| A | B |
|---|
| supercomputer | the fastest type of computer currently available, it is very expensive and primarily used for number-crunching |
| mainframe | a large computer system capable of quickly processing enormous quantities of data |
| minicomputer | a computer with many of the capabilities of a mainframe, but runs slower, has less memory, and costs somewhat less. |
| microcomputer | a small, relatively inexpensive computer, usually designed to be used by one person at a time. |
| binary code | a sequence of 1s and 0s that is used to give instructions to computers. Generally speaking, a 1 is represented by the presence of electrical current (or a switch being on) while a 0 is represented by its absence (or a switch is being off) |
| microprocessor | the brain of a computer on a single chip |
| notebook computer | a portable computer designed to fit into a briefcase and generally weighing under 10 pounds. the display screen is usualli in the notebook |
| subnotebook computer | similar to a notebook computer but smaller; it usually weighs under five pounds. |
| pesonal digital assistant | a small portable computer that fits into the palm of a hand. a stylus is used to give instructions and choose from lists of options.(PDA) |
| workstation | a powerful, relatively expensive microcomputer, often used by engineers and technical illustrators. workstations use risc technologuy and often use a unix operating syustem |
| embedded system | a microprocessor that is built into a piece of electronic equipment, such as a vcr or automobile, any instructions needed by the microprocessor are hard coded into it |
