To answer this question, you need to understand the different quantity categories used when output dataset space is required.
Option A) Primary, Secondary, Directory - This option is incorrect because it does not represent the quantity categories used when output dataset space is required.
Option B) Address, Units, CONTIG or ALS - This option is incorrect because it does not represent the quantity categories used when output dataset space is required.
Option C) Displacement and length - This option is incorrect because it does not represent the quantity categories used when output dataset space is required.
Option D) Megabytes, Kilobytes, and Bytes - This option is incorrect because it does not represent the quantity categories used when output dataset space is required.
Option E) None of the above - This option is incorrect because there is a correct answer.
The correct answer is A) Primary, Secondary, Directory. These are the quantity categories used when output dataset space is required. Primary refers to the main storage space allocated for the dataset. Secondary refers to additional storage space allocated if the primary space is not sufficient. Directory refers to the space allocated for the dataset's directory information.
Therefore, the correct answer is A) Primary, Secondary, Directory.