#Process

32-Bit vs 64-Bit OS

• A 32-bit OS has 32-bit registers, and it can access 2^32 unique memory addresses.
  • i.e., 4GB of physical memory.
• A 64-bit OS has 64-bit registers, and it can access 2^64 unique memory addresses.
  • i.e., 17,179,869,184 GB of physical memory.
• 32-bit CPU architecture can process 32 bits of data & information.
• 64-bit CPU architecture can process 64 bits of data & information.