| A | B |
| Supercomputer | The fastest type of computer currently available. |
| Mainframe | A large computer systemcapable of quickly processing enormous quantities of data. |
| Minicomputer | A computer with many of the capabilities of a mainframe but runs slower. |
| Microcomputer | A small relatively inexpensive computer. |
| binary code | A sequence of 1s and 0s that is used to give instructions to computers. |
| microprocessor | The "brain" of a computeron a single chip. |
| notebook computer | A portable computer designed to fit into a briefcase and generally weighing under 10 pounds. |
| subnotebook computer | Similar to a notebook computer but smaller; it usuallyweighs under 5 pounds. |
| personal digital assistant | A small portable computer that fits into the palm of a hand. |
| workstation | A powerful, relatively expensive microcomputer, often used by engineers & technical illustators. |
| embedded system | A microprocessor that is built into a piece of electronic equipment, such as a VCR or automobile. |