Usable Security - Human Computer Interaction Basic

1. Human-Computer Interaction is the study of: How people interact with technology

2. Imagine you are analyzing the usability of a banking website. The Examples of good task can be

• Check your savings account balance.
• Transfer $5 from checking to savings.

3. The measures of Usability are as follows:

• Speed
• Efficiency
• User Preference
• Memorability
• Learnability

4. Chunking: Aggregating several pieces of information into coherent groups to make them easier to remember.

5. The following are examples of conventions that improve mental models

• Using a qwerty keyboard on a new device
• Color coding warnings in red and alerts in yellow  
• Putting options to create a new file and save a file under a "File" menu in the upper left of the application.

6. The people included in an HCI study might include:

• Users who have Technology Embedded in Wearable Items
• Mobile Device Users
• Desktop or Laptop Computer Users

7. Three important things that have to be understood in HCI are:

• Users
• Tasks
• Contexts

8. How should users be considered within a security system?

• They are an integral part of security and should be considered part of the system from the beginning.

9. Factors to consider in designing usable interfaces:

• The users' expertise and experience with computers