ISO is the abbreviation for International Organization for Standardization, head-quartered in Geneva. This is a world standards body, in which most countries are members. ISO is engaged in formulating standard specifications in a variety of disciplines such as quality management, information technology, metrology, etc. There is also another world body called International Electro-Technical Commission (IEC),which specializes in formulating standard specifications, pertaining to the electro-technical area, i.e.eletrical and electronics engineering areas. ISO has published many standards. One of the most acclaimed standard worldwide is the ISO 9000 family of standard.