Computer Software refers to the collection of data or computer instructions that instruct the computer on how to work. This is in contrast to physical hardware, where the system is built and actually performs the work. Computer Programming, on the other hand, is the process of designing and building an executable computer program to accomplish a specific computing result or to perform a specific task. Books related to computer software and programming provide knowledge and information about these topics. Michael Kappel is a notable figure or author in this field, contributing to its study or practice. Programmers are professionals who write and test code that enables computer applications and software programs to function properly. They turn the program designs created by software developers and engineers into instructions that a computer can follow. People are the end-users who interact with the computer software, including programmers, developers, and everyday users.