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Bihar Engineering University

CSE Cyber Security Notes & Solved PYQs

Free download and quick access to semester-wise study materials, lecture notes, handwritten PDFs, and solved previous year questions (PYQs) for all semesters.

6 Semesters
82 Lecture Notes
31 Solved PYQs
3rd Semester4th semester5th semester6th semester7th semester8th semester

3rd Semester

7 Subjects

C++

5 Notes0 PYQs
Notes5
  • Cpp MODULE 4 Overloading, Templates and InheritancePDF
  • Cpp MODULE 2 Control Structures and FunctionsPDF
  • Cpp MODULE 1 Introduction to CppPDF
  • Cpp MODULE 3 Classes and Data AbstractionPDF
  • Cpp Module 5 Pointers, Arrays and Exception HandlingPDF
Solved PYQs0

No PYQs uploaded yet.

Digital Electronics

7 Notes11 PYQs
Notes7
  • Unit 1 Digital logic families Digital electronicsPDF
  • DE Error detection and corrections Complete NotesPDF
  • DE UNIT1 Notes part 1PDF
  • UNIT-6 Programmable logic devices Digital electronicsPDF
  • Digital Electronics AD DA Convertor Full Notes
  • Semiconductor Memory Completes Notes
  • Unit 3 Sequential circuits Flip Flop Digital electronicsPDF
Solved PYQs11
  • btech-ece-4-sem-digital-electronics-2018PYQ
  • 4th Sem Pyq CSEPYQ
  • DE 2025 PYQ NotesNavPYQ
  • Btech digital electronics Nov 2025PYQ
  • btech-ee-ece-4-sem-digital-electronics-feb-2025PYQ
  • btech-ece-4-sem-digital-electronics-2019PYQ
  • btech-4-sem-digital-electronics-2023PYQ
  • btech-4-sem-digital-electronics-2022PYQ
  • btech-3-sem-digital-electronics-2020PYQ
  • DE aiml 3rd sem all pyq sonu_cs12PYQ
  • btech-3-sem-digital-electronics-2021PYQ

Discrete Mathematics and Graph Theory

5 Notes2 PYQs
Notes5
  • Unit 3 Propositional Logic Discrete mathematics
  • Unit 5 part 1 Algebraic Structures and Morphism Discrete mathematics
  • Unit 1 Sets, Relation and Function Discrete mathematics PDF
  • Unit 5 part 2 Algebraic Structures and Morphism Discrete mathematics
  • Unit 2 Principles of Mathematical Induction Discrete mathematics PDF
Solved PYQs2
  • DM PYQs CSE 3rd Semester NotesNavPYQ
  • DM 2025 PYQ NotesNavPYQ

DSA

6 Notes2 PYQs
Notes6
  • Unit 6 Graph 3rd semester DSAPDF
  • Unit 5 Tree 3rd semester DSAPDF
  • Unit 4 Hashing 3rd semester DSAPDF
  • Unit 3 Stack and Queue 3rd semester DSAPDF
  • Unit 4 searching sorting and hashing 3rd semester DSAPDF
  • Unit 1 Introduction 3rd Semester DSAPDF
Solved PYQs2
  • DSA PYQs NotesNavPYQ
  • DSA 2025 PYQ NotesNavPYQ

Oops using Java

4 Notes2 PYQs
Notes4
  • Unit 1 Oops concepts and java programmingPDF
  • Unit 4 exception handlingPDF
  • Unit 2 Object Classes and constructorsPDF
  • Unit 3 Inheritance Interfaces and PackagesPDF
Solved PYQs2
  • Oops 2025 PYQ NotesnavPYQ
  • JAVA PYQ Old syllabusPYQ

Operating System

9 Notes2 PYQs
Notes9
  • Unit 3 interprocess communicationPDF
  • Unit 5 virtual memoryPDF
  • Unit 6 Disk managementPDF
  • Unit 6 input output hardware PDF
  • Unit 6 File managementPDF
  • Unit 4 DeadlockPDF
  • Unit 5 Memory managementPDF
  • CSE 3RD SEMESTER OS UNIT-2 PROCESS THREAD PROCESS SCHEDULINGPDF
  • CSE 3RD SEMESTER OS UNIT-1 INTRODUCTIONPDF
Solved PYQs2
  • Os 2025 PYQ NotesNavPYQ
  • OS PYQs 3rd semPYQ

UHV

6 Notes1 PYQ
Notes6
  • UHV Unit3 Harmony in the Family and SocietyPDF
  • UHV unit5 Implications of the Holistic Understanding – a Look at ProfessionalPDF
  • UHV Unit2 Harmony in the Human BeingPDF
  • UHV Unit6 Implications of the Holistic UnderstandingPDF
  • UHV Unit4 Harmony in the Nature/ExistencePDF
  • UHV Unit1 Introduction to Value EducationPDF
Solved PYQs1
  • UHV 2025 PYQ NotesNav PYQ

4th semester

6 Subjects

COA

8 Notes2 PYQs
Notes8
  • COA UNIT2 Data Representation NotesNav
  • COA UNIT5 Pipeline NotesNav
  • COA Unit3 x86 Control Unit and Memory SystemPDF
  • COA UNIT6 Memory Organization (2) NotesNavPDF
  • COA UNIT3 X86 Architecture handwritten NotesNavPDF
  • COA UNIT4 Peripheral Devices and their characteristicsPDF
  • COA UNIT1 Functional Block of Computer
  • COA UNIT6 Memory Organization NotesNavPDF
Solved PYQs2
  • COA Unitwise MCQ PYQ Bank notesnavPYQ
  • COA PYQPYQ

Computer Network

6 Notes3 PYQs
Notes6
  • CN UNIT2 Physical Layer NotesNav
  • CN Unit3 Data link Layer NotesNav
  • CN Unit5 Transport Layer NotesNav
  • CN Unit6 Application Layer NotesNavPDF
  • CN Unit4 Network LayerPDF
  • CN Unit1 Overview of Data Communication and Networking NotesNavPDF
Solved PYQs3
  • CN PYQPYQ
  • CN 2026 PYQ 🥰PYQ
  • CN Unitwise MCQ PYQ Bank NotesNavPYQ

DAA

6 Notes2 PYQs
Notes6
  • DAA UNIT6 NotesNav
  • DAA UNIT3 NotesnavPDF
  • DAA UNIT2 NotesNav
  • DAA UNIT4 NotesNavPDF
  • DAA UNIT5 NotesnavPDF
  • DAA UNIT1 NotesNavPDF
Solved PYQs2
  • DAA PYQ NOTESNAVPYQ
  • DAA Unitwise MCQ Bank NotesNavPYQ

DBMS

8 Notes2 PYQs
Notes8
  • DBMS UNIT2 Relational Query Language part1
  • DBMS Unit5 Database SecurityPDF
  • DBMS Unit3 Storage StrategiesPDF
  • DBMS UNIT3 B & B+ Tree Handwritten PDF
  • DBMS Unit3 IndicesPDF
  • DBMS UNIT3 Indicies HandwrittenPDF
  • DBMS Unit4 Transaction ProcessingPDF
  • DBMS UNIT6 Advanced topics NotesNav
Solved PYQs2
  • DBMS MCQ_PYQ NotesNavPYQ
  • DBMS PYQPYQ

Effective Techanical Communication

6 Notes0 PYQs
Notes6
  • Unit1 Information Design and Development ETCPDF
  • Unit4 Communication ETCPDF
  • Unit2 Technical Writing, Grammar and Editing ETCPDF
  • Unit5 Technical Writing ETCPDF
  • Unit6 Ethics ETCPDF
  • Unit3 Self-development and Assessment ETCPDF
Solved PYQs0

No PYQs uploaded yet.

FLAT

6 Notes2 PYQs
Notes6
  • FLAT UNIT4 Context Sensetive Language NotesNavPDF
  • FLAT Unit2 Regular languages and finite automata NotesNav
  • FLAT Unit1 Introduction NotesNavPDF
  • FLAT UNIT6 Undecidability NotesNav
  • FLAT UNIT5 Turning Machine NotesNavPDF
  • FLAT UNIT3 Context Free Grammar and PDA NotesNav
Solved PYQs2
  • FLAT PYQ NotesnavPYQ
  • FLAT_PYQ_MCQ_QuestionBankPYQ

5th semester

0 Subjects

No subjects registered under 5th semester yet.

6th semester

0 Subjects

No subjects registered under 6th semester yet.

7th semester

0 Subjects

No subjects registered under 7th semester yet.

8th semester

0 Subjects

No subjects registered under 8th semester yet.