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:
“Rich and rare were the gems she wore,
And a bright gold ring on her hand she bore.”
—Thomas Moore (17791852)
“Often, when there is a conflict between parent and child, at its very hub is an expectation that the child should be acting differently. Sometimes these expectations run counter what is known about childrens growth. They stem from remembering oneself, but usually at a slightly older age.”
—Ellen Galinsky (20th century)