You can type comments to yourself in the ____ for a specific slide while working in Normal view.

________ smart cards are convenient for transportation services such as an auto-matic toll payment.

(a) Contact. (b) Contactless. (c) Contact and contactless. (d) None of the above.

IF NOT Sensor_1 Then;

Fill in the blank(s) with the appropriate word(s). What is wrong with each of the following lines of code?