This lab assignment intends to turn your keypad into a musical keyboard by setting it up in such a way that each key generates a different note (frequency) when pressed. Each button on the keypad should generate one of the notes on the equally tempered scale where middle A is exactly 440Hz. Your code should output tones conforming to musical notes which are 2^(1/12)

Which of the following is the definition of role-based access control ( rbac)? (a) ensures that data has not been accidentally or intentionally modified without authorization. (b) access control system where rights are assigned based on a user’s role rather than his or her identity. (c) ensures that private or sensitive information is not disclosed to unauthorized individuals. (d)the principle in which a subject—whether a user, an application, or another entity—should be given the minimum level of rights necessary to perform legitimate functions.