| A | B |
|---|
| hardware | physical components of computer |
| control unit | part of the CPU |
| arithmetic logic unit | part of the CPU |
| control unit | directs the order of operations |
| arithmetic logic unit | handles computations |
| microprocessor | CPU is placed on this chip |
| machine language | on and off |
| byte | a single character |
| clock speed | determines internal crystal pulses |
| K | a thousand bytes |
| address | designates a storage area |
| RAM | allows data and instructions to be stored and changed |
| secondary storage | supplemental storage located outside of primary storage |
| CD ROM | used laser beams to read data |
| peripheral devices | input and output devices outside the CPU |
