What were vacuum tubes used for?

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What is working principle of profibus?

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what is SDH and PDH relate the differences between them?

3 Answers   Ericsson, Tata Teleservices,

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What is a p-n junction diode? State and explain some of its applications.

0 Answers  

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What are the advantages & disadvantages between analogue & digital communications?

3 Answers  

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hi i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. pis inform to

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how many smtp connectors can be created among one parent domain and three child domain

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Explain why vestigial side band is used in tv signal transmission?

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sir/madam, i've applied for the post of section engineer. i shall highly be obliged if you could help me out with some sample papers.

0 Answers  

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Battery banks are in connected in series or parallel and why?

2 Answers   Huawei,

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im ranjith having 63%in my b tech with 25 backlogs,cleard all .. im having 1100 in gre and 90 in my toefl can i get visa? im planning spring 2011 pls help me i applied for i20 im applying 4 universities pls help me can i get visa? shall i prefer canada if i could not get visa?

0 Answers  

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Which type of modulation is used in TV transmission?

38 Answers   ACC, Cognizant, College School Exams Tests, LG, TCS, Videocon,

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