difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)

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what is amplification factor

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What are the basic logic gates?

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Pls send me the papers for Section engineer exam for railways.Its on 9th oct-08.Its urgent.My id is abhay_jg@yahoo.com

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Which of the transistor currents is always the largest? Which is always the smallest? Which two currents are relatively close in magnitude?

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what are the differences between dcs & plc & scada?

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4 stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change

1 Answers   Verifone,

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Explain the difference between dcs & plc & scada?

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What is the full form of SDH???

1 Answers   State Bank of Hyderabad SBH,

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what do you use instead of the place of transistor and mosfet can you achieve the result without using transistor and mosfet

1 Answers   MAHINDRA,

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how many type of network protocol

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what is difference between electronics&electrical

7 Answers  

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