In x86 assembly, partial registers allow access to smaller parts of the full CPU registers (like 8-bit or 16-bit parts of EAX, EBX, etc.). These partial registers can be used in arithmetic operations such as add.

Addition is one of the most fundamental operations in assembly language. In x86 architecture, the add instruction performs arithmetic addition on registers, memory, or immediate values.

alt text Registers are tiny storage spaces inside a computer’s CPU (Central Processing Unit). They’re super fast and are used to hold data the CPU needs right now, like numbers being added or memory addresses.

In assembly, mov stands for “move”, but it doesn’t actually move data — it copies data from one location to another.

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