Which of the following two can be considered valid justifications for treating memory operations as equivalent to I$/$O operations with external devices. Select both that are applicable.

$1$ point

Memory can be removed and replaced, just like external devices.

Memory addressing and data movement type instructions can be used to perform I$/$O operations.

Both memory and I$/$O operations are controlled by the processor over the system or processor bus.

Memory and I$/$O modules are accessed by the processor, making them important for the computer system.