MIS m3

MANAGEMENT INFORMATION SYSTEMS (MIS)

  • Instructor: Shailak Jani

TELECOMMUNICATION AND NETWORKS

Overview of Module

  • Focus: Different types of Telecommunication & Networking technologies.

Topics Covered

  • Introduction to Telecommunication and Networks

  • Communication Media

  • Modems & Channels

  • LAN, MAN & WAN - Network Topologies

  • Internet, Intranet and Extranet

  • Wireless technologies like Wi-Fi, Bluetooth

INTRODUCTION TO TELECOMMUNICATION AND NETWORKS

Telecommunication

  • Definition: Electronic transmission of data, voice, or video over distances.

  • Key Components:

    • ransmitters and Receivers: Devices like smartphones.

    • Transmission Medium: Cables or airwaves.

    • Protocols: Rules governing data transfer.

Networks

  • Definition: Interconnected devices sharing resources/data.

  • Types:

    • Public Networks: Open to the public (e.g., Internet).

    • Private Networks: Restricted access (e.g., Intranet).

IMPORTANCE FOR ORGANIZATIONS

  • Enables connectivity and communication.

  • Enhances efficiency and productivity.

  • Cost reduction through virtual meetings and cloud resources.

KEY FEATURES

  • Real-Time Communication: Enables immediate interactions (e.g., Zoom).

  • Scalability: Networks can grow as needed.

  • Reliability: Systems have redundancy for consistent service.

  • Global Reach: Facilitates operations across borders.

EXAMPLES IN ACTION

Healthcare

  • Telemedicine platforms improve accessibility.

Retail

  • E-commerce uses networks for operations like order tracking.

KEY TAKEAWAYS

  • Vital for global business operations.

  • Key features: real-time data exchange, scalability, global reach.

COMMUNICATION MEDIA, MODEMS & CHANNELS

Communication Media

  • Types:

    • Wired

    • Wireless

Wired Media

  • Twisted Pair Cables: Common for LANs.

  • Coaxial Cables: Used for cable TV.

  • Fiber Optic Cables: Higher bandwidth and speed.

Wireless Media

  • Radio Waves: For wireless communication.

  • Microwaves: Long-distance data transfer.

  • Infrared: Short-range communication.

Modems

  • Definition: Converts digital signals to analog and vice versa.

  • Types:

    • Dial-Up, DSL, Cable, Fiber Optic Modems.

Communication Channels

  • Types: Simplex, Half-Duplex, Full-Duplex.

COMPARISON BETWEEN MEDIA

  • Speed: Wired offers higher than wireless.

  • Range: Wireless provides mobility but limited distance.

  • Cost: Wired is costly to install vs. wireless deployment.

  • Security: Wired is generally more secure.

KEY TAKEAWAYS

  • Media and channels are essential for data transmission.

  • Various types enable diverse communication features.

LAN, MAN, & WAN

Local Area Network (LAN)

  • Connects devices in a limited area (e.g., office).

Metropolitan Area Network (MAN)

  • Connects multiple LANs within a city.

Wide Area Network (WAN)

  • Covers large areas, connecting distant networks.

KEY TAKEAWAYS

  • LANs: High-speed, local networks.

  • MANs: Medium coverage, managing multiple LANs.

  • WANs: Global connections but at lower speeds/costs.

NETWORK TOPOLOGIES

Types of Network Topologies

  • Bus, Ring, Star, Mesh, Hybrid

Key Takeaways

  • Different topologies affect network performance and reliability.

INTERNET, INTRANET, AND EXTRANET

Internet

  • Global, public network for various services.

Intranet

  • Private network within organizations.

Extranet

  • Secure access for external users to an intranet.

KEY TAKEAWAYS

  • Internet: Public access for information sharing.

  • Intranet: Internal organization use.

  • Extranet: Collaborates with external parties.

WIRELESS TECHNOLOGIES

Wi-Fi

  • Wireless technology for internet access.

Bluetooth

  • Short-range data exchange technology.

KEY TAKEAWAYS

  • Wi-Fi: High-speed, long-range connectivity.

  • Bluetooth: Short-range device connections.

END OF MODULE 3

Thank You!Instructor: Shailak JaniEmail: Shailak.jani36092@paruluniversity.ac.in