Samsung Electronics Co., Ltd.

Young-bong Kim

Byung-gook Kim

Seung-hwan Ha

Sang-hoon Yoo

Jung-Hwan Kim

Chan-ho Park

Heung-sup Park

Hyung-gyu Lee

Seong-Jun Ahn

Sung-jun Park

Taek-yong Jung

Hyouk-soo Han

Sun-hyung Lee

Sine Kim

Young-il Seo

Yung-mi Kim

Yoon-seok Kim

Gwang-hyun Jo

Disclosed is a method of operating a memory system which executes a plurality of commands including a write command and a trim command. The memory system includes a memory device, which includes a plurality of blocks. The method further includes performing garbage collection for generating a free block, calculating a workload level in performing the garbage collection, and changing a command schedule based on the workload level.

Memory scheduling method for changing command order and method of operating memory system

An image forming apparatus includes a developing module which develops a toner image on a printing medium, a fixing module which fixes the toner image onto the printing medium, and a toner neutralization module arranged on a travel path of the printing medium between the developing module and the fixing module to electrically neutralize the toner image on the printing medium.

Image forming apparatus

A method of prefetching data in a hard disk drive includes searching for a logic block address (LBA) of data requested by an external apparatus in a history of a non-volatile cache of the hard disk drive, and if the LBA of the data is stored in the history, storing data recorded in a LBA stored after the LBA of the data requested by the external apparatus from among LBAs stored in the history in a buffer of the hard disk drive.

Method of prefetching data in hard disk drive, recording medium including program to execute the method, and apparatus to perform the method

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Seoul, South Korea

Young-bong Kim