What are use c language in computer and why learn c language ?
The C programming language is used to build various computer softwares such as MS Windows, Linux and others like ms office and etc.
You may want to learn the C language to build such programs or any other or may be start a career in software development.
C languages are programing languages used in operating system softwares, as embedded programmes.
C language is used in embedded systems and for someone applications of windows os