HCI, Databases, Data Analytics, and Networking Worksheet

Which of the following is an example of an interaction model?

• Machine learning

• Cloud computing

• Direct manipulation

• Data encryption

• Cybersecurity

What is an example of a direct manipulation interface?

• Typing commands into a terminal

• Dragging and dropping files on a desktop

• Writing a program in Python

• Running a background process

• Using a command-line script

What does usability in HCI refer to?

• How secure a system is

• The programming language used to develop a system

• The ease with which users can learn and efficiently use a system

• The complexity of software development

• The system’s ability to process large amounts of data

Which usability principle ensures that users receive clear information about system actions?

• Consistency

• Error prevention

• Feedback

• Minimalist design

• User privacy

What is an essential element of a good user experience (UX)?

• Complex navigation

• Intuitive and user-friendly design

• High processing power

• Minimal security measures

• Using only text-based interfaces

What is the main purpose of usability testing in HCI?

• To evaluate the performance of hardware components

• To eliminate all software bugs

• To assess how easily users can interact with a system

• To increase the number of features in software

• To reduce the cost of development

Which of the following is a key trend in HCI?

• Removing graphical user interfaces

• Reducing accessibility in digital products

• Increasing the use of voice and gesture-based interfaces

• Limiting user feedback collection

• Avoiding personalization in software

How can HCI impact user satisfaction?

• By making systems harder to use

• By prioritizing developer convenience over user needs

• By increasing loading times

• By creating intuitive and efficient interfaces that improve user engagement

• By removing all visual elements from the interface

What is a database system?

• A collection of unrelated data files

• An organized collection of data that can be accessed, managed, and updated

• A type of operating system

• A programming language used for web development

• A computer networking system

Which of the following is an example of a relational database?

• MongoDB

• MySQL

• Neo4j

• Cassandra

• Redis