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Digital Computer Electronics - Section 5 Multiple Questions and Answers.
| 21. | An OR gate has 6 inputs. What is the only input word that produces a 0 output? | ||
| A. | 0 | ||
| B. | 111 | ||
| C. | 111000 | ||
| D. | 111111 | ||
| 22. | A diagram that illustrates the ore (Logic) of functions in a program called a | ||
| A. | Flowchart | ||
| B. | Sequence of steps | ||
| C. | Direction of flow | ||
| D. | All of the above | ||
| 23. | The Gray code for decimal 7 is | ||
| A. | 111 | ||
| B. | 1011 | ||
| C. | 100 | ||
| D. | 101 | ||
| 24. | The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as | ||
| A. | rise time | ||
| B. | decay time | ||
| C. | binary level transition period | ||
| D. | propagation delay | ||
| 25. | Conversion of binary number 1010000101112 to hexadecimal number is | ||
| A. | D8F916 | ||
| B. | A8B916 | ||
| C. | A1716 | ||
| D. | D9F816 | ||
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