The correct answer is: B. POS terminal
A POS terminal is a computer terminal used for accepting payments at the point of sale (POS). It is a combination of a cash register and a computer, and it is used to process credit and debit card transactions. POS terminals typically have a keyboard, a display screen, and a printer.
An intelligent terminal is a computer terminal that has its own processing power and memory. It can be used to perform tasks such as data entry, word processing, and spreadsheet calculations.
A video display terminal (VDT) is a computer terminal that displays text and graphics on a screen. It is typically used to interact with a computer program.
An audio response unit (ARU) is a computer terminal that produces spoken output. It is typically used to provide instructions or feedback to users.
E is not the correct answer because it is not a type of terminal device.