CBSE 2025, Set 4, Q20

Question

Assertion (A): For a binary file opened using 'rb' mode, the `pickle.dump()` method will display an error.

Reason (R): The `pickle.dump()` method is used to read from a binary file.

Choose the correct option. A). Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). B). Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). C). Assertion (A) is true but Reason (R) is false. D). Assertion (A) is false but Reason (R) is true.

Edvaya · Accepted Answer

The correct answer is Assertion (A) is true but Reason (R) is false.. Explanation: - `pickle.dump()` is used to **write objects into a binary file** - `pickle.load()` is used to **read objects from a binary file** If a file is opened using `'rb'` (read binary) mode and `pickle.dump()` is used, Python will raise an error. Thus: - Assertion (A) is **True** - Reason (R) is **False**.

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Computer Science > Computational Thinking And Programming 2 > Data File Handling

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