Describe the fetch-execute cycle

Which of the following “invisible” marks represents an inserted tab?

Pp 4.1 design and implement a class called sphere that contains instance data that represents the sphere’s diameter. define the sphere constructor to accept and initialize the diameter and include getter and setter methods for the diameter. include methods that calculate and return the volume and surface area of the sphere (see pp 3.5 for the formulas). include a tostring method that returns a one-line description of the sphere. create a driver class called multisphere, whose main method instantiates and updates several sphere objects.

The keyboard usually has six rows of keys. which of the following is not one of the key group categories? letter keys number keys control keys graphic keys