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Describe the principles established the foundation for graphical interfaces.
Principles established the foundation for graphical interfaces :
- Illusion of Manipulable Objects:
- Objects you can click or interact with should be clear and make sense.
- Icons and handles (like window borders) help users understand what they can manipulate.
- Visual Order and Viewer Focus:
- Important things on the screen should grab attention when needed.
- Contrast, animation, and even sound can be used to draw attention.
- Feedback, like changing the cursor shape, helps users know what’s happening.
- Revealed Structure:
- Users should see immediate results when they perform actions.
- Minimize the gap between what users want to do and the actual result.
- Make the relationship between actions and outcomes clear.
- Consistency:
- Keep things consistent for easier learning.
- Elements, grammar, fonts, and styles should remain the same across the interface.
- Appropriate Effect or Emotional Impact:
- Match the interface’s look and feel to the product and its audience.
- Is it a serious business system or a fun computer game? The interface should reflect that.
- Match with the Medium:
- Consider the device’s capabilities.
- The interface should work well with the screen resolution and color capabilities of the device.