Please answer all 4 parts thank you

5.

What is the value of the following 8-bit data type?

0b1111_1100

12.

What is the value of the following 8-bit data type?

0b1111_1001

15.

Widening an unsigned data type causes C++ to do which of the following?

Incorrect answer:

sign-extend

options: zero-extend, value-entend, or null-extend ?

21.

A logical right shift is selected in C++ only with______data types.