Information technology — Keyboard layouts for text and office systems — Part 1: General principles governing keyboard layouts

ISO/IEC 9995-1:2006 specifies various characteristics of keyboards used by information technology equipment (ITE). It identifies the sections of the keyboard and specifies the general shape and relative placement of the sections. It covers spacing of keys and physical characteristics of the keyboard. It specifies a key numbering system which applies to all types of numeric, alphanumeric and composite keyboards of ITE. It finally states the principles governing the placement of characters and symbols on keys used on all types of these keyboards.