actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.
how pumping of concrete effects the quantity of material used in it?
How are BAPI different from Normal function modules ?
What is test metric is software testing and what information does it contains?
What are the phases involved in software testing life cycle?
What is the name of linux version of silverlight?
What are the characteristics of negative feedback?
What is the role of isikawa/ fishbone diagrams in determining root causes of risks?
what is use of apache in web server?
What is the exception hierarchy in java?
Who is the father of php?
What is deadlock? Explain.
What is a stat command?
In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring
how to print selected text?