The 2 main groups of software are application software program and system software. The most usual type of software program, application software application is a computer software bundle that executes a certain feature for a customer, or in some instances, for an additional application. System software sits in between the https://login.johnshopkins.edu/cgi-bin/allinonelogin.pl?BASIC=FALSE&AUTHDB=PROD&RD=20120821&TYPE=33554433&REALMOID=06-825dbfbd-c8ef-4149-b808-373309ff3d1f&GUID=&SMAUTHREASON=0&METHOD=GET&SMAGENTNAME=-SM-yMHbGqoMdEpl70C0r7eR3i54ZzRdkf4uUNR1Ol7nufsXyPWRfibckWi5vN%2bHvei4&TARGET=-SM-HTTPS%3a%2f%2fsoftware-tool.com&TIMESTRING=1402019323