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Revision Notes

Strings

Bihar Board · Class 11 · Computer Science

Quick revision notes for Strings — Bihar Board Class 11 Computer Science. Key concepts, formulas, and definitions for last-minute revision.

45 questions25 flashcards5 concepts

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Key Topics to Revise

1

String Basics and Creation

  • String is a sequence of UNICODE characters including letters, digits, whitespace, and symbols
  • Strings can be created using single quotes (''), double quotes (""), or triple quotes (''' ''' or """ """)
  • Triple quotes allow multi-line strings
2

String Indexing and Accessing Characters

  • Each character in string has a unique index position
  • Positive indexing starts from 0 (left to right): 0, 1, 2, ..., n-1
  • Negative indexing starts from -1 (right to left): -1, -2, -3, ..., -n
3

String Operations

  • Concatenation (+): Joins two strings together
  • Repetition (*): Repeats string specified number of times
  • Membership (in/not in): Checks if substring exists in string
4

String Slicing

  • Slicing extracts substring using [start:end:step] notation
  • start: inclusive starting index, end: exclusive ending index
  • step: increment value (default 1), can be negative for reverse

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Full Notes

Key Concepts

A string is a sequenceEach character in a string hasPython supports four main string operationsSlicing allows extraction of substrings usingPython provides numerous built

Frequently Asked Questions

What are the important topics in Strings for Bihar Board Class 11 Computer Science?
Strings covers several key topics that are frequently asked in Bihar Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Strings — Bihar Board Class 11 Computer Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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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