The Serial ATA (SATA) cables can extend up to （）.

单项选择题What does DVI stand for?（）

A. Dual Visual Interface
B. Display Vertical Interface
C. Digital Visual Interface
D. Digital Vision Interchange

单项选择题（）is a technique used for illumination behind the liquid crystal display that makes LCDs easier to read.

A. Frontlight
B. Backup Power
C. Cathode ray tube
D. Backlight