Which pattern is most similar to how stages are related in Atkinson and Shiffrin's information-processing model?

Which of these is most responsible for differences between the twentieth century to the twenty-first century?

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.

What is a scenario where records stored in a computer frequently need to be checked