High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and internet downloads. COUNT 4
QSN1 Roku and AppleTV are examples of what? ANS1 IPTV QSN2 Internet downloads, Blu-ray videos, and Apple TV are examples of what? ANS2 High-definition image sources QSN3 Terrestrial broadcast and direct broadcast satellite are examples of what? ANS3 High-definition image sources QSN4 Digital cable and Roku are examples of what? ANS4 High-definition image sources