Four-bit Ring Counter Sequences
| Straight ring/Overbeck counter | Twisted ring/Johnson counter | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| State | Q0 | Q1 | Q2 | r3 | State | Q0 | Q1 | r2 | Q3 | |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | |
| 2 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | |
| 3 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 1 | 0 | |
| 0 | 1 | 0 | 0 | 0 | 4 | 1 | 1 | 1 | 1 | |
| 1 | 0 | 1 | 0 | 0 | 5 | 0 | 1 | 1 | 1 | |
| 2 | 0 | 0 | 1 | 0 | 6 | 0 | 0 | 1 | 1 | |
| 3 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 1 | |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
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Famous quotes containing the words ring and/or counter:
“Ring out the old, ring in the new,
Ring happy bells, across the snow:
The year is going, let him go;
Ring out the false, ring in the true.”
—Alfred Tennyson (1809–1892)
“I’d take the bus downtown with my mother, and the big thing was to sit at the counter and get an orange drink and a tuna sandwich on toast. I thought I was living large!... When I was at the Ritz with the publisher a few months ago, I did think, “Oh my God, I’m in the Ritz tearoom.” ... The person who was so happy to sit at the Woolworths counter is now sitting at the Ritz, listening to the harp, and wondering what tea to order.... [ellipsis in source] Am I awake?”
—Connie Porter (b. 1959)