Applea#39;s Macintosh is based on the PowerPC chip from Motorola; the current top of the line is the G3 series. Intel is the CPU ... Ita#39;s very important to buy good components. ... RAM memory is perhaps the best thing you can get for your machine a ita#39;s the working memory of the computer. ... I prefer the Western Digital brand for reliability and speed, and it has a 3- year warranty. ... damage the computer. ... Lousy video means things are hard to see on screen and it can give you headaches.