How it works
Credit card terminals are commonly seen in restaurant and retail businesses. Terminals appear in three versions; the traditional terminal, wireless credit card terminal, and the virtual terminal. The traditional terminal has a magnetic stripe reader, a keypad to enter prices and other information, and a small display. The displays are usually measured line lines and columns: an 8 x 20 display has 8 lines of text, 20 columns wide.Wireless credit card terminals have built-in printers that enable you to carry it around. The factors you need to seriously consider are battery life, range, weight, and shock-resistance since it is going to be at arm's length during business hours.
When you talk about virtual terminals, it is a software that handles the credit card transaction, you simply type in the credit card number and the software handles the authorization.
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