Which of the following statements is true regarding the use of refrigerants

What is a scenario where records stored in a computer frequently need to be checked

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

Write a program that begins by reading in a series of positive integers on a single line of input and then computes and prints the product of those integers. integers are accepted and multiplied until the user enters an integer less than 1. this final number is not part of the product. then, the program prints the product. if the first entered number is negative or 0, the program must print “bad input.” and terminate immediately