1. (2 points) The data type char and the data type are often interchageable in C++. a. double b. float c. int d. string 2. (2 points) What will happen if a char is cout' d as an int? a. the character will be displayed b. the ASCII value of the character will be displayed c. it will not compile d. it will produce a run-time error 3. (2 points) What is the ASCII value of the character ' 1 '? 4. (2 points) What is the ASCII value of the character ' c '? 5. (2 points) Write a cout statement to display the ASCII value of the character stored in a char variable called ch. Assume that ch has been properly declared and contains a value. 6. (2 points) Explain what tolower() does to a character. The answer should include the argument(s) that are passed to tolower0 (if any) and what it returns. should contain the value 4. Assume that ch and int Val have been properly declared. 8. (2 points) Write a switch statement to print out a string depending on the value of a char variable called ch. If - ch is 'a print "excellent" - ch is 'b' print "good" - ch is 'c" print "ok" 0 if ch is anything else, print "invalid