Lanugage of the Computer

Different number systems:

• Decimal
• Octal
• Hexadecimal
• Binary

The range of an int in C++ is $-2^{3}1\to 2^{3}1-1$. This is because the leftmost bit is assigned for negative values.

Design principles:

1. Simplicity favors regularity
2. Smaller is faster
3. Make the common case fast
4. Good design demands good comprimise