For those that need the power of a desktop in many locations, often a laptop or a tablet PC is the way to go. Even just a few years ago, laptops cost several thousand dollars, but prices have fallen rapidly which have opened the market up to a much larger audience. College students, IT admins, Road Warrior salespeople, and others can purchase enough computing power for their needs. Current debat...

Computer memory, also called RAM (Random Access Memory) is the short term memory for a computer or electronic device. When a program is loaded, information is taken from the hard drive and placed into the computer's memory so that it is ready for the computer's processor to receive and do something with. Most computers can accept between 2-4 "sticks" of RAM. They're sometim...