Discuss how a solid state drive works.

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A solid state drive (SSD), also called a solid state device (SSD), is called solid state because it has no moving parts. In an SSD drive, flash memory is stored on EEPROM (Electronically Erasable Programmable Read Only Memory) chips inside the drive housing. The chips contain grids of rows and columns with two transistors at each intersection that hold a zero or one bit. One of these transistors is called a floating gate and accepts the zero or one state according to a logic test called NAND (stands for "Not AND"). Therefore, the memory in an SSD is called NAND flash memory.

Computer Science & Information Technology

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