SPPU- Computer Network-UNIT 1(Semester 5-2024 Pattern)

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Computer Networks – Unit 1 Notes | SPPU Complete exam-oriented notes for Computer Networks Unit 1 prepared according to the SPPU syllabus Complete, well-structured and easy-to-understand SPPU exam-oriented notes covering: • Introduction & Uses of Computer Networks • Business, Home & Mobile Applications • Network Hardware – PAN, LAN, MAN, WAN & Internetworks • Network Software & Protocol Hierarchies • Layer Design Issues • Connection-Oriented & Connectionless Services • Service Primitives & Services vs Protocols • OSI & TCP/IP Reference Models • Physical Layer – Guided & Wireless Transmission Media • Telephone System • Narrowband & Broadband Communication Systems • Introduction to Network Security • CIA Triad – Confidentiality, Integrity & Availability • Basic Threats & Vulnerabilities 📚 What’s included: * Clear and easy-to-understand theory * Important definitions and concepts * Detailed explanations of key topics * Exam-writing points and suitable examples * Well-structured notes for quick revision * Important diagrams wherever required 🎯 Best for: SPPU Computer Engineering / CS / Data Science students preparing for semester examinations. These notes are designed to help you understand concepts quickly and write well-structured answers in exams.

Topics covered

Headings from inside this PDF (55 pages in total).

1. Unit I - : Introduction to Computer Networks and Physical Layer
2. 1. Router
3. 2. Switch
4. 3. Hub
5. 4. Bridge
6. 5. Gateway
7. 6. Access Point (AP)
8. 7. Modem
9. 8. Firewall
10. 1. Resource Sharing-

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55 pages

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English

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Disha Singh

Published

10 September 2026

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