KwickClips Computer Systems · 41 sec · free
Why does 11 come before 10?
Short answer. Gray code order, so neighbours differ in one bit.
How many boxes for 4 variables?
16.
K-map sizes
| Variables | Boxes | Layout |
|---|---|---|
| 2 | 4 | 2 by 2 |
| 3 | 8 | 2 by 4 |
| 4 | 16 | 4 by 4 |
Remember
| Order: 00, 01, 11, 10 |
| Edges wrap around |
In a K-map, why does one one come before one zero? Gray code order. Two variables give four boxes. Three give eight. Four give sixteen, and neighbours differ in one bit. Two rules. Use Gray code order. Edges wrap.
This clip is from the full lesson: Canonical SOP and POS Forms and Karnaugh Maps — 9 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ISC Class 12 Computer Science (868), ISC Class 12 Computer Science (868)
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