Let x be an int on a machine with four-byte ints. What effect does x < >=1; have? The leftmost bit of x is set

Let x be an int on a machine with four-byte ints. What effect does

x<<=1;

x>>=1;

have?

The leftmost bit of x is set to zero.

The rightmost bit of x is set to zero.

The value of x is multiplied by 2.

There is no effect. C programming