Let X Be an Unsigned Int on a Machine with 4-Byte

Multiple Choice

Let x be an unsigned int on a machine with 4-byte unsigned ints. What effect does
X>>=1;
X<<=1;
Have?

A) There is no effect.
B) The leftmost bit of x is set to 0.
C) The rightmost bit of x is set to 0.
D) Both b) and c) .