Write an expression that constructs a mask of type unsigned in which there is a single 1 bit in bit position k, where bits are numbered from 0 starting at the right end of the word. For example, if k...

Write an expression that constructs a mask of type unsigned in which there is a single 1 bit in bit position k, where bits are numbered from 0 starting at the right end of the word. For example, if k is 2, the expression should generate the following mask: