Which of the following is used for input and output both
A
Graph plotter
B
Teletype terminal
C
Line printer
D
All of the above
E
None of the above
Correct Answer: Teletype terminal
A teleprinter (teletypewriter, teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations.