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Syllabus

File Handling in Python — Syllabus

Nagaland Board · Class 12 · Computer Science

What File Handling in Python covers in Nagaland Board Class 12 Computer Science: 4 topics, for the 2026-27 session.

44 questions96 flashcards5 formulas & key relations5 concepts

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Illustrates why file handling is necessary, showing the difference between temporary data in RAM (variables) and permanent data storage on secondary devices (files).
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4 Topics · Nagaland Board Class 12 Computer Science · 2026-27

Topics in File Handling in Python

1

1. Basics of Files and Types of Files

  • Files are used to store data permanently instead of only keeping it in memory during program execution.
  • There are mainly two types of data files: text file and binary file.
  • Text files contain only the ASCII equivalent of the contents and are human readable.
2

2. Opening and Closing Files

  • open() creates a new empty file if the file does not exist.
  • The default access mode for open() is read mode.
  • By default, files are opened in text mode; binary mode requires b.
3

3. File Access Modes

  • r means read only and the file object starts at the beginning of the file.
  • rb means binary read only and the file object starts at the beginning of the file.
  • r+ or +r means read and write and the file object starts at the beginning of the file.
4

4. Writing to Text Files

  • To write to a file, it must be opened in write or append mode.
  • write() is for writing a single string.
  • writelines() is for writing a sequence of strings.

Key Concepts

Central concept: Managing permanent data in Python using text files, binary files, and the pickle module

FilesTypes of filesOpening filesFile objectClosing filesWriting to text filesReading from text filesFile offsets

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Frequently Asked Questions

What are the important topics in File Handling in Python for Nagaland Board Class 12 Computer Science?
Key topics in File Handling in Python include Basics of Files and Types of Files, Opening and Closing Files, File Access Modes, Writing to Text Files. Study these first, then practise questions on each for the Nagaland Board Class 12 board exam.
How should I revise File Handling in Python for the Nagaland Board Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on File Handling in Python. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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