2nd Year Computer Chapter 1 Test1. Computer System

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Error prevention and recovery mechanisms:
   1. Minimize mistakes and guide correction
   2. Increase memory usage
   3. Focus only on encryption
   4. Allow system shutdown
2. Confidentiality protects data from:
   1. Hackers and unauthorized access
   2. Viruses only
   3. Server overload
   4. Storage failures
3. Which principle prevents unnecessary complexity in design?
   1. Error handling
   2. Robustness
   3. Simplification
   4. Memorability
4. What is the disadvantage of encryption?
   1. Increases cost
   2. Makes data easy to copy
   3. Slows down usability and can be time-consuming
   4. Removes user authentication
5. Save prompt in MS Word is an example of:
   1. Simplicity
   2. Error prevention
   3. Consistency
   4. Accessibility
6. A system designed with high usability is:
   1. Complicated
   2. Simple and easy to use
   3. Confusing
   4. Technical only
7. What does "Effectiveness" in usability mean?
   1. Comfort of users
   2. Degree of task completion
   3. Speed of system
   4. Security of system
8. A/B testing is also called:
   1. Error testing
   2. Consistency testing
   3. Load testing
   4. Split testing
9. Which issue is caused by encryption?
   1. Processing speed
   2. Data access
   3. Key management
   4. Interface
10. The environment in HCI refers to:
    1. Only the physical room
    2. Security settings
    3. Physical and social context of interaction
    4. Network configuration