Akhilesh Saini

School · Computer Science

Class 12 Computer Science

Explore Class 12 Computer Science chapter by chapter, with explanations, instructional diagrams, worked examples, NCERT solutions and practice.

13 chapters · NCERT textbook order

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Computer Science learning illustration for Class 12

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  1. Python input is converted and divided successfully, while a zero-divisor branch is caught and given a helpful message.
    C12-CH01

    Exception Handling in Python

    Study Exception Handling in Python in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  2. Python data is processed and displayed or written to a persistent file, then read in a later program run.
    C12-CH02

    File Handling in Python

    Study File Handling in Python in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  3. A three-element stack and corresponding Python list illustrate last-in-first-out insertion and removal from the top.
    C12-CH03

    Stack

    Study Stack in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  4. A queue receives A, B, C at its rear and serves A first at the front, demonstrating first in, first out.
    C12-CH04

    Queue

    Study Queue in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  5. An unordered six-number list is transformed into correct ascending and descending order without changing its elements.
    C12-CH05

    Sorting

    Study Sorting in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  6. A key is compared with list values and found at zero-based index three, human position four.
    C12-CH06

    Searching

    Study Searching in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  7. Four student marks are processed to produce a mean score of 75, illustrating how a numerical summary differs from the original data.
    C12-CH07

    Understanding Data

    Study Understanding Data in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  8. Repeated school details in separate files become linked guardian, student and attendance relations.
    C12-CH08

    Database Concepts

    Study Database Concepts in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  9. A SELECT query joins student and guardian tables by GUID and returns the corresponding names.
    C12-CH09

    Structured Query Language (SQL)

    Study Structured Query Language (SQL) in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  10. A school laptop reaches a web server through a local switch, router and Internet, while DNS independently resolves the website name.
    C12-CH10

    Computer Networks

    Study Computer Networks in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  11. An example sender sends an encoded message through a communication medium to a receiver, with protocols defining the rules.
    C12-CH11

    Data Communication

    Study Data Communication in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  12. A protected student computer permits an authorised user while limiting an untrusted request to school data.
    C12-CH12

    Security Aspects

    Study Security Aspects in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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  13. one real-life idea proceeds through planning, modules, testing and a usable result.
    C12-CH13

    Project Based Learning

    Study Project Based Learning in Class 12 Computer Science, with detailed explanations, worked examples, NCERT solutions and practice questions.

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