Computers have become an important part of our life and used for day-to-day working. In every field whether it is a school, college, business, home or hospitals, we use computers. A computer system consists of various parts, procedures and operations, which are known as computer hardware and software.

Both hardware and software have equal importance. In absence on one a computer cannot work. The components that can be seen or touched are known as hardware. The term software is used for all applications and operating systems used in computer. Computer perform its working on basis of such software.

The computer software is loaded into RAM, which is a computer memory and CPU can execute it. The computer can understand only machine language but it is not possible for humans to perform working in this language so it is written in high-level language that are compiled or interpreted into machine language.

There are different types of computer software i.e. system software, application software and programming software. System software supports the different functions of a computer system. Some examples of system software are operating systems, window systems, Linux, device drivers, servers etc.

Application software is designed achieve specific jobs like computer games, office sets, software for business or education etc. Private companies or large business firms are major users of this software. Programming software mainly consist of different tools that are used while writing computer programs. Some of the tools are connectors, interpreters debuggers etc.