If you work as a clerk in a store,

If you work as a clerk in a store, you might use a computer to computer a sale for a customer
• Input data : As you scan an item with a barcode reader, the computer record the name and code of the item.
• Process data : the computer use software instructions to process the data the item name by look up the price .
• Output information : the computer display the information the name and the price of the item-on a screen and then print it on a receipt.
• Store data information : the computer temporarily stores the item name and code as it looks up the price, and then permanently stores in information about sale on a hard disk which hardware for storing data
This series of steps-input, process, output and storage (IPOS) is often referred to as the information processing cycle. You the computer user , perform the input step first, and then the computer takes over to process the data . The computer often stores the data temporarily displays the output, and then stores the information during the same stage in the cycle.