Write a program that reads a line of text, changes each uppercase letter to lowercase , and place each letter both in queue and onto a stack. the program should then verify whether the line of text is palindrome (a set of letters or numbers that is the same whether read forward or backward).

Sam is a data analyst at an advertising firm. he often uses a spreadsheet that contains media ratings details. he would like to filter the spreadsheet data based on different filter criteria. which operators can he use to specify the combination of filter criteria? sam can use the ( blank ) operators to specify a combination of filter criteria.

What characteristic of long period comets suggest they come directly from the oort cloud?

What are three software programs for mobile computing?