ɪn kəmpjˈuːɾɪŋ, ɐ fˈɪzɪkəl ɐdɹˈɛs ˈɔːlsoʊ ɹˈiːəl ɐdɹˈɛs, ɔːɹ bˈaɪnɚɹi ɐdɹˈɛs, ɪz ɐ mˈɛmɚɹi ɐdɹˈɛs ðæt ɪz ɹˌɛpɹᵻzˈɛntᵻd ɪnðə fˈɔːɹm əvə bˈaɪnɚɹi nˈʌmbɚɹ ɔnðɪ ɐdɹˈɛs bˈʌs sˈɜːkɪtɹi ɪn ˈɔːɹdɚ tʊ ɛnˈeɪbəl ðə dˈeɪɾə bˈʌs tʊ ˈæksɛs ɐ pɚtˈɪkjʊlɚ stˈoːɹɪdʒ sˈɛl ʌv mˈeɪn mˈɛmɚɹi, ɔːɹ ɐ ɹˈɛdʒɪstɚɹ ʌv mˈɛmɚɹimˈæpt aɪ slˈæʃ ˈoʊ dɪvˈaɪs.
In computing, a physical address (also real address, or binary address), is a memory address that is represented in the form of a binary number on the address bus circuitry in order to enable the data bus to access a particular storage cell of main memory, or a register of memory-mapped I/O device.