A company is building an expert system for use in stock trading. In which part will they have to invest the most if they have to a very extensive amount of data to store? A) Interface engine
B) reasoning engin
C) knowledge base
D) user Interface

Given int variables k and total that have already been declared, use a while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total. thus your code should put 11 + 22 + 33 + + 4949 + 50*50 into total. use no variables other than k and total.

What is the difference between the internet and the world wide web?

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?