Computer Applications System in Management an application program (application or app for short) is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself, typically to be used by end-users. Word processors, media players, and accounting software are examples. Identify and discuss the four main functions of computer hardware: input, processing, output, and storage. Identify and describe major hardware components. Identify, describe and use communications and networking terminology and technology to include Internet operations and their uses. Describe the major operating system functions and demonstrate usage of operating system services to include: disk management, file management, and memory management. Identify and discuss computer ethics and security issues. Demonstrate searching, validation, and evaluation of information found online and in library databases. Identify, discuss and use important categories of application software: word processing, spreadsheet, database management, and presentation graphics. Identify and discuss software development processes and programming languages.