Question 16 :
What is the main advantage of developing an application using an API ?
The application can be connected to any back end server that is supported by the API.
Question 17 :
What is the main disadvantage of developing an application using an API ?
The application cannot use any special features of the backend server.
Question 18 :
Why is an event driven program referred to a passive program ?
Because an event driven program is always waiting for something to happen before processing.
Question 19 :
What are the four types of events ?
1. System Events.
2. Control Events
3. User Events
4. Other Events.
Question 20 :
What is the difference between file server and a database server ?
A file server just transfers all the data requested by all its client and the client processes the data while a database server runs the query and sends only the query output.