These determine the assumed/default size of instruction operands, and restricts which opcodes are available, and how they are used.
Modern operating systems, booted inside Real mode,
| import random | |
| import math | |
| import copy | |
| def euclid(a,b): | |
| '''returns the Greatest Common Divisor of a and b''' | |
| a = abs(a) | |
| b = abs(b) |