The pitch of the tone is determined by its ________, the number of variations in the signal per second

Vista's speech recognition feature can be used to force a PC into executing some commands.

Answer the following statement true (T) or false (F)

What is displayed by the C statements that follow if the value input is 9?

``` scanf("%d", &num); if (90 < num <= 100) printf(“Grade is an A.”); else printf(“Grade is less than an A.”); ``` a. Grade is an A. b. Grade is less than an A. c. true d. false e. The code will not compile.