What are functional and non-functional requirements in software engineering?

Iterative model is a way of developing software's where the whole project is divided into smaller chunks like designing, developing, testing, etc. to maintain a healthy hierarchy, so that it becomes easy to manage and track the advancement.

Incremental model displays a procedure used to build complex systems, with the basic idea of adding new features to the existing system rather than building the entire system from ground zero.

System Software: Used for operating computer hardware so that they can work independently.Application Software: They are designed for the completion of a specific task so they cannot work or run independently, they need to depend on a specific system.

To split the item descriptor in a workspace project BOM into two separate columns, NUMBER and TITLE, Divide the BOM into columns and right-click the cell and click Split.

Yes, using Buildmaster software one can generate 3d elevation of a building from the same plan at various levels.