national it investment the computerization agency has estimated size of korea and analyzed situation in progress to check problems past investments find a more effective future direction categories estimation do not include activities related application but information infra which are base for saving searching manipulating transferring filtering estimate level industry input output table been classified into 7 groups first divided service manufacturing is further four subgroups broadcasting telecommunications computer telecommunication facility construction also three equipment such as computers peripherals fixed line mobile parts an according classification by following difference from other existing supply oriented firstly since defined concept does outputs using publication record
