Networking concepts
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Chapter one [Networking Concepts] of computer of Kibps for class 8 view video at https://youtu.be/g7YPchqPSuw
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Networking concepts
This document discusses basic networking concepts including nodes that transmit and receive information, various wired and wireless networking media like Ethernet cables, coaxial cables, optical fibers, Bluetooth, and Wi-Fi, different types of networks such as personal area networks, local area networks, and wide area networks, and common networking devices including modems, hubs, switches, repeaters, routers, and gateways.
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This document discusses ad-hoc sensor networks. It notes that ad-hoc networks are decentralized wireless networks that do not rely on preexisting infrastructure, with each node participating in routing by forwarding data. The networks are self-configuring and scalable, allowing additional nodes to be added. They see applications in military operations, emergency response, home networks, and environmental monitoring where infrastructure is not present or mobility is required.
Wireless networking
Wireless networking allows devices to connect to a network without cables by using technologies like Wi-Fi, Bluetooth, and HomeRF. Common types of wireless networks include peer-to-peer networks connecting devices directly and infrastructure networks with an access point connecting devices to a larger network. Key components of setting up a wireless network include wireless adapters, access points, antennas, and configuring standards and security protocols like WEP, WPA, and MAC address filtering.
Chapter 3
A computer network connects devices together through communication devices and transmission media. TCP/IP is a common network protocol that defines how messages are routed between devices. Common network topologies include bus, star, and ring configurations. Hardware like network interface cards, hubs, routers, and switches facilitate device connections. Wireless technologies like WiFi and Bluetooth allow for device communication without cables.
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This document provides an overview of wireless networks like Bluetooth and Wi-Fi. It discusses the "Father of Wi-Fi" Vic Hayes and how Wi-Fi networks work using wireless access points. The document outlines different Wi-Fi technologies like 802.11b, 802.11a, 802.11g and the latest 802.11ac standard. It also covers the basic elements of a Wi-Fi network including access points, Wi-Fi cards, and security measures. The advantages of Wi-Fi networks like mobility and convenience are highlighted as well as some limitations.
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wired and wireless networks
This document discusses and compares wired and wireless networks. Wired networks transmit data through physical cables connecting devices, while wireless networks transmit data through the air using electromagnetic waves without cables. Examples of wired networks include telephone lines, cable TV, and fiber optic networks, while wireless technologies include radio frequencies, infrared, Bluetooth, Wi-Fi, and satellite communication.
Tools, materials and equipment for networking
A cable tester is an electronic device used to verify electrical connections in signal cables. More advanced cable testers can measure properties like resistance, attenuation, noise, and interference. A metropolitan area network (MAN) interconnects computer resources in an area larger than a local area network but smaller than a wide area network. A local area network (LAN) connects computers within a building or group of buildings, and can connect to other LANs over long distances. A wireless adapter adds wireless connectivity to laptops and desktops and are available as external USB devices or cards that plug into the computer motherboard.
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Networking concepts
This document discusses basic networking concepts including nodes that transmit and receive information, various wired and wireless networking media like Ethernet cables, coaxial cables, optical fibers, Bluetooth, and Wi-Fi, different types of networks such as personal area networks, local area networks, and wide area networks, and common networking devices including modems, hubs, switches, repeaters, routers, and gateways.
Advantages of ad hoc sensor network, driving application
This document discusses ad-hoc sensor networks. It notes that ad-hoc networks are decentralized wireless networks that do not rely on preexisting infrastructure, with each node participating in routing by forwarding data. The networks are self-configuring and scalable, allowing additional nodes to be added. They see applications in military operations, emergency response, home networks, and environmental monitoring where infrastructure is not present or mobility is required.
Wireless networking
Wireless networking allows devices to connect to a network without cables by using technologies like Wi-Fi, Bluetooth, and HomeRF. Common types of wireless networks include peer-to-peer networks connecting devices directly and infrastructure networks with an access point connecting devices to a larger network. Key components of setting up a wireless network include wireless adapters, access points, antennas, and configuring standards and security protocols like WEP, WPA, and MAC address filtering.
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A computer network connects devices together through communication devices and transmission media. TCP/IP is a common network protocol that defines how messages are routed between devices. Common network topologies include bus, star, and ring configurations. Hardware like network interface cards, hubs, routers, and switches facilitate device connections. Wireless technologies like WiFi and Bluetooth allow for device communication without cables.
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This document provides an overview of wireless networks like Bluetooth and Wi-Fi. It discusses the "Father of Wi-Fi" Vic Hayes and how Wi-Fi networks work using wireless access points. The document outlines different Wi-Fi technologies like 802.11b, 802.11a, 802.11g and the latest 802.11ac standard. It also covers the basic elements of a Wi-Fi network including access points, Wi-Fi cards, and security measures. The advantages of Wi-Fi networks like mobility and convenience are highlighted as well as some limitations.
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The document discusses the history and evolution of wireless networking technologies. It covers early wireless technologies like cellular networks and infrared, as well as modern standards like Wi-Fi, Bluetooth, WiMAX, and 3G/4G cellular networks. It also discusses different types of wireless networks including WLANs, wireless mesh networks, personal area networks, and wireless wide area networks. Security concerns with wireless technologies are also addressed.
wired and wireless networks
This document discusses and compares wired and wireless networks. Wired networks transmit data through physical cables connecting devices, while wireless networks transmit data through the air using electromagnetic waves without cables. Examples of wired networks include telephone lines, cable TV, and fiber optic networks, while wireless technologies include radio frequencies, infrared, Bluetooth, Wi-Fi, and satellite communication.
Tools, materials and equipment for networking
A cable tester is an electronic device used to verify electrical connections in signal cables. More advanced cable testers can measure properties like resistance, attenuation, noise, and interference. A metropolitan area network (MAN) interconnects computer resources in an area larger than a local area network but smaller than a wide area network. A local area network (LAN) connects computers within a building or group of buildings, and can connect to other LANs over long distances. A wireless adapter adds wireless connectivity to laptops and desktops and are available as external USB devices or cards that plug into the computer motherboard.
Introduction To Computer Network
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Data communication involves the exchange of data between two devices via a transmission medium like wired cables or radio waves. A successful data communication system depends on accurate and timely delivery of data. There are five key components of a data communication system: the medium that transmits the data, protocols that establish communication rules, and the direction of data flow which can be unidirectional, one direction at a time, or both directions simultaneously.
Wireless Network
Wireless networks communicate using electromagnetic waves transmitted through antennas without physical connections like wires. They have advantages over wired networks such as quick installation, mobility, and lower maintenance costs. There are different types of wireless networks including WPAN for personal networks covering short distances, WLAN for local networks, WMAN for metropolitan networks, and WWAN for wide area networks. Key wireless technologies discussed include Bluetooth, WiMax, and protocols for mobile phones.
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Basic of Data Communication
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* Types and characteristics of Data Communication
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* Computer Networks
* Transmission medium
* Fiber optic cable (advantage and disadvantage)
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Data communication involves the transmission of electronic data between nodes through a communication medium. There are several fundamental principles and basic elements of a communication system. The principles include delivery of data to the correct destination, accuracy of the data, and timely delivery. The basic elements are the message, sender, medium, receiver, and protocols. Common wired media include twisted pair cable, coaxial cable, and fiber optic cable. Wireless media include Bluetooth, Wi-Fi, and cellular networks. Protocols like TCP/IP govern how devices communicate by handling delivery and addressing. Data can be transmitted in analog or digital form.
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A personal area network (PAN) allows communication between devices near an individual via wired or wireless connections. Wireless PANs use technologies like Bluetooth or ZigBee. Bluetooth operates in the 2.4 GHz range using frequency hopping and can connect one master device to up to 7 slave devices. ZigBee uses the IEEE 802.15.4 standard and targets low-power, low data rate, secure mesh networking applications.
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Wlan
A wireless local area network (WLAN) uses radio waves or infrared signals to provide wireless connections between devices within a limited area such as a home, school, or office building. WLANs allow users mobility to move around within the range of the network while remaining connected. Most modern WLANs are based on IEEE 802.11 standards and marketed under the Wi-Fi brand name. They provide faster connection speeds than early wireless networks and greater range than infrared networks.
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Wireless phone standards have a life of their own. You can tell, because they are spoken of reverently in terms of generations. There's Great-Granddad, whose pioneering story pre-dates cellular; Grandma and Grandpa 1G, or analog cellular, Mom and Dad 2G, or digital cellular; 3G wireless, 4G, 5G and so on. This is a survey report PPT on these technology.
Personal Area Network
A personal area network (PAN) connects devices within an individual's immediate vicinity, such as computers and phones. There are two types of PANs: wired and wireless. Wired PANs connect devices physically using cables, while wireless PANs connect devices through infrared, Bluetooth, or home radio frequency without cables. Wireless PANs are established automatically once devices are within range of each other. PANs provide quick and easy data transfer but have limited range and compatibility between devices. They are used in applications like healthcare, transportation hubs, education, the military, homes, and offices.
Wireless
The document provides an overview of wireless networking, including:
- Descriptions of common wireless standards such as 802.11b, 802.11a, and 802.11g.
- Considerations for deploying a wireless network such as effective range, interference issues, and security measures.
- Potential applications of wireless networking and how it can connect to existing wired networks.
- Factors to assess for a wireless deployment including building structure and existing technologies.
WLAN
This document discusses wireless local area networks (WLANs). It begins by defining WLANs and tracing their history from early developments in the 1970s. The document then lists key advantages of WLANs like installation flexibility, reduced costs, and mobility. Potential disadvantages are also outlined, such as higher costs compared to wired networks and limitations from environmental factors. The document goes on to describe different types of WLAN configurations including infrastructure, peer-to-peer, bridge, and wireless distribution systems. Finally, practical uses of WLANs in corporate, education, finance, and healthcare settings are highlighted.
Data communication
This document discusses data communication and its key components. It describes how data is communicated between a sender and receiver using a transmission medium. The effectiveness of data communication depends on reliably delivering data, accuracy, timeliness and avoiding jitter. The main components of a data communication system are the message, sender, receiver, transmission medium, and protocols which govern the communication. Different types of data like text, numbers, images, audio and video are represented digitally for transmission. Data communication can occur through simplex, half-duplex or full-duplex modes.
Wireless communaction
Wireless communication involves transmitting information over distances without wires through technologies like radio waves, infrared, Wi-Fi, and Bluetooth. There are several types of wireless communication including infrared, satellite, radio broadcasting, and microwave transmission which have a variety of applications. While wireless communication provides flexibility and easy setup, limitations include weak signals blocked by obstacles and lower bandwidth compared to wired connections. Overall, wireless communication plays a major role in modern society and enables monitoring patients from long distances.
Communications
Computer communications involves the transfer of data between devices using a communications channel. Key components of communication include a sender, receiver, encoding/decoding devices, and transmission medium. Networks connect multiple devices to facilitate communication and sharing of resources. Common network types include local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). Standards define how devices communicate over networks and include protocols, topologies, and technologies like Ethernet, TCP/IP, Wi-Fi, and Bluetooth.
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Data communication involves the exchange of data between two devices via a transmission medium like wired cables or radio waves. A successful data communication system depends on accurate and timely delivery of data. There are five key components of a data communication system: the medium that transmits the data, protocols that establish communication rules, and the direction of data flow which can be unidirectional, one direction at a time, or both directions simultaneously.
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Wireless networks communicate using electromagnetic waves transmitted through antennas without physical connections like wires. They have advantages over wired networks such as quick installation, mobility, and lower maintenance costs. There are different types of wireless networks including WPAN for personal networks covering short distances, WLAN for local networks, WMAN for metropolitan networks, and WWAN for wide area networks. Key wireless technologies discussed include Bluetooth, WiMax, and protocols for mobile phones.
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This document provides an overview of basic concepts in wireless communication systems, including definitions of computer networks, networking, transmission media, distributed systems, and client-server models. It describes common network devices, topologies, protocols, and the differences between local and wide area networks.
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In this slide, you will know about the basic of data communication
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The document discusses wireless networks and their use in libraries. It provides definitions of wireless networks and explains how they allow data transfer without cables by using radio waves. It describes the advantages wireless networks provide for users and libraries, such as mobility, easy access to information, and simplified network configuration. The document also discusses common wireless network standards and security measures used. Overall, the document conveys that wireless connectivity in libraries offers convenient access to library resources and services for users regardless of their location.
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Data communication involves the transmission of electronic data between nodes through a communication medium. There are several fundamental principles and basic elements of a communication system. The principles include delivery of data to the correct destination, accuracy of the data, and timely delivery. The basic elements are the message, sender, medium, receiver, and protocols. Common wired media include twisted pair cable, coaxial cable, and fiber optic cable. Wireless media include Bluetooth, Wi-Fi, and cellular networks. Protocols like TCP/IP govern how devices communicate by handling delivery and addressing. Data can be transmitted in analog or digital form.
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This Presentation covers:
Basics of data communications
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A personal area network (PAN) allows communication between devices near an individual via wired or wireless connections. Wireless PANs use technologies like Bluetooth or ZigBee. Bluetooth operates in the 2.4 GHz range using frequency hopping and can connect one master device to up to 7 slave devices. ZigBee uses the IEEE 802.15.4 standard and targets low-power, low data rate, secure mesh networking applications.
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This document discusses objectives for a chapter on computer communications. It covers topics like describing uses of computer communications including wireless messaging services and wireless internet access points. It also covers differentiating between types of networks like LANs, MANs, and WANs. Additionally, it addresses explaining the purpose of communications software and describing various types of lines for communications over the telephone network.
Wlan
A wireless local area network (WLAN) uses radio waves or infrared signals to provide wireless connections between devices within a limited area such as a home, school, or office building. WLANs allow users mobility to move around within the range of the network while remaining connected. Most modern WLANs are based on IEEE 802.11 standards and marketed under the Wi-Fi brand name. They provide faster connection speeds than early wireless networks and greater range than infrared networks.
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A personal area network (PAN) connects devices within an individual's immediate vicinity, such as computers and phones. There are two types of PANs: wired and wireless. Wired PANs connect devices physically using cables, while wireless PANs connect devices through infrared, Bluetooth, or home radio frequency without cables. Wireless PANs are established automatically once devices are within range of each other. PANs provide quick and easy data transfer but have limited range and compatibility between devices. They are used in applications like healthcare, transportation hubs, education, the military, homes, and offices.
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The document provides an overview of wireless networking, including:
- Descriptions of common wireless standards such as 802.11b, 802.11a, and 802.11g.
- Considerations for deploying a wireless network such as effective range, interference issues, and security measures.
- Potential applications of wireless networking and how it can connect to existing wired networks.
- Factors to assess for a wireless deployment including building structure and existing technologies.
WLAN
This document discusses wireless local area networks (WLANs). It begins by defining WLANs and tracing their history from early developments in the 1970s. The document then lists key advantages of WLANs like installation flexibility, reduced costs, and mobility. Potential disadvantages are also outlined, such as higher costs compared to wired networks and limitations from environmental factors. The document goes on to describe different types of WLAN configurations including infrastructure, peer-to-peer, bridge, and wireless distribution systems. Finally, practical uses of WLANs in corporate, education, finance, and healthcare settings are highlighted.
Data communication
This document discusses data communication and its key components. It describes how data is communicated between a sender and receiver using a transmission medium. The effectiveness of data communication depends on reliably delivering data, accuracy, timeliness and avoiding jitter. The main components of a data communication system are the message, sender, receiver, transmission medium, and protocols which govern the communication. Different types of data like text, numbers, images, audio and video are represented digitally for transmission. Data communication can occur through simplex, half-duplex or full-duplex modes.
Wireless communaction
Wireless communication involves transmitting information over distances without wires through technologies like radio waves, infrared, Wi-Fi, and Bluetooth. There are several types of wireless communication including infrared, satellite, radio broadcasting, and microwave transmission which have a variety of applications. While wireless communication provides flexibility and easy setup, limitations include weak signals blocked by obstacles and lower bandwidth compared to wired connections. Overall, wireless communication plays a major role in modern society and enables monitoring patients from long distances.
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"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
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The event will cover the following::
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
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advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
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significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
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land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
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centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
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9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
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Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
BBR 2024 Summer Sessions Interview Training
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Networking concepts
- 2. • To learn about:- • Computer Networks and its Components • Advantages of Networking • Networking Devices • Networking Terminology • Networking Media • Protocols • Types of Networks Nex t Pre v
- 3. • A computer network can be defined as a group of computers and other peripheral devices that are linked together for the purpose of sharing data and hardware resources • Examples of network:- Telephone system, Banks / ATMs , Internet, Computer Lab in your school Note:- Peripheral devices are the devices which are not the part of the essential computer system, also called auxiliary devices e.g. printer, scanner etc. Nex t Pre v
- 4. Nex t Pre v
- 5. • A computer in a network can communicate with other computers as well as it can work independently. Each computer in a network is called Node. • A computer network also works as a Data Communication System. Which consist of : Message, Sender, Receiver, Transmission Medium and a Protocol. Message MediumSender Receiver Nex t Pre v
- 6. • Message: It is the information that needs to be communicated it can contain text, image, audio, video, document etc. • Sender: is a device [can be a computer, laptop, mobile, workstation connected to the network] that sends the data message through a web browser or mobile app. • Receiver: device which receives the data message sent by any sender over the network. • Transmission Medium: it is the physical path through which the message travels from the sender to the receiver, it can be a Twisted pair cable, fiber optic cable etc. • Protocol: is the set of rules that governs the communication process. Without a protocol data can not be exchanged between communicating devices. Nex t Pre v
- 7. Nex t Pre v
- 8. • Bank / ATM • Computer Lab in your School • Railway Lines • All of the above
- 9. • Continue the quiz
- 11. • Node • Message • Bus • Medium
- 12. • Continue the quiz
- 14. TRUE FALSE
- 15. • Continue the quiz
- 16. Continue
- 17. 1. What is a computer network? 2. Define 1. Message 2. Sender 3. Receiver 4. Transmission Medium 5. Protocol Nex t Pre v
- 18. • Stay tuned for next • Visit my YouTube channel • Visit my Blog for more tutorials • Reach me at meetuchoudhary@gmail.com for more queries. Pre v End/ES C