6. A macro causes duplicate source code to be inserted into a program if the macro is invoked more than once. a. True b. False

7. Replacing macro invocations with procedure calls tends to make a program run faster. a. True b. False

8. The IFNOTB directive permits assembly if its argument is not blank. a. True b. False

9. The IFNDIF directive permits assembly if two arguments are equal. a. True b. False

10. The IFDIFI directive performs a case-insensitive comparison between two arguments. a. True b. False