Lower speed processors are ideal for powering basic computing tasks, such as word processing, spreadsheets, and other office-related functions. The more memory, the more work your computer can handle without being overwhelmed. Consider buying more memory to ensure that your new portable will handle future software titles and programs. HPA uses passive matrix technology while TFT uses active matrix. Passive matrix is a cost-effective technology, so you'll save money but sacrifice visibility.
Active matrix is the more advanced technology, offering a clearer, brighter view from many angles.
This is particularly important if you plan to use your portable computer for presentations. An active matrix screen is your best option of the two, provided that you can absorb the slight additional cost. There are internal expansion slots, such as PC Card slots, and external, such as RJ-11, SVGA, and USB ports. They allow you to add components, like modems, network cards, and drives to your portable computer. While they are often referred to as internal expansion slots, they do not require you to open the computer.