What is module, main module and sub module?
- Module is a small, logical and manageable part of a program.
- Module is divided into two parts:
- Main module
- Sub moodule
- What is main module and sub module?
- Main module:
The top-level module which is located at the top of all procedures such
as SUB-Procedures or FUNCTION is called main-module. It is the entry
point of modular programming.
Procedure names and parameters are declared and called from the main-module.
- Sub module:
Sub-Module is a program, which is written under the main module. A
modular program may have one or more than one modules or procedures
under main-module. A Sub-Module may have other Sub-Modules.