Answer: The graphical user interface
Explanation:
The graphical user interface (GUI) is a form of user interface that allows user of a device interacts with it through graphical icons or cursors, text based commands or audio commands. The functionality of a GUI is a consequence of the direct manipulation of its graphical elements. Specialized GUIs that allows for speech based commands are called natural user interfaces.
A higher frequency than the analog cell phone.
Answer:
False.
Explanation:
A stethoscope is a medical instrument which is used for listening to the work of the heart and lungs. It consists of a microphone that rests on the patient's chest, and rubber tubes that bring the sound to the earphones. An ordinary stethoscope does not have any moving or electrical parts, as it only mechanically conducts sound from the patient's chest to the doctor's ear. One of the simplest examinations that doctors perform today is listening to the lungs and heart with a stethoscope. With the help of this instrument, noises are heard during the work of the lungs and heart.
