The easiest and cheapest time to alter the information system is in the phase of the sdlc. a. requirements analysis b. system definition c. component design d. implementation

Which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

From excel to powerpoint, you can copy and paste a. cell ranges and charts, one at a time. b. cell ranges and charts, simultaneously. c. charts only. d. cell ranges only.

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