Peripheral devices are generally auxiliary devices such as mouse, keyboard, card reader, pen drives, microphones, graphics cards, etc. that are connected with the computer are work in some way with it. In Point of sale (POS) devices card reader are used to read debit or credit cards.
The point of sale system is the point where the customer purchased the product and at the same time they given the money so here the time and place should be recorded also the retail transaction is also completed. Here it represents the amount in an invoice prepared by the store and also presents the varies of options for payment through which the customer could choose it
basically it is the place where the products is purchased and the payment is made along with it the taxes are also applicable
So in the given situation, the option B is correct as it derives the input peripheral
The Americans had a greater nuclear power with more than 300 land based intercontinental ballistic missiles (ICBMs) and a fleet of Polaris submarines. The Soviet Union had only 4 to 6 land based ICBMs and around 100 short range primitive V1 type cruise missiles that could only be launched from surfaced submarines.