Digital Logic - Combinational Circuits
| A. Shift register can be used | 1. for code conversion |
| B. A multiplexer can be used | 2. to generate memory slip to select |
| C. A decoder can be used | 3. for parallel to serial conversion |
| 4. as many to one switch | |
| 5. for analog to digital conversion |
Input | Outputs | ||||
A | A | B | Cin | Sum | CarryOUT |
0 | 0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 1 | 1 | 0 |
0 | 0 | 1 | 0 | 1 | 0 |
0 | 0 | 1 | 1 | 0 | 1 |
1 | 1 | 0 | 0 | 1 | 0 |
1 | 1 | 0 | 1 | 0 | 1 |
1 | 1 | 1 | 0 | 0 | 1 |
1 | 1 | 1 | 1 | ? | ? |
