List the four categories into which classes fall.

Which of the following is NOT one of the four major functions of a computer?

a. input b. processing c. indexing d. storage

____________________ can be used to identify the authors of the program, give the date when the program is written or modified, give a brief explanation of the program, and explain the meaning of key statements in a program.

Fill in the blank(s) with the appropriate word(s).