Resource information and status information concerning devices connected to a network is acquired and the information is stored in memory. Icons that are capable of identifying the types of devices connected to the network based upon the stored resource information and status of utilization of the devices that is based upon the stored status information are displayed in combination on a display unit. In order to select (S504, S505, S506) either one or both of the resource information and status information and update this information, a device for which information is to be updated is specified from among the displayed icons. Both the resource information and status information, or whichever information has been selected, of the device that has been specified is acquired and the information in memory is updated (S507) based upon this information. Either or both of resource information and status information concerning a device designated on a network by a user can be acquired and the information can be updated.