Ques 21. What is the main disadvantage of developing an application using an API ?
The application cannot use any special features of the backend server.
Is it helpful?
Add CommentView Comments
Ques 22. 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.
Is it helpful?
Add CommentView Comments
Ques 23. What are the four types of events ?
1. System Events. 2. Control Events 3. User Events 4. Other Events.
Is it helpful?
Add CommentView Comments
Ques 24. 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.
Is it helpful?
Add CommentView Comments
Ques 25. What is inheritance ?
Inheritance is a method by which properties and methods of an existing object are automatically passed to any object derived from it.