TAIPEI, Feb 4 : A surge in demand for artificial intelligence applications is straining supply chains and driving up costs, Taiwan's top chip design company MediaTek said on Wednesday, adding it would adjust its own prices in response. Taiwanese tech companies like MediaTek and TSMC, the world's largest contract chipmaker, have reported surging business thanks to the AI boom. MediaTek Chief Executive Rick Tsai told a quarterly earnings conference call that he was very confident in the company's