____ memory allocation makes it unnecessary to reserve a fixed amount of memory for a scalar, array, or structure variable in advance.

A branch instruction in which the branch is always taken is _________.

A. conditional branch B. unconditional branch C. jump D. bi-endian

In the _________ unit, all font sizes are always expressed relative to the font size used in the html element.?

Fill in the blank(s) with the appropriate word(s).