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S kills : none

Embedded computers. S kills : none C oncepts : embedded computer, RAM , ROM, sensor , effector, the “Internet of things”. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. . Where does this topic fit?. Internet concepts Applications

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S kills : none

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  1. Embedded computers Skills: none Concepts: embedded computer, RAM, ROM, sensor, effector, the “Internet of things” This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

  2. Where does this topic fit? • Internet concepts • Applications • Technology • Implications • Internet skills • Application development • Content creation • User skills

  3. I/O to and from things, not people CPU Input devices Memory Output Devices Storage devices (programs and data)

  4. Things with computers inside (embedded)

  5. What are the embedded computer’s input and output devices?

  6. Special purpose computer General purpose computer Programs in fixed, read only memory (ROM) Programs in volatile, random access memory (RAM)

  7. Where is the program for this computer? When is it loaded? Does it ever change?

  8. ten million lines of code

  9. Sensors

  10. Effectors

  11. Self-driving cars What sensors and effectors would be needed for a self-driving car?

  12. The Internet of things

  13. Summary CPU Input devices Memory Output Devices Storage devices (programs and data)

  14. Self-study questions Is an embedded computer more likely to keep its program in RAM or ROM? Explain. What are the input, output and storage devices on a tablet computer? What are the input, output and storage devices on a smart phone? Are smart phones special purpose or general purpose computers? What are the input, output devices of an ATM machine? Where do ATM machines store information? Where is the program of an ATM machine? When you cook something in a microwave oven for one minute, what is the embedded computer programmed to do when the time runs out? We talked of sensors for measuring temperature and acceleration. What other type of sensors are available for today’s computer systems? Give an example of an effector that is controlled by an embedded computer. What is some of the information your car can communicate using onStar or Ford Synch? What are some privacy issues raised by automotive information systems? What sensors and effectors are used by today’s self-parking cars?

  15. Self-study questions What are the input and output devices on this computer?

  16. Resources New York Times article on ARM, the leading designer of chips for embedded systems: http://www.nytimes.com/2010/09/20/technology/20arm.html?_r=1&th&emc=th ARM Web site, with many examples of embedded applications and an overview of their product line:http://www.arm.com/ Risks of embedded smart phones: http://blogs.mcafee.com/enterprise/mobile/why-does-my-car-have-its-own-smartphone The risk of software error in cars: http://www.economist.com/blogs/babbage/2010/05/techview_cars_and_software_bugs The use of embedded computers in cars: http://spectrum.ieee.org/green-tech/advanced-cars/this-car-runs-on-code/0 Computers in Ford cars: http://reviews.cnet.com/8301-13746_7-20004555-48.html The Qualcomm tri-corder X-prize: http://www.qualcommtricorderxprize.org/competition-details/faqs Teaching topic on self-driving cars: http://bit.ly/YzKtsm

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