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Embedded Systems Mohammad A. Gowayyed (c) 2012 Mohammad A. Gowayyed1
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Acknowledgment Some slides are taken from – Dr Moustafa Amin’s slides (c) 2012 Mohammad A. Gowayyed2
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Embedded System What is an embedded system? (c) 2012 Mohammad A. Gowayyed3
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Who builds Smart Cars? Mechanical and production engineers Electrical engineers Software engineers (c) 2012 Mohammad A. Gowayyed4
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Toyota brakes problem A total of 133,000 Prius vehicles in the U.S. and 52,000 in Europe are to receive software update. (c) 2012 Mohammad A. Gowayyed7
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Properties of Embedded Software Real time applications – Delay should be bounded Limited resources – Power – Memory – CPU (c) 2012 Mohammad A. Gowayyed8
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Smart Phone What is a smart phone? – Phone – Computer - smart Allows for user programs – Calendar – Games (c) 2012 Mohammad A. Gowayyed9
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Components of Mobile Ecosystem Network – GSM /CDMA – Slow – GPRS – Faster – UMTS (3G) - Handset – Hardware – OS Services – SMS – Bluetooth – Java (c) 2012 Mohammad A. Gowayyed10
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Generations of Mobile Communication 0G 1G 2G 2.5G 3G 4G (c) 2012 Mohammad A. Gowayyed11
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Mobile Phone Evolution 1986: – Suitcase size – Battery 800g! 1990: – Halved in size – Again in 1994 Future talking about embedding phones in body 2000: Mobile phones outsold PCs for the first time ( 450 Millions vs 120 millions!) 2005: 200 millions per quarter! 2011: 427 millions only at 4Q11, total of 1,546 millions at 2011 and 5.9 billions mobile subscribers (87 % of the world population) (c) 2012 Mohammad A. Gowayyed12
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Manufacturers Nokia Samsung Apple Motorola (c) 2012 Mohammad A. Gowayyed13
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Manufacturers market share (c) 2012 Mohammad A. Gowayyed14
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Feature of Good OS Resource limited – Battery – Memory – CPU Robustness User interface (for small screen) Libraries Development tools (c) 2012 Mohammad A. Gowayyed15
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Available OS’s Symbian Linux Windows CE Palm OS Android iPhone OS Platforms – J2ME (c) 2012 Mohammad A. Gowayyed16
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(c) 2012 Mohammad A. Gowayyed17
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(c) 2012 Mohammad A. Gowayyed18
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Your turn! Questions? Suggestions? (c) 2012 Mohammad A. Gowayyed19
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