Calm Computer Concepts Quiz
A friendly, medium-difficulty multiple-choice quiz on key computer concepts. Pause between question and reveal to let viewers think.
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Quiz Questions & Answers
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Question 1: What best describes the role of an operating system?
Hosts only web applications for cloud deployment
Encrypts data automatically for all programs
Compiles source code into executable binaries
Manages hardware and provides services for applications
Question 2: Which approach most improves fault isolation in a system architecture?
Running all services in a single monolithic process
Using loosely coupled, independent services
Disabling health checks to reduce noise
Increasing user access privileges by default
Question 3: When designing for security, which mindset reduces risk most effectively?
Trust all internal network traffic by default
Rely only on perimeter firewalls
Store all keys in code for simplicity
Assume breach and limit privileges
Question 4: What is the primary benefit of using version control systems?
Track and manage changes to code collaboratively
Automatically optimize runtime performance
Encrypt all source files by default
Serve as the primary runtime environment
Question 5: In a database design, why prefer normalization early on?
To increase the number of tables arbitrarily
So foreign keys are never needed
Because it always improves read performance
To reduce redundancy and prevent update anomalies
Question 6: Which statement best reflects a healthy testing strategy?
Rely exclusively on production monitoring for bugs
Only perform manual testing right before release
Combine automated unit tests with targeted integration tests
Write tests after each release without automation
Question 7: What is a practical consequence of poor capacity planning?
Improved system security by default
Guaranteed cost savings with no tradeoffs
Immediate elimination of all software bugs
Unexpected outages or degraded performance under load
Question 8: Why is documenting assumptions important when designing features?
It ensures the feature never changes
It clarifies risks and guides validation efforts
It eliminates the need for team communication
It replaces the need for user research