Computer Networks (CN)
OSI & TCP/IP Models · Data Link Flow & Error Control (CRC, Sliding Window) · IPv4/IPv6 Subnetting & Routing (OSPF, BGP) · TCP/UDP Protocols · DNS, HTTP, SMTP.
Explore CN Syllabus & PYQs →Your offline-first study companion for B.Tech Computer Science & Engineering Semester 4. Unit-wise previous year questions, 7-mark question banks, notes, and exam routine countdown.
BEU Exam Dost is engineered specifically for Bihar Engineering University (BEU) students enrolled in B.Tech Computer Science & Engineering and allied specialisations (AI & ML, Data Science, Cyber Security, IoT). All study data stays completely offline on your device.
OSI & TCP/IP Models · Data Link Flow & Error Control (CRC, Sliding Window) · IPv4/IPv6 Subnetting & Routing (OSPF, BGP) · TCP/UDP Protocols · DNS, HTTP, SMTP.
Explore CN Syllabus & PYQs →Register Transfer & Bus Architecture · Booth's Multiplication Algorithm · Control Unit Design (Hardwired vs Microprogrammed) · Cache Memory Mapping · Virtual Memory & DMA.
Explore COA Syllabus & PYQs →DFA & NFA Minimization · Regular Expressions & Pumping Lemma · Context-Free Grammars (CNF, GNF) · Pushdown Automata (PDA) · Turing Machines & Undecidability.
Explore FLAT Syllabus & PYQs →ER/EER Data Modeling · Relational Algebra & SQL · Normalization (1NF, 2NF, 3NF, BCNF) · Concurrency Control & 2PL Locking · Serializability & Crash Recovery.
Explore DBMS Syllabus & PYQs →Asymptotic Notations & Recurrences · Divide & Conquer (Merge/Quick Sort) · Greedy Algorithms (MST, Dijkstra) · Dynamic Programming (0/1 Knapsack, LCS) · NP-Completeness.
Explore DAA Syllabus & PYQs →Technical Writing Ethics & Mechanics · Engineering Project Reports & Proposals · Professional Presentations & Group Discussions · Technical Resume & Interviews.
Explore ETC Syllabus & PYQs →In Bihar Engineering University end-semester examinations, subjective questions are typically graded out of 7 marks or 14 marks (split as 7+7). To score maximum marks:
You can find and practice authentic BEU 4th sem CSE previous year question papers directly on BEU Exam Dost (https://app.beudeveloper.in/). All PYQs are organized unit-wise with 7-mark question templates and paper-year trend analysis for Computer Networks, COA, FLAT, DBMS, DAA, and ETC.
The 6 core subjects in Bihar Engineering University (BEU) B.Tech 4th Semester CSE (2024–28 cohort) are: 1) Computer Networks (CN), 2) Computer Organization and Architecture (COA), 3) Formal Languages & Automata Theory (FLAT), 4) Database Management Systems (DBMS), 5) Design & Analysis of Algorithms (DAA), and 6) Effective Technical Communication (ETC).
The BEU end-semester theory exam carries 70 marks and has a 3-hour duration. It contains 9 questions total. Question 1 is compulsory, containing 7 objective/MCQ questions worth 2 marks each (14 marks). Students must answer any 4 questions out of the remaining 8 questions (Questions 2 to 9), each carrying 14 marks, typically split into two 7-mark sub-questions.
To achieve maximum scores on BEU 7-mark questions: 1) Write a concise definition with standard technical keywords, 2) Draw neat, labelled architectural diagrams or finite state schematics, 3) Write clean pseudo-code or mathematical derivations, and 4) Provide complexity analysis or practical industrial applications.
Yes, BEU Exam Dost is built as an offline-first Progressive Web App (PWA). Once loaded in Chrome or Safari, the service worker caches all syllabus topics, question banks, and planning tools. You can install it on your Android or iOS home screen and study with zero internet.