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Digital Computer Electronics - Section 1 Multiple Questions and Answers.
| 31. | If A ⊕ B = C, then: | ||
| A. | A ⊕ C = B | ||
| B. | B ⊕ C = A | ||
| C. | A ⊕ B ⊕ C = 0 | ||
| D. | Both (a) & (b) | ||
| 32. | A small dot or circle printed on top of an IC indicates: | ||
| A. | Vcc | ||
| B. | Gnd | ||
| C. | Pin 14 | ||
| D. | Pin 1 | ||
| 33. | The number of two input multiplexers required to construct a 210 input multiplexer is: | ||
| A. | 31 | ||
| B. | 10 | ||
| C. | 127 | ||
| D. | 1023 | ||
| 34. | The full adder adds the Kth bits of two numbers to the: | ||
| A. | difference of the previous bits | ||
| B. | sum of all previous bits | ||
| C. | carry from ( K - 1 )TH bit | ||
| D. | sum of previous bit | ||
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