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.
Unit 1
7 lessonsIntroduction to Programming
- 01How a computer remembers numbersComputer numbers ni ela gurthupettukuntundi?18 min →
- 02Plan the solution before writing CC rayadam mundu solution plan cheddam22 min →
- 03From source code to a running C programSource code nundi running C program varaku24 min →
- 04Values, types, and expressionsValues, types, expressions26 min →
- 05Make decisions without making a mazeMaze create cheyyakunda decisions rayadam24 min →
- 06Loops you can prove will stopStop avutayi ani prove cheyyagalige loops26 min →
- 07Talk to the program—and to individual bitsProgram tho matladadam, individual bits ni control cheyyadam28 min →
Unit 2
6 lessonsArrays, Strings, Structures and Pointers
- 01One name, many values: arraysOne name, many values: arrays24 min →
- 02Rows, columns, and nested loopsRows, columns, nested loops25 min →
- 03Strings are arrays with a finish lineStrings ante finish line unna arrays28 min →
- 04Model one thing with several fieldsOne thing ni several fields tho model cheyyadam27 min →
- 05Pointers: addresses with a typePointers: type unna addresses30 min →
- 06Follow records through pointersPointers dwara records ni follow avvadam25 min →
Unit 3
4 lessonsPreprocessor and File Handling in C
- 01Code before the compiler: the preprocessorCompiler mundu code: preprocessor24 min →
- 02Persist readable data with text filesText files tho readable data persist cheyyadam28 min →
- 03Binary files and fixed-size recordsBinary files and fixed-size records27 min →
- 04Move around a file deliberatelyFile lo deliberate ga move avvadam24 min →
Unit 4
5 lessonsFunctions and Dynamic Memory Allocation
- 01Give one job a clear functionOne job ki clear function ivvadam25 min →
- 02What a C function actually receivesC function actually em receive chestundi?28 min →
- 03Use the standard library as a toolboxStandard library ni toolbox laga use cheyyi22 min →
- 04Recursion needs a smaller problemRecursion ki smaller problem kavali28 min →
- 05Ask for memory, own the cleanupMemory adigithe cleanup responsibility manade32 min →
Unit 5
5 lessonsIntroduction to Algorithms
- 01Turn mathematics into guarded stepsMathematics ni guarded steps ga marchadam30 min →
- 02Linear search: inspect until foundLinear search: dorike varaku inspect cheyyi20 min →
- 03Binary search: discard half with proofBinary search: proof tho half discard cheyyi28 min →
- 04Three ways to build sorted orderSorted order build cheyyadaniki three ways34 min →
- 05Complexity: how work growsComplexity: work ela grow avutundi27 min →
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.
