| LEVEL |
|---|
| Circumference |
| Mod 4 |
| Code Breaker |
| LEVEL |
|---|
| NOT Gate |
| Half Adder |
| Full Adder |
| Bit Inverter |
| Byte NOT |
| Byte NAND |
| Adding Bytes |
| Signed Negator |
| Little Box |
| Arithmetic Logic Unit (ALU) 1 |
| Arithmetic Logic Unit (ALU) 2 |
| Conditions |
| Punchcard Programming |
| Assembly Programming |