Hi this is Supriyo here describing about CAD.
? AUTOCAD is very usefull in every engineers( CE, ME, EE, AE etc.) life.
? using in different stream
?CE mainly used this for making building structure
?ME mainly used it for their machine drawing purpose
?EE used this softwere for circuit drawing
?AE drawn their design in autocad
? autocad is very easy to learn. Main student are learn in autocad2007. Bt autocad13 nd autocad15 is also very usefull.