Which of the following is not a type of user interface

A) Graphical User Interface (GUI)

B) Command-Line Interface (CLI)

C) Natural Language Interface (NLI)

D) Computer Processing Interface (CPI)

Answer:

D) Computer Processing Interface (CPI)

Explanation:

Graphical User Interface (GUI), Command-Line Interface (CLI), and Natural Language Interface (NLI) are common types of user interfaces. “Computer Processing Interface (CPI)” is not a recognized type of user interface.