Which type of input peripheral is most prevalent in a Point of Sale system?A. External USB storage. B. Card reader.
C. Thermal receipt printer.
D. Projector.

The type of input peripheral that is most prevalent in a Point of Sale (POS) system is a: B. Card reader.

An input peripheral can be defined as an electronic device that is typically designed and developed for sending data to a computer system such as a Point of Sale (POS). Thus, it is used for entering data (information) into a computer system.

In Computer technology, some examples of input peripherals include the following:

A card reader is a type of input peripheral that is used in a Point of Sale (POS) system to receive payments in e-commerce stores or markets, especially by inserting or swiping a credit card in the Point of Sale (POS) system.

Read more on input peripheral here: link

B. Card reader.

Explanation:

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

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