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The word software is also sometimes used in a more narrow sense, meaning application software only. At the lowest level, executable code consists of machine language instructions specific to an individual processor âtypically a central processing unit (CPU).
List the Different Types of Computer Software Packages. Computer software provides instruction to the physical parts of the machine so the components know how to operate and work together. Software is also known as programs, applications, procedures and computer code. Computer software is based on hardware criteria; what may work on one type of machine does not necessarily work on another. Some types of software are installed when a computer is built and are critical for the machine to operate. Other software can be purchased separately or downloaded from the Internet, and added to the computer at any time. Computer games are one type of software available online.