The Question Mark

question 67

Multiple Choice

The question mark (
) after an element in a DTD means that:

• A) there are many occurrences of that item.
• B) there could be any number of occurrences of that item.
• C) the item can appear at most once.
• D) All of the above

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Definitions:

Reward

An incentive or positive reinforcement that promotes a desired behavior by providing pleasure or satisfaction.

Place Cells

Place cells are specialized neurons found in the hippocampus of the brain that become active when an animal is in or is thinking about a specific location in its environment, playing key roles in navigation and memory.

Grid Cells

are types of neurons in the brains of many animals that allow them to understand their position in space, crucial for navigation.