Digital Logic - Number representations and computer arithmetic
57. The octal equivalent of 111 010 is
- Option : B
- Explanation :
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58. Consider excess-3 code that is used to represent integers 0 through 9 as shown below :
Number | Code ( a b c d ) |
0 | 1100 |
1 | 0010 |
2 | 1010 |
3 | 0110 |
4 | 1110 |
5 | 0001 |
6 | 1001 |
7 | 0101 |
8 | 1101 |
9 | 0011 |
 Which of the following expressions is the correct one for an invalid code ?
- Option : C
- Explanation :
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59. In 2's complement addition , overflow
- Option : D
- Explanation :
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