Concept:An online form needs a way to enter or select text data like a date of birth.Explanation:A keyboard is used to type the date of birth directly into the form.A mouse is used to click and select the date from a drop-down calendar.A joystick is not designed for typing or selecting text in an online form.A scanner cannot directly enter data into a form field; it only creates an image or file.Therefore, only a mouse and a keyboard can be used to capture a date of birth in an online form.Answer:The correct option is C. I and II only.