Hardware第 16 / 100 题
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
解析
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.
免费刷完整 100 道题库 — 无需注册。
同考点相关题目
- What is the main advantage of using DDR4 or DDR5 RAM over older DDR3?
- Which expansion slot standard is most commonly used today for graphics cards and high-speed add-in cards?
- What does the acronym 'NIC' stand for in computer hardware?
- When installing internal components, why should a technician use an antistatic wrist strap?
- Which type of connector and cable is standard for wired Ethernet networking on most computers?
- What is 'cache' memory on a CPU used for?