You can purchase a second DVD drive for your personal computer or the computers in a small business office for less than $20 as of May 2012. The process is easy ...

Reader Fred wants to know if a laptop hard drive can be plugged into a desktop PC. “The pin out appears to be the same,” he notes, “but there is no separate power-supply connector.” Short answer: yes.

External hard drives are convenient and inexpensive devices you can use to expand the storage space on your computer. You can use an external hard drive on your work computer for all of the same tasks ...