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Digital Computer Electronics - Section 7 Multiple Questions and Answers.
| 21. | The digits used in a binary number system are _____ and _____ | ||
| A. | 9 and 0 | ||
| B. | 0 and 1 | ||
| C. | 1 and 2 | ||
| D. | 3 and 4 | ||
| 22. | The 2-input XOR gate has a high output only when the input bits are _____ | ||
| A. | even | ||
| B. | different | ||
| C. | low | ||
| D. | high | ||
| 23. | Conversion of binary number 10010102 to to its decimal number is | ||
| A. | 7410 | ||
| B. | 9710 | ||
| C. | 7210 | ||
| D. | 6310 | ||
| 24. | A combinational logic circuit which generates particular binary word or number is | ||
| A. | decoder | ||
| B. | multiplexer | ||
| C. | encoder | ||
| D. | demultiplexer | ||
| 25. | Conversion of binary number 1100002 to hexadecimal is | ||
| A. | 3016 | ||
| B. | 4016 | ||
| C. | 4316 | ||
| D. | 2716 | ||
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