I am a non-volatile type of built-in memory. I store my contents long-term. My job is to store critical programs that the computer needs to access in order to boot up. What am I? A.
BIOS

B.
random access memory (RAM)

C.
read only memory (ROM)

D.
hard disk drive memory

Johnson enterprises uses a computer to handle its sales invoices. lately, business has been so good that it takes an extra 3 hours per night, plus every third saturday, to keep up with the volume of sales invoices. management is considering updating its computer with a faster model that would eliminate all of the overtime processing.

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

Lakendra finished working on her monthly report. in looking it over, she saw that it had large blocks of white space. what steps could lakendra take to reduce the amount of white space?