address register

noun
UK /əˈdrɛs ˈrɛdʒɪstə/
US /əˈdrɛs ˈrɛdʒɪstər/

A small storage spot inside a computer that holds the location of something in memory.

The processor loaded the address register with the location of the next instruction.


OTHER MEANINGS

2. A register in a CPU that stores the memory address of data being read or written.

The address register held the address of the word to be fetched from RAM.

3. A hardware register that holds the address of the next instruction to execute.

After each fetch, the address register was updated to point to the following instruction.

4. A book or list that records addresses, such as postal or email addresses.

The office keeps an address register of all its clients.