Answer:
1. Receipt printer
Use of receipt printer:
i. They are used to print customer transaction receipts for proof.
2. Touch screen monitor
Use of touch screen monitor:
i. Allow record of when, where, price, and other important information about the sale conducted.
Explanation:
A Point of sale (POS) terminal takes record of transactions at the point where a product is purchased or a service is rendered. A barcode reader is a price scanner that is an input device used in a point-of-sale (POS) terminal. The keyboard is also an input device. The receipt printer is an output device since it converts information into a readable format. While only a touch screen monitor among the other devices mentioned above is an input and output device, because of its touch panel and its ability to display information.
