No, a memory stick holds its memory using flash technology, which is a form of EEPROM - Electrically Eraseable Programmable Read Only Memory.
Think of it as an array of ultra high performance...
The original Sony Memory Stick has a maximum capacity of 128MB. Memory Stick PRO - 4GB actual, 32GB theoretical, PRO DUO - 32GB actual, higher theoretical, Memory Stick Micro - 16GB actual, 32GB...