What are the two main components of user interface?
A) Input and output
B) Hardware and software
C) Keyboard and mouse
D) RAM and CPU
Answer:
A) Input and output
Explanation:
The two main components of a user interface (UI) are input and output. Input refers to the means by which users interact with a system, such as through a keyboard, mouse, or touchscreen. Output refers to the information or feedback that the system provides to the users, typically displayed on a screen or conveyed through audio or visual feedback.