• Which address CPU request logical or physical address ?
  • Always request for logical address or virtual address.
• CPU always execute process in virtual address space

• Main is in text section also gets virtual address
• limit - Size of process
• base - Start address
• Here CPU is demanding 2400 address but it is not present then conversion will be done.
• < first address is checked is it valid or not if yes then plus +
• + If valid then added with base address to generate real address.
  • 2400 + 8000 = 10400
• Data Bus are used Bidirectional.
• Address Bus are unidirectional only CPU use to request (Address Bus).