Physical component means Computer Hardware which you can touch and non Physical component means Software, which you can not touch. nonphysical component designed specially for physically component. like Microsoft company designed Software according the Hardware for example Microsoft windows 64 bit could not install on which 32 bit Architecture Hardware.
Sound, Audio for engineering sound Quality's.
(TCO 2) In C++ terminology, (Points : 4) a ... a class object is the same as a class instance. a class object is the same as a class member. a class object is the same as a class access specifier.
