engineering recuitment UPMRC JE 2024 Mock Test Digital Electronics Number System and Binary Codes Binary Codes
The excess-3 binary code is a self-complementing code because
i. The binary sum of a code and its 1's complement is equal to 1111
ii. It is a weighted code
iii. Complement can be generated by inverting each bit pattern
iv. The binary sum of a code and its 2's complement is equal to 1111
1
i, ii, iv
2
ii, iv
3
i, iii
4
None of the above