CIS 1000 Lecture Notes - Lecture 4: Application Software, Open-Source Software, Proprietary Software
22 Oct 2016
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Document Summary
Everything you do on your computer is through software. Hardware components allow your computer to communicate with you and the software components determine how that communication takes place. All software consists of a set of instructions that tells the computer what to do. An instruction set, also called a program, provides a means for us to interact with computers even without specialized programming skills. Difference between application software and system software: System software can run independently of application software, while application software cannot run without the presence of the system software. System software is installed along with the operating system but application software can only be installed when the system software is already in place and ready to use. Every new computer comes with software preinstalled, including an operating system and some application software. You can download this type of software from the internet or you can buy it on a.
