📘 computer arithmetic
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Fixed Point Arithmetic 454D00
1. **Problem statement:**
Given the real numbers $X=25.125$ and $Y=39.625$, express them using fixed-point binary and hexadecimal coding, then perform binary arithmetic operations
2S Complement Subtraction
1. **Stating the problem:** We need to perform the subtraction $-27 - 19$ using 2's complement representation.
2. **Formula and rules:** In 2's complement, subtraction $A - B$ is d