Why is cpu called the brain of the computer

"in program arrays12.java a swap method is called. does the swap method exchange parameter values x and y? "

Python write an expression that executes the loop body as long as the user enters a non-negative number. note: if the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "program end never reached." the system doesn't print the test case that caused the reported message. sample outputs with inputs: 9 5 2 -1

How do you write an argumentative essay about the importance of free enterprise ?