Define computer software, system software, application software with their citations? ?

Computer software refers to a collection of programs, data, and instructions that enable a computer system to perform specific tasks or functions. It includes both system software and application software.

System software is a type of computer software that provides a platform for running other software applications and manages computer hardware resources. It is essential for the operation of a computer system. Examples of system software include operating systems, device drivers, and utility programs.

According to Techopedia, "System software is a type of computer program that is designed to run a computer's hardware and application programs. If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications."

Citation:
Techopedia. (n.d.). System Software. Retrieved from https://www.techopedia.com/definition/24360/system-software

Application software, on the other hand, refers to computer programs that are designed to perform specific tasks or functions for end-users. It is created to meet the needs of users and can be categorized into various types such as productivity software, entertainment software, and educational software.

According to TechTarget, "Application software is a type of computer program that performs a specific personal, educational, and business function. Each program is designed to assist the user with a particular process, which may be related to productivity, creativity, and/or communication."

Citation:
TechTarget. (n.d.). Application Software. Retrieved from https://searchsoftwarequality.techtarget.com/definition/application-software

Name two classification of software