Introduction to Information Technology.Information technology (IT) is the application of computers and telecommunications equipment to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise. … We shall call it information technology (IT).” Introduction to Information Technology.Information technology (IT) is the application of computers and telecommunications equipment to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise. … We shall call it information technology (IT).”