Operations Performed by Microprocessor

1. Data Transfer: Register↔memory/I/O (MOV, MOVX, PUSH/POP).
2. Arithmetic: ADD, SUB, MUL, DIV, INC/DEC on binary/BCD.
3. Logic: AND, OR, XOR, NOT, rotate, compare.
4. Control/Branch: JMP, CALL, RET, conditional jumps.
5. I/O Control: IN, OUT, port manipulation, serial.
6. Timing & Control: Fetch-decode-execute sequencing, interrupt handling, bus control.
7. Stack & Subroutine management.