Registers
- A register is a digital storage
- An n-bit register stores n bits
- A flip flop is a 1-bit register
Shift Registers
Circuit
Example
| In | |||||
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | |
| 0 | 1 | 0 | 0 | 0 | |
| 1 | 0 | 1 | 0 | 0 | |
| 1 | 1 | 0 | 1 | 0 | |
| 1 | 1 | 1 | 0 | 1 | |
| 0 | 1 | 1 | 1 | 0 | |
| 0 | 0 | 1 | 1 | 1 | |
| 0 | 0 | 0 | 1 | 1 |
Notice how a
Parallel Access Shift Registers
Implementation
