Question

Connecting external devices like 

printer/LCD projector.

Answer 1

Using the Projector, Wired Connection – Step by Step

Select Laptop (or Laptop 1 or Laptop 2 if there are multiple connections) on the touchscreen panel interface in the classroom to turn on the projector. ...Connect the VGA or HDMI cable to your laptop. ...Turn on or wake up your computer if it was not already on.

Answer 2

Printer is used to print the desired page in hard copy whereas LCD projector helps in displaying the desired page in the specific area.

Both these devices are widely utilized in the business field to get more benefit from the business usage.

You must know the connection principles before to using these devices.