To answer this question, we need to understand the different sections in Easytrieve and identify which section is not present.
Let's go through each option to understand why it is correct or incorrect:
Option A) ENVIRONMENT SECTION - This option is incorrect. The ENVIRONMENT SECTION is a valid section in Easytrieve. It is used to define the environment variables and settings for the program.
Option B) LIBRARY SECTION - This option is incorrect. The LIBRARY SECTION is a valid section in Easytrieve. It is used to include external libraries or modules that are required by the program.
Option C) ACTIVITY SECTION - This option is incorrect. The ACTIVITY SECTION is a valid section in Easytrieve. It is used to define the processing logic and actions to be performed by the program.
Option D) FILE SECTION - This option is correct. The FILE SECTION is not present in Easytrieve. Unlike other programming languages, Easytrieve does not have a dedicated FILE SECTION for defining file structures. Instead, file definitions are done within the DATA SECTION.
The correct answer is D) FILE SECTION. This option is correct because the FILE SECTION is not present in Easytrieve.