2nd Year Computer First half Book Paper

Q1. Multiple choice questions (Attempt all · 15 × 1 = 15)

1. Python’s built-in framework for testing code automatically is:
   1. Pytest
   2. unittest
   3. debugpy
   4. testlib
2. The factorial function example demonstrates:
   1. Sorting
   2. Searching
   3. Clear vs less clear code
   4. Looping
3. Error prevention and recovery mechanisms:
   1. Minimize mistakes and guide correction
   2. Increase memory usage
   3. Focus only on encryption
   4. Allow system shutdown
4. Confidence interval shows:
   1. Randomness of results
   2. Range where true value likely lies
   3. Range of hypothesis
   4. Type of data
5. Main purpose of the programming paradigm is _______.
   1. Increase code length
   2. Complexity reduction
   3. Eliminate bugs
   4. Improve hardware performance
6. Which of the following best describes a data structure?
   1. A method of arranging data
   2. A way to store and organize data in memory
   3. A physical interface design
   4. A location and easy interaction detection
7. Confidentiality protects data from:
   1. Hackers and unauthorized access
   2. Viruses only
   3. Server overload
   4. Storage failures
8. How does storytelling enhance the communication of data insights?
   1. By focusing solely on statistical analysis
   2. By using visuals and narrative to make data relatable and engaging
   3. By ignoring complex data patterns
   4. . By minimizing the use of charts and graphs
9. Functional programming supports:
   1. Sequential processing
   2. Parallel and concurrent programming
   3. Random execution
   4. None
10. Arrays are efficient because:
    1. They are slow in accessing elements
    2. They need extra data
    3. Memory locations are contiguous
    4. None of these
11. Which principle prevents unnecessary complexity in design?
    1. Error handling
    2. Robustness
    3. Simplification
    4. Memorability
12. Type II Error occurs when:
    1. False null hypothesis is rejected
    2. False null hypothesis is not rejected
    3. Random data used
    4. P-value too small
13. The try-except block is used for:
    1. File creation
    2. Error handling
    3. Data sorting
    4. Data merging
14. Each node of a linked list contains:
    1. Data and index
    2. Only data
    3. Only pointer
    4. Data and pointer
15. 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