Q: Did the phone Alexander Graham Bell use have call waiting?
A: no
Explanation: Call waiting was invented in the 1970's to allow phone users to suspend one call to accept another. Alexander Graham Bell's phone was used in 1876.

Q: Would costumes with robes and pointy hats be helpful for Macbeth?
A: yes
Explanation: Macbeth features scenes with three witches throughout the play. Witches are often displayed with pointy hats and long black robes.

Q: Can binary numbers and standard alphabet satisfy criteria for a strong password?
A:
no
Explanation: The criteria for a strong password according to cybersecurity company Avast is: at least 15 characters. uppercase letters. lowercase letters. numbers. and symbols. The standard alphabet contains twenty six letters but no special characters. Binary numbers only contain 0 and 1.