You Are Given an E-R Diagram with Two Entities,ORDER and CUSTOMER,as

question 93

Multiple Choice

You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above,and are asked to draw the relationship between them.If a given customer can place only one order and a given order can be placed by at most one customer,which of the following should be indicated in the relationship symbol between the two entities?

• A)0:1
• B)1:1
• C)1:N
• D)N:1
• E)N:M

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Definitions:

Central Nervous System

Comprises the brain and spinal cord, responsible for processing information and controlling most functions of the body and mind.

Rescorla

A reference to Robert A. Rescorla, a psychologist known for his work with Pavlovian conditioning, particularly concerning the role of cognitive processes in classical conditioning.

Electrical Stimulation

The use of electrical currents to stimulate nerves or brain regions for therapeutic purposes or in research to understand neural function.

Olds and Milner

Researchers known for their discovery of the brain's reward system through experiments involving electrical stimulation of the brains of rats.