Sec 4. Chap 19 : Hardware and software. Flashcards
System software.
System software provides a platform for running a computers hardware and software applications. Acts as a virtual environment by disguising the complexity of computer management in a user friendly manner.
The interface between the hardware and software application.
operating software
An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs.
Utility programs
used for optimising the computers performance.
Performance and background task, memory management, back ups etc.
Libaries
Functions, pieces of software that can be called upon by the operating system to perform regular tasks.
Application software
Software used by users to complete basic tasks.
General purpose : multirole software that has a wide field of operability. (word)
Special purpose : software designed for the specific usage of one role. (Hotel booking system).
Special purpose can be shelf purchased, or bespoke (custom built). Bespoke will however be more expensive and include more bugs.