| A | B |
| Desktop Microcomputer | a personal computer based on a microprocessor |
| WorkStation | a desktop computer that is conventionally considered to be more powerful than a microcomputer |
| Laptop or Notebook | a portable computer small enough to use on one’s lap |
| Mainframe | A large, powerful, expensive computer system capable of accommodating hundreds of users doing different computing tasks |
| Server | A computer and its associated storage devices that are accessed remotely over a network by users |
| Handheld | Compact enough to be used or operated while being held in the hand or hands: a hand-held video camera |
| Boot Process | Bootstrapping is the process of starting up a computer from a halted or powered-down condition |
| Input | information that is created or collected and fed into the system |
| Base 2 binary code | A numbering system with only two digits numbers are 0 and 1. All numbers are comprised of only these two digits |
| Data | facts used by a computer |
| Information | Processed, stored or transmitted data |
| Output | Useful information that leaves the system; i.e. processed information |