Which are the two input and four output devices in an automatic teller machine?
Answers:
Two input devices in the ATM:
Card reader (reads the card information)
Keyboard (reads the inputs provided by the user)
Four output devices:
Screen
Cash Dispenser
Receipt Dispenser (Printer)
Sound alerts (speakers)
They can vary depending on your model (if it accepts deposits it will have an envelope feeder), but most have the above-mentioned devices at least.
Input is information that you need to put in. So think about what you give the machine. It reads your debit card, so the card reader is on input. And you type pin codes and such, so the keypad is a second input.
As for output, it gives you money (1), prints a receipt (2), displays what is happening on the screen (3), and I'm not sure about the last one, but technically the speaker that beeps is (4).
I will say;
Two Inputs are Keypad and Video Cam.
4 Outputs as above, Money, Receipt, Video and Voice.
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