What are the basic functions of the following software packa

What are the basic functions of the following software packa What are the main functions of Parliament? What are the functions of operating system? What are the Functions of computer? What are the functions of CET4? what are some of the basic necessities for every family? what are the basic characteristic of living organism What are the functions of Parliament How does the law-making What is the basic function of paging Find the domain and range of the following functions.(求定义域和值 英语翻译（只是题干）如下：The following functions are all infinitesimals What are the English fot the following?