Question

O'S and I'S are called used to present data in mamory​

Answer 1

Answer:

Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) are two complementary methods of performing input/output (I/O) between the central processing unit (CPU) and peripheral devices in a computer. An alternative approach is using dedicated I/O processors, commonly known as channels on mainframe computers, which execute their own instructions.

Explanation:

...

Answer 2

Explanation:

$memory \: mapped \: and \: port \: mapped \: are \: two \: contemptory \: methods$