
4. A U.S. military I.D. card