Which of the Following Is a Disadvantage of Using an Electronic

Which of the following is a disadvantage of using an electronic scheduler?

A) Multiple users may use it at any time.
B) You can keep a list of patients who want earlier appointments.
C) You can search for appointments by appointment type needed.
D) You must look at each page to find a patient's forgotten appointment.
E) If the computer is down, the day's schedule is not accessible.