ISO IEC 18021:2002 pdf download – Information technology — User interfaces for mobile tools for management of database communications in a client-server model. The MBT client shall ensure an exclusive choice between granting and refusing approval for an MBT database operation, by providing radio buttons, select buttons, or the like. The buttons for granting and refusing approval for the MBT database operation should always be displayed on the screen in a consistent area without being removed by scrolling or any other navigation by the user. Those buttons should be laid out side by side. 5.2.3 Parameter setting The MBT client...