Answer
CCC
Work Step by Step
Use Table 16.4 to find equivalent values.
$110011001100_2=\underbrace{1100}\underbrace{1100}\underbrace{1100_2}=CCC_{16}$
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C\ \ \ \ \ \ \ C\ \ \ \ \ \ \ \ C$