This document presents a summary of computer applications in business from 1990 to the present day. It discusses six generations of computers including the sixth generation which are intelligent computers based on artificial intelligence. It then summarizes several important sixth generation computers and their features: PowerBook introduced by Apple in 1991, Pentium Microprocessor released in 1993, Sun Ultra workstation introduced in 1996, iMac released by Apple in 1998, Apple iMac Pedestal Computer which used a flat screen mounted on a pedestal, and Power Mac G5 introduced in 2003 which was Apple's most powerful computer at the time and the first 64-bit desktop computer.