HardwareCâu 16 / 100
What is the function of a laptop's inverter or backlight circuitry historically associated with the display?
a.To store user documents
b.To connect to Wi-Fi networks
c.To cool the processor
d.To power the illumination of the screen
Giải thích
Older laptop displays used an inverter to power the backlight that illuminates the LCD panel. A failing backlight can make the screen very dim even though an image is still faintly visible. Modern LED-backlit displays have largely eliminated the separate inverter.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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