An embedded system is defined as a device that contains a programmable computer but is not intended as a general purpose computer. Embedded systems have a microprocessor or microcontroller as their core component and are used in devices like ATMs, camcorders, fax machines, televisions, cruise missiles, home security systems, and standby generators. An ATM is an automated teller machine that allows customers of a bank access to financial transactions without a human clerk by providing 24-hour access to cash, account balances, cheque books, bill payments, account statements, and pin changes.

1. Embedded system
Definition:
•It is any device that includes a
programmable computer but is
not itself intended to be a
general purpose computer.
•The core of embedded system is a
Microprocessor or a
Microcontroller.

2. Embedded system
 Examples:
 Automated teller machine.
 Camcorders.
 Fax machines.
 Television.
 Cruise missile.
 Home security system.
 Standby generators.

3. ATM
What is an ATM?
 An automated teller machine is a
computerized telecommunications
device that provides the customers
of a financial institution/bank with
access to financial transactions in a
public space without the need for
human clerk or bank teller

4. ATM

5. Functions of ATM
 24-hour access to cash
 View account balances
 Order cheque book
 Pay your utility bills
 Refill your Prepaid card
 Account statement
 Change your pin

6. Disadvantages of ATM
 Fraud
 Theft
 Fake currency
 Card deactivation
 Difficult to operate for
illiterate persons