Answer:
3
Explanation:
ER model can be used and is based on three basic concepts: Entities, Attributes & Relationships.
An entity can be place, person, object, event or a concept, which stores data in the database.
Relationship is nothing but an association among two or more entities. A weak entity is a type of entity which doesn't have its key attribute.
Answer:
gigahertz (GHz )
Explanation:
A “cycle” is technically a pulse synchronized by an internal oscillator, but for our purposes, they're a basic unit that helps understand a CPU's speed
the answer is A) to control access to network resources
Answer:
The importance of saving money is simple: It allows you to enjoy greater security in your life. If you have cash set aside for emergencies, you have a fallback should something unexpected happen. And, if you have savings set aside for discretionary expenses, you may be able to take risks or try new things.