20 or 30 becoming standard. This is a dedicated memory bank that the processor uses to speed up its operations. The size of the cache varies by processor design and PC model, but make sure you get one. Most software is now distributed primarily or only on CD, which makes for easy installation. Finally, you can play music CDs on your computer while you work.
CD burners allow easy CD duplication and more storage for backing up files.
2x supports all CD formats. They are not that expensive and won t add much to the overall cost. Check for dpi of at least .26 or lower. Zip drives are also useful for transporting large files. You need at least 4MB of Video RAM in order to display high resolution color images.