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DrQuine
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Re: Very clever - and useful
DrQuine   3/15/2014 2:23:12 PM
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As long as we live in a competitive economy, there will be multiple user interfaces on telephones. If I pick up someone's Android, I don't know how to use the advanced features - and if they pick up my iPhone, they probably suffer the same problem. In addition to the fact that not all APPs run on all phones, this explains the justification for dual-OS Smartphones. I'm not saying that having competing operating systems is necessarily beneficial, I'm just thinking about how to deal with the reality. While phone interfaces may not be "misison critical", when they get incorporated into the operating systems of cars, there might be serious consequences if drivers cannot figure out how to operate their car.

elctrnx_lyf
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Re: Very clever - and useful
elctrnx_lyf   3/15/2014 2:03:32 PM
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Why do we really need two OS in a phone? All we need is very well usable phone with single OS.

DrQuine
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Re: Very clever - and useful
DrQuine   3/14/2014 6:08:23 PM
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Dual-OS systems would be very useful if there were APPs that were available for only one device or if different users were experienced with different operating systems. Elsewhere on EETimes there have been discussions of cars utilizing smartphone technologies and the problems that would develop if a driver only familiar with the "Android" interface were to rent an "iPhone" interface vehicle. Dual boot systems would solve the problem.

Scudrunner
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Very clever
Scudrunner   3/14/2014 12:34:25 PM
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..but I can't think why anyone would want such a device?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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