Communication Transmission System Overview

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Questions and Answers

Which of the following is NOT a key component of a communication transmission system?

  • Receiver
  • Transmitter
  • Communication Protocol
  • Signal Source (correct)

What is the role of a communication protocol in a communication transmission system?

  • To provide a physical channel for signal transmission.
  • To decode and interpret signals.
  • To define data format and transmission rules. (correct)
  • To encode and send signals.

Which type of communication transmission involves using light waves to carry data?

  • Optical (correct)
  • Hybrid
  • Wireless
  • Wired

Which of these functions is NOT a core function of a communication transmission system?

<p>Data storage (A)</p> Signup and view all the answers

Which of the following is NOT an example of a communication transmission system?

<p>Power grid (B)</p> Signup and view all the answers

What is the main purpose of a transmitter in a communication transmission system?

<p>To convert data into a transmittable signal. (B)</p> Signup and view all the answers

Which of the following is a type of wired communication transmission?

<p>Coaxial cable (A)</p> Signup and view all the answers

What is the primary function of a receiver in a communication transmission system?

<p>To convert received signals back into understandable data. (B)</p> Signup and view all the answers

Which of these individuals is credited with pioneering wireless transmission?

<p>Guglielmo Marconi (D)</p> Signup and view all the answers

What was the key advancement during the "Digital Revolution" that enabled packet switching?

<p>Internet Protocol (IP) Networks (C)</p> Signup and view all the answers

In what decade did the first mobile phone call take place?

<p>1980s (B)</p> Signup and view all the answers

What was the primary benefit of introducing Digital Signal Processing in the 1970s?

<p>Improving transmission quality (D)</p> Signup and view all the answers

What enabled high-capacity transmission during the "Analog Era"?

<p>Microwave Transmission (A)</p> Signup and view all the answers

Which of the following is NOT a category used to classify communication transmission lines?

<p>Signal Strength (A)</p> Signup and view all the answers

What type of data rate is typically associated with fiber optic cables?

<p>Very High-Speed (A)</p> Signup and view all the answers

Which of these is an example of a communication transmission line categorized as "Medium-Speed"?

<p>DSL (B)</p> Signup and view all the answers

Which of these early communication methods predate the 1800s?

<p>Optical Telegraphy (A)</p> Signup and view all the answers

What type of transmission line is used for CCTV and video conferencing?

<p>Mesh (C)</p> Signup and view all the answers

Which technology originated in the 1950s and was initially proposed by Charles K. Kao?

<p>Fiber Optics (B)</p> Signup and view all the answers

Which of these characteristics is NOT used to categorize a communication transmission line?

<p>Frequency Band (C)</p> Signup and view all the answers

A communication transmission line that connects one central node to multiple other nodes is categorized as what?

<p>Point-to-Multi-Point (C)</p> Signup and view all the answers

Which of the following is a source or reference used for information about communication transmission systems?

<p>International Telecommunication Union (ITU) (C)</p> Signup and view all the answers

Which industry standard is primarily associated with copper cabling?

<p>ANSI/TIA-568 (A)</p> Signup and view all the answers

Which of these technologies emerged during the "Analog Era" (1900s-1970s)?

<p>Satellite Communication (A)</p> Signup and view all the answers

Which of the following key milestones in communication transmission involved connecting Europe and North America?

<p>First Transatlantic Cable (A)</p> Signup and view all the answers

Which of the following is NOT a type of wired communication transmission line based on physical characteristics?

<p>Microwave (B)</p> Signup and view all the answers

Which technology utilizes light for high-speed data transmission?

<p>Li-Fi (C)</p> Signup and view all the answers

What is the frequency range of Very High Frequency (VHF)?

<p>30 MHz - 300 MHz (A)</p> Signup and view all the answers

Which of the following is NOT a type of wireless communication transmission line based on transmission medium?

<p>Copper (A)</p> Signup and view all the answers

Which of these communication technologies is NOT categorized under broadband networks?

<p>Wi-Fi (B)</p> Signup and view all the answers

Which of the following is NOT a future development in communication transmission?

<p>Free space optics (B)</p> Signup and view all the answers

Which of the following is a key milestone that revolutionized communication by establishing the World Wide Web?

<p>World Wide Web (A)</p> Signup and view all the answers

Which of the following is NOT a technical disadvantage of communication transmission?

<p>Social Isolation (C)</p> Signup and view all the answers

Which of the following is NOT a consequence of information overload caused by communication transmission?

<p>Increased Productivity (A)</p> Signup and view all the answers

Which of the following is NOT an advantage of communication transmission?

<p>Signal interference (D)</p> Signup and view all the answers

Which of the following is a disadvantage of communication transmission related to physical infrastructure?

<p>Dependence on infrastructure (C)</p> Signup and view all the answers

Which of the following is NOT a benefit of communication transmission in terms of business?

<p>Social connectivity (A)</p> Signup and view all the answers

Which option best describes the technical disadvantage of 'bandwidth limitations' in communication transmission?

<p>Data transmission capacity constraints (C)</p> Signup and view all the answers

Which option is NOT a potential consequence of over-reliance on digital communication?

<p>Increased work efficiency (B)</p> Signup and view all the answers

Which of the following is NOT an advantage of communication transmission related to global connectivity?

<p>Environmental Impact (B)</p> Signup and view all the answers

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Flashcards

Global Connectivity

Communication that enables interaction across geographic boundaries.

Instantaneous Communication

Real-time exchange of information with no delay.

Increased Productivity

Enhancements in business operations and decision-making due to better communication.

Security Risks

Vulnerabilities in communication systems, such as hacking or data breaches.

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Signal Interference

Physical obstacles or noise that disrupt signal quality.

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Information Overload

A state of being overwhelmed by too much data or information.

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Attenuation

Weakening of a signal as it travels over distance.

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Cyberbullying

Online harassment that affects individuals through digital platforms.

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Communication Transmission System

A system designed to transmit information from a source to a destination through various channels and technologies.

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Key Components

Essential elements of a communication system: transmitter, transmission medium, receiver, communication protocol, and network infrastructure.

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Transmitter

The component that encodes and sends signals in a communication system.

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Transmission Medium

The physical channel used to transport signals, such as wire, fiber, or air.

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Receiver

The device that decodes and interprets incoming signals.

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Communication Protocol

The set of rules that define data format and transmission methods in a communication system.

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Types of Communication

Categories of communication systems: wired, wireless, optical, and hybrid.

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Functions of Communication Transmission

Key roles of a communication system include signal transmission, data encoding/decoding, and error correction.

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Optical Telegraphy

A method of communication using light signals, such as lanterns and mirrors, by ancient civilizations.

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Drum-Based Communication

A form of messaging using drum beats primarily utilized by African tribes.

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Telegraph

Invention by Samuel Morse in 1837, allowing electrical signals to transmit messages over wires.

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Telephone

Developed by Alexander Graham Bell in 1876, enabling voice communication over distances.

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Wireless Telegraphy

Pioneered by Guglielmo Marconi in 1895, allowing signal transmission without wires.

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Fiber Optics

Proposed by Charles K. Kao in the 1950s, using light to transmit data through thin glass fibers.

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Digital Signal Processing

A technology from the 1970s improving the quality and efficiency of signal transmission.

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Internet Protocol Networks

Networks developed in the 1980s allowing data to be sent as packets, forming the basis of the internet.

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Super High Frequency (SHF)

Electromagnetic frequency range from 3 GHz to 30 GHz.

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Point-to-Point Topology

A direct connection established between two nodes in a network.

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Point-to-Multi-Point Topology

One node connects to multiple nodes in a network.

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Mesh Topology

A network configuration where multiple nodes are interlinked together.

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Data Rate Categories

Classification of communication lines based on data transmission speed.

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IEEE 802.3 Standard

An industry standard for Ethernet technology in networks.

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Telephony Application

Voice communication systems used to transmit sound over distances.

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Video Transmission Application

Systems that transmit video content, such as CCTV or video conferencing.

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Broadband Networks

Networks that provide high-speed internet access via DSL, cable, and fiber-optic technology.

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Wireless Networks

Networks using Wi-Fi, 3G, 4G, and 5G technologies for wireless communication.

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Internet of Things (IoT)

A network of interconnected devices that communicate and share data.

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First Transatlantic Cable

The 1858 cable connecting Europe and North America, enabling telegraph communication.

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6G Networks

Future wireless technology expected to provide faster and more efficient communication.

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Quantum Communication

A method of secure data transmission using principles of quantum mechanics.

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Fiber Optic Communication

A method of transmitting data using glass or plastic fibers to convey light signals.

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Frequency Ranges

Categorization of communications based on frequency: LF, MF, HF, VHF, UHF.

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Study Notes

Communication Transmission System and Antenna - Introduction

  • Communication Transmission System is a system designed to transmit information between a source and a destination via a channel. Various technologies, protocols, and networks are utilized to ensure reliable, efficient data exchange.
  • A communication transmission system encompasses hardware, software, and infrastructure necessary for conveying various communication signals (voice, data, text, images, video) between multiple points using electrical, optical, or wireless signals.
  • Key components of a communication transmission system include:
    • Transmitter: Encodes and sends signals
    • Transmission Medium: Physical channel (wire, fiber, air)
    • Receiver: Decodes and interprets signals
    • Communication Protocol: Defines data format and rules for transmission
    • Network Infrastructure: Supports transmission and routing of signals

Types of Communication Transmission

  • Wired: Fiber optic, coaxial, twisted pair
  • Wireless: Radio frequency, microwave, satellite
  • Optical: Fiber optic
  • Hybrid: Combination of wired and wireless options

Functions of Communication Transmission

  • Signal Transmission
  • Data Encoding/Decoding
  • Error Detection/Correction
  • Flow Control
  • Network Management

Examples of Communication Transmission Systems

  • Telecommunication Networks
  • Computer Networks
  • Internet
  • Radio Broadcasting
  • Satellite Communication Systems

Advantages of Communication Transmission

  • Global Connectivity: Enables communication across geographical boundaries.
  • Instantaneous Communication: Real-time information exchange.
  • Increased Productivity: Enhances business operations and decision-making.
  • Cost-Effective: Reduces communication costs.
  • Access to Information: Facilitates the sharing of knowledge.
  • Improved Customer Service: Enhanced customer engagement
  • Remote Collaboration: Enables remote work and teamwork.
  • Economic Growth: Stimulates economic development.
  • Social Connectivity: Fosters global relationships
  • Disaster Recovery: Enables emergency communication

Disadvantages of Communication Transmission

  • Security Risks: Vulnerable to hacking, eavesdropping, and data breaches.
  • Signal Interference: Physical obstructions, noise, and interference.
  • Transmission Delays: Latency and packet loss.
  • Dependence on Infrastructure: Requires maintenance and upgrades
  • Environmental Impact: Energy consumption, e-waste
  • Social Isolation: Over-reliance on digital communication
  • Information Overload: Data saturation
  • Technical Issues: Equipment failures, software glitches
  • Regulatory Challenges: Compliance with various laws and regulations
  • Cyberbullying: Online harassment

Technical Disadvantages of Communication Transmission

  • Attenuation: Signal weakening over distance.
  • Noise: Electromagnetic interference.
  • Multipath Fading: Signal distortion.
  • Bandwidth Limitations: Data transmission capacity constraints.
  • Packet Loss: Data transmission errors

Background of Communication Transmission

  • Early Beginnings (Pre-1800s)

    • Ancient Civilizations (e.g., Greeks using optical telegraphy).
    • Drum-based communication (e.g., African tribes).
    • Optical Telegraphy (e.g., Chinese using smoke signals).

  • Electrical Communication (1800s-1900s)

    • Telegraph (1837)
    • Telephone (1876)
    • Wireless Telegraphy (1895)
    • Coaxial Cables (1880)

  • Analog Era (1900s-1970s)

    • Radio Communication
    • Microwave Transmission
    • Satellite Communication

  • Digital Revolution (1970s-1990s)

    • Digital Signal Processing
    • Fiber-Optic Cables
    • Internet Protocol (IP) Networks
    • Cellular Networks

  • Modern Era (2000s-Present)

    • Broadband Networks (DSL, cable, fiber-optic)
    • Wireless Networks (Wi-Fi, 3G, 4G, 5G)
    • Cloud Computing
    • Internet of Things

Categorization of Communication Transmission Lines

  • Physical characteristics (wired, wireless, optical)
  • Transmission medium (copper, fiber optic, wireless, satellite)
  • Frequency range (LF, MF, HF, VHF, UHF, SHF)
  • Network topology (point-to-point, point-to-multi-point, mesh)
  • Data rate (low-speed, medium-speed, high-speed, very high-speed)
  • Application (telephony, data communication, video transmission, broadband)
  • Industry Standards (IEEE 802.3, ITU-T G.652, 3GPP, ANSI/TIA-568)

Sources and References

  • IEEE Communications Society
  • International Telecommunication Union (ITU)
  • Federal Communications Commission (FCC)
  • Books on Communication Systems
  • Relevant Publications from IEEE, AT&T

Future Developments

  • 6G Networks
  • Quantum Communication
  • Artificial Intelligence (AI) in Network Management
  • Li-Fi

Key Milestones

  • First Transatlantic Cable
  • First Commercial Satellite
  • First Mobile Phone Call
  • World Wide Web

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