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Digital Computer Electronics - Section 6 Multiple Questions and Answers.
| 11. | In boolean algebra, the times sign stands for the _____ operation | ||
| A. | AND | ||
| B. | OR | ||
| C. | NAND | ||
| D. | NOR | ||
| 12. | What logic function is obtained by adding an inverter to the output of an AND gate? | ||
| A. | OR | ||
| B. | NAND | ||
| C. | XOR | ||
| D. | NOR | ||
| 13. | Conversion of an octal number 74328 to a binary number is | ||
| A. | 11110001101112 | ||
| B. | 1111000110102 | ||
| C. | 1100110101112 | ||
| D. | 1111111110002 | ||
| 14. | Conversion of an octal number 1438 to hexadecimal number is | ||
| A. | 6316 | ||
| B. | 6016 | ||
| C. | 5016 | ||
| D. | 5716 | ||
| 15. | The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a _____ RAM. | ||
| A. | volatile | ||
| B. | static | ||
| C. | semiconductor | ||
| D. | bipolar | ||
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