Explanation:
A class is called an object factory because objects are created from a class. An object is an instance of a class.
Answer:
Entities are - Students, CourseList, Advisor and CourseSelection.
Explanation:
The database is structure is designed using Crow Foot Database Notation as attached
Answer:
Someone can make a histogram instead of a bar chart if distributions of variables are need to be represented and if data is quantitative.
Explanation:
Histograms are drawn to represent distributions of variables whereas bar charts are used to compare various variables. Histograms plot quantitative data whereas bar charts plot categorical data.
So, someone can make a histogram instead of a bar chart if distributions of variables are needed to be represented and if data is quantitative.
Failure of the <u>Brake master </u>cylinder will often result in sudden unexpected loss of the ability to stop the vehicle
<u>Explanation:</u>
The ability to stop the vehicle lies with the Brakes. If brakes of a vehicle do not work properly then it might become difficult to stop the vehicle. This happens when a cylinder called brake master cylinder fails.
The brake master cylinder might not work properly with the passage of time or it can form internal leaks. This is the master cylinder and it controls other cylinders in a vehicle. Its failure affect the brakes badly, it will be unsafe to drive such a vehicle.
