What uses battery power to retain information when the computer is turned off?

Answer When a computer is turned off, the ROM, or read-only memory, draws power from the system's internal battery so it can store data. This type of memory is known as non-volatile memory because it is n... Read More »

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How to Retain Information when You Study for a Test?

Studying for a test such as a vocabulary, science, social studies, etc. Here is a good way to retain that information and ace that test!

When operating a laptop on battery power, how many hours does the typical battery power a laptop?

The average lifespan of a laptop battery is three hours. However, that depends on the laptop itself. There is no one answer. Some laptops last anywhere between 5 and 8 hours, mostly the thin and... Read More »

Does it affect the battery when we use the laptop on ac power even when the battery is fully charged ?

What is the reason that makes OLED TV need only little power to operate I heard that OLED TV uses less power than the other LCD TVs when compared What makes them so power efficient?

OLED TV works on pixel emission concept and not on the backlight concept. So it takes less amount of power as compare LCD TV.