What are the six external parts of a computer?

These tools give presenters more freedom to move about the room and interact with their audience. laptop computer laser pointer lcd projector remote control

What is html ? give a small description about html

Johnson enterprises uses a computer to handle its sales invoices. lately, business has been so good that it takes an extra 3 hours per night, plus every third saturday, to keep up with the volume of sales invoices. management is considering updating its computer with a faster model that would eliminate all of the overtime processing.