Describes program functions to help the user operate the computer system

Sequences of instructions for the computer

Computer system platform:
Combination of a hardware configuration and systems software

Systems Software : Set of programs that coordinates the activities and functions of software and other programs

Application software includes all the programs needed to keep a computer and its peripheral devices running smoothly

Middleware is a type of

Handling messages from input and output devices is considerd as a function of the operating system

System utilities are loaded into memory

Providing networking capability is considered as an activity of the operating system

Help to perform maintenance or correct problems with a computer system

Hardware utilities are considered as one of common types of utilities

Software that allows different systems to communicate and exchange data

Middleware Can't be used as an interface between the Internet and older legacy systems

Service-oriented architecture (SOA): Uses modular application services to allow users to interact with systems, and systems to interact with each other

refers to programs that enable the user to be productive when using the computer

Application software in most cases, resides on the computer’s main memory