TAIPEI, April 30 : The CEO of MediaTek, Taiwan's top chip design company, on Thursday said he has no doubts about the strength of the artificial intelligence wave, adding that demand for data centres is accelerating. Taiwanese tech companies like MediaTek and TSMC, the world's largest contract chipmaker, have reported surging business thanks to the AI boom, despite recent worries among market participants that tech firms' breakneck spending would not yield sufficient returns. On an earnings