Which of the following devices are only computer output devices? Choose the correct answer from the options given below.

Plotter, projector and speaker each only send results out of the computer, placing Statement 2, Statement 4 and Statement 5 in the output group.

Statement 2, a plotter, draws vector graphics and large technical drawings onto paper.

Statement 4, a projector, casts the display image onto a wall or screen.

Statement 5, a speaker, turns digital signals into audible sound.

Statement 1, a scanner, and Statement 3, a light pen, both feed data into the computer, making them input devices.

A monitor is output only, whereas a touch screen is both input and output.