It is good practice for a class to provide a toString() method that provides an object’s ____ representation.

What are the basic differences between the fitness-based model [ 3] and the varying intrinsic fitness-based model [ 4]? Distinguish these two models in the light of analytical determination of scaling exponents. Compare the above evolution models with the preferential attachment– based model.

The Internet brought ____________________ to virtually all computers that could reach a phone line or an Internet-connected local area network.

Fill in the blank(s) with the appropriate word(s).