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Unlimited number of ICs 7490, 78492 and 7493 are available. Which of these could be used to build the dividse-by-60 circuit of fi | |
A. | 7490 [Wrong Answer] |
B. | 7492 [Wrong Answer] |
C. | combination of 7490 and 7492 [Correct Answer] |
D. | combination of 7492 and 7493 [Wrong Answer] |
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