What is the purpose of system software? to perform specific useful computing tasks, like word processing and calculation to provide basic operational functionality by coordinating hardware components to perform operations inside a web browser in many different operating systems to translate high-level software programming into machine language as it is run

What are procedures that keep a data base current

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.

How do we use the sumif formula (when dealing with different formats) ?