2nd Year Computer Full Book Paper

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

1. What are breakpoints and watches used for in software development?

   1. To compile source code into machine code

   2. To analyze program behavior and examine data at specific points

   3. To format Python source code automatically

   4. To speed up the execution of loops

2. Where does sqlite3 store its database data on the system?

   1. In local RAM cache

   2. In a single file on the system

   3. On a remote server automatically

   4. In the Python installation folder

3. What is the basic formula used to calculate the Chi-Square (x²) test statistic?

   1. 

   2. 

   3. 

   4. 

4. How does antivirus software protect a system?

   1. By overloading external servers

   2. By creating fake websites to trick hackers

   3. By scanning files and removing viruses or malware

   4. By requiring physical fingerprint scans

5. OOP allows code to be divided into modules, which promotes:

   1. Modularity

   2. Redundancy

   3. Fragmentation

   4. Linear execution

6. The statement 2 + 3 = 5 evaluates to:

   1. True

   2. False

   3. Undefined

   4. Unknown

7. How can AI bridge gaps in the healthcare sector?

   1. Store physical files

   2. Analyze medical data faster

   3. Route internet cables

   4. Generate financial taxes

8. What is a key benefit of wireless network connections in a home environment?

   1. They are always faster than wired connections

   2. They completely eliminate the need for a modem

   3. Devices can move freely within the network range

   4. They do not require configuration or passwords

9. On what are predictions in predictive modeling based?

   1. Guaranteed certainty

   2. Probability

   3. Fixed rules without variation

   4. Raw feature counts

10. What are breakpoints defined as in IDEs like PyCharm or VS Code?

    1. Keywords that stop program compilation

    2. Variables that store error logs

    3. Markers that pause program execution at a chosen line of code

    4. Functions that return calculated values

11. When does a function linked to an event run?

    1. Continuously while the application is open

    2. Before the GUI window loads

    3. Only when the event happens

    4. When the program is compiled

12. If a new medical drug test yields a p-value of 0.01 against a significance level of 0.05, it implies that:

    1. The drug is completely ineffective

    2. The improvement is unlikely to be due to chance alone

    3. The null hypothesis must be retained

    4. The test statistic was calculated incorrectly

13. Why is documenting a security problem and its solution important?

    1. It automatically encrypts all saved files

    2. It unlocks ransomware-encrypted data without payment

    3. It helps prevent the problem from happening again

    4. It turns public networks into private connections

14. An object is defined as a(n):

    1. Abstract definition with no memory allocation

    2. Instance of a class that holds actual values for its attributes

    3. Standalone function without data

    4. External library module

15. Words used to connect propositions are called:

    1. Logical connectives

    2. Basic units

    3. Capital letters

    4. Commands