Match the terms to their definitions. 1. list the fields you want to use. step 3 2. test the fields with records and actions you plan to use. step 1 3. revise the fields as needed. step 4 4. repeat the test. step 2

Examine the list below. which factors positively affect lifetime income? check all that apply.

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

Which of the following statements is incorrect in relation to processes: while, strictly speaking, at any instant of time, the cpu is running only one process, in the course of 1 second, it may work on several of them, giving the illusion of parallelism a process is just an instance of an executing program, including the current values of the program counter, registers, and variables processes can be created when an operating system is booted, created by the user, or a running process can create children processes there is a master process, which when started can last forever, and is not killable