Explain input,output,processing in withdrawing money from ATM
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An ATM is simply a data terminal with two input and four output devices. Like any other data terminal, the ATM has to connect to, and communicate through, a host processor. The host processor is analogous to an Internet service provider (ISP) in that it is the gateway through which all the various ATM networks become available to the cardholder (the person wanting the cash).
Most host processors can support either leased-line or dial-up machines. Leased-line machines connect directly to the host processor through a four-wire, point-to-point, dedicated telephone line. Dial-up ATMs connect to
using an ATM machine
paying in the supermarket
using SIMS
buying film tickets
buying clothes online
buying aeroplane tickets online
setting off a smoke alarm
walking through a metal detector in the airport
working in a call centre
renting a DVD
swiping your Oyster card
selecting a song on your MP3 player
sending an email
sending a text message on your phone
playing a CD
operating a microwave oven
opening a Word document
DESCRIBE IT IN TERMS OF ITS INPUT, PROCESSING, OUTPUT, STORAGE AND FEEDBACK. You have to think about this one – it will be hard – but have a go, no-one will judge you if you mess it up. I reckon we will all learn a lot from this question.
Most host processors can support either leased-line or dial-up machines. Leased-line machines connect directly to the host processor through a four-wire, point-to-point, dedicated telephone line. Dial-up ATMs connect to
using an ATM machine
paying in the supermarket
using SIMS
buying film tickets
buying clothes online
buying aeroplane tickets online
setting off a smoke alarm
walking through a metal detector in the airport
working in a call centre
renting a DVD
swiping your Oyster card
selecting a song on your MP3 player
sending an email
sending a text message on your phone
playing a CD
operating a microwave oven
opening a Word document
DESCRIBE IT IN TERMS OF ITS INPUT, PROCESSING, OUTPUT, STORAGE AND FEEDBACK. You have to think about this one – it will be hard – but have a go, no-one will judge you if you mess it up. I reckon we will all learn a lot from this question.
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