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| Q. |
Carry out BCD subtraction for (68) – (61) using 10’s complement method. |
| A. | 00000111 |
| B. | 01110000 |
| C. | 100000111 |
| D. | 011111000 |
| Answer» A. 00000111 | |
| Explanation: first the two numbers are converted into their respective bcd form using 8421 sequence. then binary subtraction is carried out. | |
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