An embedded system is a dedicated computer system comprised of mechanical, electrical, and chemical components designed for specific functions within a complete device. These systems are prevalent in various applications including automobiles, telecommunications, smart cards, and consumer electronics, categorized by performance and microcontroller type. Although they offer advantages like efficiency and lower costs, they also present challenges such as difficulty in upgrading and limited hardware scalability.

2. An embedded system combines
mechanical, electrical, and chemical
components along with a computer,
hidden inside, to perform a single
dedicated purpose. There are more
computers on this planet than there are
people, and most of these computers
are single-chip microcontrollers that
are the brains of an embedded system.
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3. An embedded system is a dedicated computer
system designed for one or two specific functions.
This system is embedded as a part of a complete
device system that includes hardware, such as
electrical and mechanical components.
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4. 1. Embedded Systems in Automobiles and in
telecommunications
 Motor and cruise control system
 Body or Engine safety
 Entertainment and multimedia in car
 E-Com and Mobile access
 Robotics in assembly line
 Wireless communication
2. Embedded Systems in Smart Cards, Missiles
and Satellites
 Security systems
 Telephone and banking
 Defense and aerospace
 Communication
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5. 3. Embedded Systems in Peripherals &
Computer Networking
 Displays and Monitors
 Networking Systems
 Image Processing
 Network cards and printers
4. Embedded Systems in Consumer
Electronics
 Digital Cameras
 Set top Boxes
 High Definition TVs
 DVDs
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7. 1. Based on their performance and
functional requirements
 Stand alone embedded systems
 Real time embedded systems
 Networked embedded systems
 Mobile embedded systems
2. Based on the performance of
the microcontroller
 Small scale embedded systems
 Medium scale embedded systems
 Sophisticated embedded systems
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9.  Small size and faster to load
 More specific to one task
 Easy to manage
 Low cost
 Spend less resources
 These operating system is dedicated to one
device so performance is good and use less
resources like memory and micro-processors
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10. Difficult to upgrade
If any problem occurs then you need to reset
settings
Nearly not scalable
Hardware is limited
Troubleshooting is difficult
Difficult to transfer data from one system to
other
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