Which of the following contains the address of the next software instruction?
a. interrupt control register
b. program counter
c. stack pointer
d. instruction register

What computer network component allows data transfers from one computer to another through a telephone line?

Font size, font style, and are all aspects of character formatting.

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names