The document discusses different types of programming languages and software. It describes low-level languages like machine code and assembly language that are close to computer instructions, as well as high-level languages that are more user-friendly. It provides examples of assembly language and machine language. It also compares system software, which acts as an interface, to application software which is designed for users and can be installed independently. Finally, it lists some popular application software used in the last 5 years like office software, graphics software, open source software, MySQL, and communication software.