| A | B |
|---|
| Calculator | CPU functions like a |
| 1 hertz | 1 cycle per second |
| man in the box | analogy of the microprocessor |
| External Data Bus | A way of communicating to the CPU |
| wires | external data bus actually looks like little |
| binary system | 1 or 0 |
| Register | analogous to a worktable |
| AX BX CX DX | Intel CPU registers |
| microprocessor's Machine Language | Processors use a code book of commands |
| Lines of code | machine language commands placed on the external data bus |
| Instruction Set | Machine language commands that the CPU understands |
| Clock Wire | analogous to a bell that is rung each time information needs to be processed |
| Clock Cycle | single charge to the CLK wire |
| 2 | CPU requires at least ___ clock cycles to act on a command |
| Clock Speed | maximum number of clock cycles a CPU can handle |
| quartz oscillator | Clock Speed |
| system crystal | determines the speed at which the CPU and the rest of the PC operate |
| 1 gigahertz | 1 billion cycles per second |
| 1 megahertz | 1 million cycles per second |
| Intel 8088 | known as the granddaddy of PC microprocessors |
