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Lists

CBSE · Class 11 · Computer Science

Quick revision notes for Lists — CBSE Class 11 Computer Science. Key concepts, formulas, and definitions for last-minute revision.

44 questions84 flashcards5 concepts

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Key Topics to Revise

1

1. Introduction to Lists

  • Elements of a list are enclosed in square brackets and separated by commas.
  • A list is ordered, so the position of each element matters.
  • A list is mutable, so its contents can be changed after creation.
2

2. List Operations

  • The concatenation operator + joins two lists.
  • Concatenation does not change the original lists.
  • The repetition operator * repeats a list a specified number of times.
3

3. Traversing a List

  • A list can be traversed using a for loop.
  • A list can also be traversed using range() and len().
  • A while loop can also be used for traversal.
4

4. List Methods and Built-in Functions

  • list() with no argument creates an empty list.
  • list() with a sequence argument creates a list from that sequence.
  • append() adds a single element at the end of the list.

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Full Notes

Key Concepts

A list is an ordered sequenceList indices start from 0The contents of a list canThe + operator joins two listsThe * operator repeats a list

Frequently Asked Questions

What are the important topics in Lists for CBSE Class 11 Computer Science?
Lists covers several key topics that are frequently asked in CBSE 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 Lists — CBSE Class 11 Computer Science?
Understand the core concepts first, then work through the 44 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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All 11 chapters — CBSE Class 11 Computer Science Revision Notes

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