An attractive font effect that can be used for headlines and titles is ________

Which of the following CANNOT be represented by a single byte?

A) A letter of the alphabet such as Y B) A word such as Tom C) A number such as 45 D) A special character such as @

Services such as Apple Pay and PayPal are examples of __________.

A. electronic payment systems B. automated payment systems C. data-driven payment systems D. network-based payment systems