JNTUH · R18 · CS203ES

Learn C in English.Tension vachinappudu తెలుగు + English.

A syllabus-aligned path with mental models, C examples, practice, and a quick check in every lesson.

27 lessons5 units12 guided hours3–1–0–4 L–T–P–C

Complete course map

5 units. No mystery gaps.

Every lesson below — explanations, practice, and checks — is open to read right now, no account needed. Every unit is mapped to the R18 CS203ES syllabus.

01
Unit 1

Introduction to Programming

7 lessons
  1. 01How a computer remembers numbersComputer numbers ni ela gurthupettukuntundi?18 min
  2. 02Plan the solution before writing CC rayadam mundu solution plan cheddam22 min
  3. 03From source code to a running C programSource code nundi running C program varaku24 min
  4. 04Values, types, and expressionsValues, types, expressions26 min
  5. 05Make decisions without making a mazeMaze create cheyyakunda decisions rayadam24 min
  6. 06Loops you can prove will stopStop avutayi ani prove cheyyagalige loops26 min
  7. 07Talk to the program—and to individual bitsProgram tho matladadam, individual bits ni control cheyyadam28 min
02
Unit 2

Arrays, Strings, Structures and Pointers

6 lessons
  1. 01One name, many values: arraysOne name, many values: arrays24 min
  2. 02Rows, columns, and nested loopsRows, columns, nested loops25 min
  3. 03Strings are arrays with a finish lineStrings ante finish line unna arrays28 min
  4. 04Model one thing with several fieldsOne thing ni several fields tho model cheyyadam27 min
  5. 05Pointers: addresses with a typePointers: type unna addresses30 min
  6. 06Follow records through pointersPointers dwara records ni follow avvadam25 min
03
Unit 3

Preprocessor and File Handling in C

4 lessons
  1. 01Code before the compiler: the preprocessorCompiler mundu code: preprocessor24 min
  2. 02Persist readable data with text filesText files tho readable data persist cheyyadam28 min
  3. 03Binary files and fixed-size recordsBinary files and fixed-size records27 min
  4. 04Move around a file deliberatelyFile lo deliberate ga move avvadam24 min
04
Unit 4

Functions and Dynamic Memory Allocation

5 lessons
  1. 01Give one job a clear functionOne job ki clear function ivvadam25 min
  2. 02What a C function actually receivesC function actually em receive chestundi?28 min
  3. 03Use the standard library as a toolboxStandard library ni toolbox laga use cheyyi22 min
  4. 04Recursion needs a smaller problemRecursion ki smaller problem kavali28 min
  5. 05Ask for memory, own the cleanupMemory adigithe cleanup responsibility manade32 min
05
Unit 5

Introduction to Algorithms

5 lessons
  1. 01Turn mathematics into guarded stepsMathematics ni guarded steps ga marchadam30 min
  2. 02Linear search: inspect until foundLinear search: dorike varaku inspect cheyyi20 min
  3. 03Binary search: discard half with proofBinary search: proof tho half discard cheyyi28 min
  4. 04Three ways to build sorted orderSorted order build cheyyadaniki three ways34 min
  5. 05Complexity: how work growsComplexity: work ela grow avutundi27 min
Draft content, clearly labeled.

These explanations and exercises are independent Chaduvu Bidda material, not JNTUH-authored content. Every lesson remains marked for factual, code, and language review before pilot publication.