Find the 2s complement of binary number `(10101001)_2` ?

Explanation

To find the 2's complement of the binary number \( (10101001)_2 \), we can follow these steps:

### Step 1: Find the 1's Complement
To find the 1's complement of a binary number, we need to flip all the bits. This means changing every 0 to a 1 and every 1 to a 0.

For the binary number \( (10101001)_2 \):
- The first bit is 1, so it becomes 0.
- The second bit is 0, so it becomes 1.
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