When you develop an application using a three-tiered architecture, the classes in the middle layer are typically

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.

Research data that is presented using descriptive language is said to be

Setting up a home network using wireless connections is creating a a. vpn b. lan c. wan d. mini-internet