Headphones are a type ofΒ output device that can be connected to a computer's line-out or speakers port, as well as wirelessly using Bluetooth. They are also referred to as earbuds. You can watch a movie or listen to audio without bothering anyone nearby by using headphones.
A projector or image projector is an optical device that projects an image onto a surface, commonly a projection screen. More scientifically it can be stated as, A projector is an output device that can take images generated by a computer or Blu-ray player and reproduce them onto a screen, wall, or other surface.Β
A Printer electronic device that accepts text files or images from a computer and transfers them to a medium such as paper or film. It can be connected directly to the computer or indirectly via a network.Β
A touch screen is an electronic display screen that is also an input device. A user interacts with the computer, tablet, smartphone or touch-controlled appliance by using hand gestures and fingertip movements to tap pictures, moving elements or type words on the screen.Β