what is ISDN?

3 Answers  

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I've an interview for post of Lecturer in a ece Department. Can anyone send me some possible questions that can be helpful for me???????

0 Answers  

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why the pic micro controller have internal eeprom?But in 8051 have only rom and ram.

0 Answers  

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Explain how to identify how many states the ripple counter is having by looking at the figure as it can also have some invalid states?

0 Answers  

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What are the maintenances of a PLC ?

0 Answers  

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1,8,28,99,412

1 Answers   RBI,

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who found the first transister

6 Answers   Airtel, Nokia, Satyam,

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We all know about DC concept,i.e +ve connected to +ve ,-ve connected to -ve. If landline phones lines are dc lines,then how it works even if the polarties are interchanged??

1 Answers   Infosys,

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Why in TV transmission amplitude modulation is used for Video and FM for Audio. Is is possible FM for Video transmission

8 Answers   Sail,

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which is preferred in ckts for x-or operation a) 1 x-or gate b) 4 nand gates

1 Answers  

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Define what is meant by voltage regulation of a dc power supply?

0 Answers  

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How many carrier frequencies are there in GSM-900/DCS-1800? How much is the separation between the carrier frequencies?

2 Answers  

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