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S. Korea develops world's first computer that saves data without power Updated: 2022-05-11 08:16:29 KST

In most cases, the computer will lose all data when it is turned off, and will take time to reboot when the power is turned on again.
This is because most computers use "volatile memory," or memory which can only store information temporarily.

"The memory can only store information when electricity is provided. All information disappears when the power is turned off, so all actions need to be performed again once the device restarts."

South Korean researchers have developed the world's first computer that has all volatile memory removed.
Even after turning the computer off and on again, work that was there previously is still visible.

Non-volatile memory that can permanently store all information makes this possible.
Conventional non-volatile memory had only played auxiliary roles for computers as the slow operation speeds made it impractical to use.

A research team at South Korean university KAIST modified the structure of non-volatile memory so that it can simultaneously handle multiple tasks and perform quickly.
They also simplified the complex structure and deleted unnecessary paths to increase storage capacity.
The new computer has eight times the storage capacity of an ordinary computer, and is four times faster.
Researchers believe that applying this technology to mobile phones could significantly increase battery life.

"If a mobile phone can start functioning without having the operating system mark reappearing when you turn it off and on, we could potentially use the battery for up to three months."

Researchers believe that applying this technology to data centers that need a 24 hour supply of power to store big data,
could dramatically reduce maintenance costs and increase server stability.
Jeong Eun-joo, Arirang News.
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