Not difficult. The problem description should be an excel table. Computer editing forms is still very easy to learn. As long as you know the whole text and the keys of the keyboard, you can get started quickly.

If you study software development, you may have too many junior high school degrees, because the algorithm and logic ability involved in software development still need to be based on a lot of mathematical knowledge.

System software is not aimed at a specific application field, while application software is the opposite. Different applications provide different functions according to users and service fields.

Application software is software developed for a specific purpose. It can be a specific program, such as an image browser. It can also be a group of programs with closely related functions that can cooperate with each other, such as Microsoft Office software. It can also be a huge software system composed of many independent programs, such as a database management system.