Microprocessors - Engineering

Q1:

Consider the following in object oriented programming
  1. An object is a self contained element of a computer program which represents a related group of interests.
  2. Each object has a specific role in a program.
  3. All objects can work with other objects in defined ways.
  4. Objects are also called instances
Which of the above are correct?

A All

B 1, 2 and 3 only

C 1 and 2 only

D 1, 2 and 4 only

ANS:A - All

All are correct.