Question at position 15 What type of user interface lets the user point and click on graphic objects such as icons?Menu-basedGraphical userHigh levelCommand-line单项选择题
A
Menu-based
B
Graphical user
C
High level
D
Command-line

Question

Question at position 15 What type of user interface lets the user point and click on graphic objects such as icons?Menu-basedGraphical userHigh levelCommand-line

BlackTom AI · Accepted Answer

A graphical user interface (GUI) lets the user point and click on graphical objects such as icons, windows, buttons and menus using a pointer device (mouse, touchpad, touchscreen).

1. Relevant knowledge points and concepts
- Graphical User Interface (GUI): visual elements (icons, windows, pointers) enabling direct manipulation via pointing and clicking.
- Command-line Interface (CLI): text-based input where users type commands; no direct pointing to icons.
- Menu-based (menu-driven) interface: user selects from presented textual or graphical menus; may use pointing but the defining feature is selection from menus rather than general icon manipulation.
- “High level” typically refers to programming languages or abstraction level, not a user interface type.

2. Step-by-step reasoning
- The phrase “point and click on graphic objects such as icons” describes direct manipulation of visual elements.
- Direct manipulation with icons and a pointer is the defining characteristic of a GUI.
- Other interface types do not match that specific behavior.

3. Intermediate steps (clarifying distinctions)
- GUI: pointer + icons + windows + visual feedback → point-and-click interaction.
- CLI: requires keyboard input of commands; no icons to click.
- Menu-based: presents choices in menus (can be text or graphical); interaction may be keyboard-driven or mouse-driven, but the emphasis is menu selection, not general icon manipulation.
- High level: not an interface category for end-users to interact via pointing/clicking.

4. Why the correct answer is correct
- The correct option explicitly names the interface type whose primary interaction method is pointing and clicking on graphical objects: “Graphical user” (short for graphical user interface). This matches the description in the question exactly.

5. Why the other options are incorrect
- Menu-based: focuses on selecting menu entries rather than manipulating icons via point-and-click.
- High level: not an appropriate user interface category; relates to programming languages.
- Command-line: uses typed text commands, not pointing and clicking.

6. Conclusion
The correct answer is Graphical user, which matches the provided answer.

Question at position 15 What type of user interface lets the user point and click on graphic objects such as icons?Menu-basedGraphical userHigh levelCommand-line单项选择题

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