Network ppt 1
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This document discusses different types of computer networks categorized by their physical organization, usage, and operating distance. It describes Local Area Networks (LANs) which connect devices within a building or office, Wide Area Networks (WANs) that span cities and countries by connecting multiple LANs, Metropolitan Area Networks (MANs) serving an entire city by connecting two or more LANs, and Personal Area Networks (PANs) wirelessly connecting personal devices within 30 feet of each other.
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Lecture 20
A computer network connects computing devices through communication channels to facilitate sharing of resources and information among users. Networks allow for email, file sharing, printer sharing, and easier access to information. There are several types of networks including local area networks (LANs), wide area networks (WANs), and metropolitan area networks (MANs). LANs connect devices within a small area like a building while WANs connect LANs across larger areas like cities and countries. Devices on a network can be categorized as servers that provide shared resources or workstations that are used by humans. LANs are implemented using cables or wireless connections while WANs connect across public networks.
Presentation1
Computer networking connects computers together to share data. A key distinction is between a service, which are capabilities provided by a system, and a protocol, which are communication rules between endpoints. Computer networks can be classified by geographical area as local area networks (LANs), metropolitan area networks (MANs), or wide area networks (WANs). Components include nodes (systems), communication media like servers, routers, and modems, and different topology layouts such as bus, ring, mesh, and star.
Metropolitan area network
A Metropolitan Area Network (MAN) connects computer networks over a larger area than a local area network, such as within a city, using technologies like cable TV networks. It allows sharing of resources over a larger area than a LAN but smaller than a WAN. While more expensive than a LAN, a MAN provides connectivity over a larger area than a LAN within a single city.
Computer Network
This document discusses computer networks and provides details about three main types: LAN, MAN, and WAN. It defines each type of network and provides examples. LAN connects computers in a small local area like a home or office using cables or wireless connections. MAN connects LANs across a larger metropolitan area, using fiber optics and routers. WAN spans the largest areas like countries and continents, with the Internet as a common example, connecting LANs globally through Internet service providers.
Computer network
Computer networks allow computers to connect and share resources like files, printers, and communication tools. There are different types of networks including local area networks (LANs) within an office or building, metropolitan area networks (MANs) across a city, and wide area networks (WANs) spanning multiple cities or countries. Data transmission in a network can occur via simplex, half-duplex, or full duplex modes - with simplex allowing only one-way transmission, half-duplex allowing bidirectional but not simultaneous transmission, and full duplex supporting simultaneous transmission in both directions.
Computer Networks
The document discusses computer networks and their key components. It defines a network as connecting two or more computers to share resources, exchange files, and allow electronic communication. Networks can connect computers through cables, phone lines, radio waves, satellites, or infrared light beams. The main types of networks discussed are LANs, WANs, MANs, intranets, and the Internet. Network components include hardware like network cards, hubs, and transmission facilities as well as software protocols and device drivers. Network topologies include star, ring, and bus configurations. Communication media include wired and wireless options. Protocols govern the communication process and the OSI reference model defines a hierarchical standard for network layers.
Introduction To Computer Network
Networking • Computer network A collection of computing devices that are connected in various ways in order to communicate and share resources Usually, the connections between computers in a network are made using physical wires or cables However, some connections are wireless, using radio waves or infrared signals.
Networks by akhil
A network connects computers and resources to allow communication between devices. A local area network (LAN) connects devices within a building through cables and allows sharing of printers and servers but risks viruses. A wide area network (WAN) spans a large geographic area like cities and countries but has slower speeds and less security than a LAN. A wireless local area network (WLAN) uses radio waves instead of cables for short-distance connectivity but also lacks security.
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Lecture 20
A computer network connects computing devices through communication channels to facilitate sharing of resources and information among users. Networks allow for email, file sharing, printer sharing, and easier access to information. There are several types of networks including local area networks (LANs), wide area networks (WANs), and metropolitan area networks (MANs). LANs connect devices within a small area like a building while WANs connect LANs across larger areas like cities and countries. Devices on a network can be categorized as servers that provide shared resources or workstations that are used by humans. LANs are implemented using cables or wireless connections while WANs connect across public networks.
Presentation1
Computer networking connects computers together to share data. A key distinction is between a service, which are capabilities provided by a system, and a protocol, which are communication rules between endpoints. Computer networks can be classified by geographical area as local area networks (LANs), metropolitan area networks (MANs), or wide area networks (WANs). Components include nodes (systems), communication media like servers, routers, and modems, and different topology layouts such as bus, ring, mesh, and star.
Metropolitan area network
A Metropolitan Area Network (MAN) connects computer networks over a larger area than a local area network, such as within a city, using technologies like cable TV networks. It allows sharing of resources over a larger area than a LAN but smaller than a WAN. While more expensive than a LAN, a MAN provides connectivity over a larger area than a LAN within a single city.
Computer Network
This document discusses computer networks and provides details about three main types: LAN, MAN, and WAN. It defines each type of network and provides examples. LAN connects computers in a small local area like a home or office using cables or wireless connections. MAN connects LANs across a larger metropolitan area, using fiber optics and routers. WAN spans the largest areas like countries and continents, with the Internet as a common example, connecting LANs globally through Internet service providers.
Computer network
Computer networks allow computers to connect and share resources like files, printers, and communication tools. There are different types of networks including local area networks (LANs) within an office or building, metropolitan area networks (MANs) across a city, and wide area networks (WANs) spanning multiple cities or countries. Data transmission in a network can occur via simplex, half-duplex, or full duplex modes - with simplex allowing only one-way transmission, half-duplex allowing bidirectional but not simultaneous transmission, and full duplex supporting simultaneous transmission in both directions.
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The document discusses computer networks and their key components. It defines a network as connecting two or more computers to share resources, exchange files, and allow electronic communication. Networks can connect computers through cables, phone lines, radio waves, satellites, or infrared light beams. The main types of networks discussed are LANs, WANs, MANs, intranets, and the Internet. Network components include hardware like network cards, hubs, and transmission facilities as well as software protocols and device drivers. Network topologies include star, ring, and bus configurations. Communication media include wired and wireless options. Protocols govern the communication process and the OSI reference model defines a hierarchical standard for network layers.
Introduction To Computer Network
Networking • Computer network A collection of computing devices that are connected in various ways in order to communicate and share resources Usually, the connections between computers in a network are made using physical wires or cables However, some connections are wireless, using radio waves or infrared signals.
Networks by akhil
A network connects computers and resources to allow communication between devices. A local area network (LAN) connects devices within a building through cables and allows sharing of printers and servers but risks viruses. A wide area network (WAN) spans a large geographic area like cities and countries but has slower speeds and less security than a LAN. A wireless local area network (WLAN) uses radio waves instead of cables for short-distance connectivity but also lacks security.
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The document discusses communication devices presented in a seminar by Sanchit Sharma. It provides background on the history of communication, beginning with human voice and early writing systems. Various communication devices are defined, including modems, routers, hubs, switches, mobile phones, and bridges. For each device type, a brief description of its function is given. The seminar covered advantages and disadvantages of communication devices as well as the roles of different networking components in digital communication.
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The document provides an overview of computer networking basics, including definitions of common networking terms like Ethernet, switches, routers, and IP addresses. It also describes typical home networking setups and configurations, such as connecting multiple computers to a router, setting up a wireless network, and sharing folders and printers on the local network. Basic network troubleshooting and security options are also covered.
Transmission media
Transmission media can be either guided or unguided. Guided media uses cables to transmit data along a fixed path and includes twisted pair cables, coaxial cables, and fiber optic cables. Unguided media transmits data through open spaces and includes radio waves, microwaves, infrared, Bluetooth, and satellites.
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This document discusses mobile computing and wireless communication systems. It covers topics like mobile handsets, wireless standards, WLANs, Bluetooth, and the components and architecture of mobile telecommunication systems. The key components of a wireless system are transmitters, receivers, antennas, filters, and amplifiers. It also describes the functions of these components and how they work together to transmit and receive signals. The architecture uses cellular networks with base stations that communicate via radio frequencies with mobile devices within hexagonal cells. The core network interconnects the base stations and switches to other networks like PSTN.
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This document provides an overview of basic computer networks and connectivity. It defines key terms like bandwidth, bits per second, and connection types. It explains how to connect devices to a home network using Ethernet cables, WiFi, or broadband services. It also covers topics like IP addressing, domain name registration, and policies governing internet use. The document serves as a high-level introduction to computer networking concepts.
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This document discusses computer networks and their components. It describes the principles of networking and different types of networks including local area networks (LANs), wide area networks (WANs), and wireless LANs. The document also discusses peer-to-peer and client/server network models, bandwidth, modes of data transmission, internet protocols, and physical network components like cables, hubs, switches, and routers.
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This document discusses different types of computer networks. It defines computer networking as the engineering discipline concerned with communication between computer systems or devices. It then describes several common network types including local area networks (LANs), wide area networks (WANs), metropolitan area networks (MANs), campus area networks (CANs), personal area networks (PANs), and global area networks (GANs). Each network type is defined based on the geographical area it covers and examples of each are provided.
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The document discusses the uses and advantages of computer networks. It describes how networks allow users to share hardware devices, software programs, data, and information. Specifically, networks enable sharing of printers, access to files stored on other computers, and use of centralized software programs. The key advantages of networks listed are easy access to information, improved productivity through collaboration, sharing of resources to reduce costs, ability to work remotely, increased security, high reliability, and simpler backups.
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A computer network is defined as the interconnection of two or more computers. It is done to enable the computers to communicate and share available resources.
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Classification by their geographical area
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This document provides an overview of computer networks. It discusses what a computer network is, types of networks including LAN, MAN and WAN, network topologies such as bus, ring and star, and differences between topologies. Local area networks connect devices within a small physical area like a home or office building. Metropolitan area networks connect devices within a city. Wide area networks connect devices over large distances like countries. Topologies determine how devices are physically connected on a network. [END SUMMARY]
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This document discusses different types of internet connectivity. It describes gateway access, dial-up connection, leased connection, DSL, cable modem connection, and VSAT. Gateway access provides limited internet access through a local network. Dial-up uses modems to connect over phone lines. Leased connections offer dedicated, high-speed access. DSL and cable modems utilize existing phone and cable infrastructure. VSAT uses small satellite terminals for connectivity.
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This document introduces four main types of computer networks: local area networks (LANs), metropolitan area networks (MANs), wide area networks (WANs), and personal area networks (PANs). LANs connect devices within a limited geographic area like a home or office building. MANs are larger than LANs and extend across a city. WANs are the largest type, spanning cities, countries, or intercontinental distances like the Internet. PANs are very small networks that connect devices near one person within about 10 meters.
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Networking involves connecting two or more computers or electronic devices to share information. The main advantages of networking are the ability to share files, hardware, websites and programs between devices. The main disadvantages include the risk of the entire system crashing if the network server fails and potential slowdowns from high network usage. Common network types are LANs which connect devices in a local area like a home or office, and WANs which connect multiple LANs over a wider area. Key networking hardware includes servers to store and share information, workstations to access the server, and switches, routers and other devices to facilitate communication between devices on the network.
Wireless networks
The document summarizes the four generations of wireless networks:
1G referred to the first generation of analog wireless networks introduced in the 1980s, allowing mobile phone calls within one country. 2G introduced digital networks in the 1990s using GSM, allowing SMS text messaging. 3G networks from the late 1990s to present provide faster data speeds up to 2Mbps, enabling internet access on mobile phones. 4G and beyond provide even higher speeds for mobile computing and networking capabilities.
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communication devices
Sanchit Sharma presented a seminar on communication devices. The document discussed the history of communication dating back to 3200 BC, and outlined some key communication devices such as modems, routers, hubs, switches and mobile phones. It described that a modem modulates and demodulates signals to transmit digital data over phone lines or wirelessly. Routers make forwarding decisions based on IP addresses, while hubs and switches connect devices but switches make routing decisions based on hardware addresses. Mobile phones allow calling, texting and have additional features like cameras and web browsing. Bridges and repeaters were also discussed as connecting or boosting signals between networks.
Computer networking
This file is about the networking system. All the theory and pictures of Networking with complete detail. Like and share it
Thank you so much for your Kindness
#Faisal Shahzad Khan
Computer network updated
Computer networks allow for communication between connected computing devices via transmission media and communication devices. They can be categorized based on their size, coverage area, architecture, topology and protocols used. Local area networks connect devices within a limited geographic area like a home or office using physical wired connections. Metropolitan area networks span a larger city or region by connecting multiple LANs. Wide area networks have a global reach like the internet using transmission methods like fiber optic, microwave or satellite. Computer networks provide benefits of information and resource sharing between connected devices.
Communication over networks by anam younas
Here is a note on Dialup modem and DSL internet connection:
Dialup modem uses a telephone line to connect to the internet through an internet service provider (ISP). It works by converting digital data from the computer into analog signals that can be transmitted over telephone lines. At the other end, the receiving modem converts these analog signals back into digital data. However, dialup connection provides slower internet speeds of up to 56 kbps.
DSL internet connection uses the existing telephone lines to provide faster broadband internet access at speeds ranging from 1-50Mbps, depending on the technology used. A DSL modem is required which is usually installed by the telephone company. It separates the high frequency DSL data signals from
Communication & network devices
Computer communication involves the transfer of data, instructions, and information between sending and receiving devices using communication channels. It requires a sending device, receiving device, and transmission medium to connect them. Common computer communication methods include email, voice mail, fax, telecommuting, videoconferencing, and the Internet. Devices like modems, cables, routers, and switches facilitate communication over different network topologies.
unit 1PPT.pptx
This document discusses networking concepts including network hardware, software, and reference models. It describes different types of networks like LAN, WAN, MAN, wireless networks, and home networks. It discusses network hardware components and network software including protocol hierarchies, design issues for layers, connection-oriented and connectionless services, and service primitives. The document also compares the OSI and TCP/IP reference models, describing the layers in each model and their functions.
COMPUTER NETWORKs.pptx
A computer network connects computing devices like phones and servers to transmit and share information. There are different types of networks based on geographical scale: local area networks (LAN) within a building; personal area networks (PAN) within 10 meters of a person; metropolitan area networks (MAN) connecting LANs across a city; and wide area networks (WAN) extending across large areas like states or countries. The Internet is one of the largest WANs used globally for business, education, and communication between organizations.
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communication devices
The document discusses communication devices presented in a seminar by Sanchit Sharma. It provides background on the history of communication, beginning with human voice and early writing systems. Various communication devices are defined, including modems, routers, hubs, switches, mobile phones, and bridges. For each device type, a brief description of its function is given. The seminar covered advantages and disadvantages of communication devices as well as the roles of different networking components in digital communication.
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The document provides an overview of computer networking basics, including definitions of common networking terms like Ethernet, switches, routers, and IP addresses. It also describes typical home networking setups and configurations, such as connecting multiple computers to a router, setting up a wireless network, and sharing folders and printers on the local network. Basic network troubleshooting and security options are also covered.
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Transmission media can be either guided or unguided. Guided media uses cables to transmit data along a fixed path and includes twisted pair cables, coaxial cables, and fiber optic cables. Unguided media transmits data through open spaces and includes radio waves, microwaves, infrared, Bluetooth, and satellites.
Mobile computing 1
This document discusses mobile computing and wireless communication systems. It covers topics like mobile handsets, wireless standards, WLANs, Bluetooth, and the components and architecture of mobile telecommunication systems. The key components of a wireless system are transmitters, receivers, antennas, filters, and amplifiers. It also describes the functions of these components and how they work together to transmit and receive signals. The architecture uses cellular networks with base stations that communicate via radio frequencies with mobile devices within hexagonal cells. The core network interconnects the base stations and switches to other networks like PSTN.
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This document provides an overview of basic computer networks and connectivity. It defines key terms like bandwidth, bits per second, and connection types. It explains how to connect devices to a home network using Ethernet cables, WiFi, or broadband services. It also covers topics like IP addressing, domain name registration, and policies governing internet use. The document serves as a high-level introduction to computer networking concepts.
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This document discusses computer networks and their components. It describes the principles of networking and different types of networks including local area networks (LANs), wide area networks (WANs), and wireless LANs. The document also discusses peer-to-peer and client/server network models, bandwidth, modes of data transmission, internet protocols, and physical network components like cables, hubs, switches, and routers.
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This document discusses different types of computer networks. It defines computer networking as the engineering discipline concerned with communication between computer systems or devices. It then describes several common network types including local area networks (LANs), wide area networks (WANs), metropolitan area networks (MANs), campus area networks (CANs), personal area networks (PANs), and global area networks (GANs). Each network type is defined based on the geographical area it covers and examples of each are provided.
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The document discusses the uses and advantages of computer networks. It describes how networks allow users to share hardware devices, software programs, data, and information. Specifically, networks enable sharing of printers, access to files stored on other computers, and use of centralized software programs. The key advantages of networks listed are easy access to information, improved productivity through collaboration, sharing of resources to reduce costs, ability to work remotely, increased security, high reliability, and simpler backups.
Introduction to computer network
A computer network is defined as the interconnection of two or more computers. It is done to enable the computers to communicate and share available resources.
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Disadvantages of computer network
Classification by their geographical area
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This document provides an overview of computer networks. It discusses what a computer network is, types of networks including LAN, MAN and WAN, network topologies such as bus, ring and star, and differences between topologies. Local area networks connect devices within a small physical area like a home or office building. Metropolitan area networks connect devices within a city. Wide area networks connect devices over large distances like countries. Topologies determine how devices are physically connected on a network. [END SUMMARY]
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This document discusses different types of internet connectivity. It describes gateway access, dial-up connection, leased connection, DSL, cable modem connection, and VSAT. Gateway access provides limited internet access through a local network. Dial-up uses modems to connect over phone lines. Leased connections offer dedicated, high-speed access. DSL and cable modems utilize existing phone and cable infrastructure. VSAT uses small satellite terminals for connectivity.
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This document introduces four main types of computer networks: local area networks (LANs), metropolitan area networks (MANs), wide area networks (WANs), and personal area networks (PANs). LANs connect devices within a limited geographic area like a home or office building. MANs are larger than LANs and extend across a city. WANs are the largest type, spanning cities, countries, or intercontinental distances like the Internet. PANs are very small networks that connect devices near one person within about 10 meters.
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Networking involves connecting two or more computers or electronic devices to share information. The main advantages of networking are the ability to share files, hardware, websites and programs between devices. The main disadvantages include the risk of the entire system crashing if the network server fails and potential slowdowns from high network usage. Common network types are LANs which connect devices in a local area like a home or office, and WANs which connect multiple LANs over a wider area. Key networking hardware includes servers to store and share information, workstations to access the server, and switches, routers and other devices to facilitate communication between devices on the network.
Wireless networks
The document summarizes the four generations of wireless networks:
1G referred to the first generation of analog wireless networks introduced in the 1980s, allowing mobile phone calls within one country. 2G introduced digital networks in the 1990s using GSM, allowing SMS text messaging. 3G networks from the late 1990s to present provide faster data speeds up to 2Mbps, enabling internet access on mobile phones. 4G and beyond provide even higher speeds for mobile computing and networking capabilities.
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A home network connects devices in a home to share internet access and files. It uses communication lines like cables or WiFi. A router establishes the wireless network that devices connect to wirelessly or via cables. Setting up a home network involves connecting the router to the internet, configuring the router's wireless network name and password, and connecting devices to it either wirelessly or with cables. This allows sharing of an internet connection and files between devices in the home.
communication devices
Sanchit Sharma presented a seminar on communication devices. The document discussed the history of communication dating back to 3200 BC, and outlined some key communication devices such as modems, routers, hubs, switches and mobile phones. It described that a modem modulates and demodulates signals to transmit digital data over phone lines or wirelessly. Routers make forwarding decisions based on IP addresses, while hubs and switches connect devices but switches make routing decisions based on hardware addresses. Mobile phones allow calling, texting and have additional features like cameras and web browsing. Bridges and repeaters were also discussed as connecting or boosting signals between networks.
Computer networking
This file is about the networking system. All the theory and pictures of Networking with complete detail. Like and share it
Thank you so much for your Kindness
#Faisal Shahzad Khan
Computer network updated
Computer networks allow for communication between connected computing devices via transmission media and communication devices. They can be categorized based on their size, coverage area, architecture, topology and protocols used. Local area networks connect devices within a limited geographic area like a home or office using physical wired connections. Metropolitan area networks span a larger city or region by connecting multiple LANs. Wide area networks have a global reach like the internet using transmission methods like fiber optic, microwave or satellite. Computer networks provide benefits of information and resource sharing between connected devices.
Communication over networks by anam younas
Here is a note on Dialup modem and DSL internet connection:
Dialup modem uses a telephone line to connect to the internet through an internet service provider (ISP). It works by converting digital data from the computer into analog signals that can be transmitted over telephone lines. At the other end, the receiving modem converts these analog signals back into digital data. However, dialup connection provides slower internet speeds of up to 56 kbps.
DSL internet connection uses the existing telephone lines to provide faster broadband internet access at speeds ranging from 1-50Mbps, depending on the technology used. A DSL modem is required which is usually installed by the telephone company. It separates the high frequency DSL data signals from
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Computer communication involves the transfer of data, instructions, and information between sending and receiving devices using communication channels. It requires a sending device, receiving device, and transmission medium to connect them. Common computer communication methods include email, voice mail, fax, telecommuting, videoconferencing, and the Internet. Devices like modems, cables, routers, and switches facilitate communication over different network topologies.
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Similar to Network ppt 1
unit 1PPT.pptx
This document discusses networking concepts including network hardware, software, and reference models. It describes different types of networks like LAN, WAN, MAN, wireless networks, and home networks. It discusses network hardware components and network software including protocol hierarchies, design issues for layers, connection-oriented and connectionless services, and service primitives. The document also compares the OSI and TCP/IP reference models, describing the layers in each model and their functions.
COMPUTER NETWORKs.pptx
A computer network connects computing devices like phones and servers to transmit and share information. There are different types of networks based on geographical scale: local area networks (LAN) within a building; personal area networks (PAN) within 10 meters of a person; metropolitan area networks (MAN) connecting LANs across a city; and wide area networks (WAN) extending across large areas like states or countries. The Internet is one of the largest WANs used globally for business, education, and communication between organizations.
Types of-networks
There are several types of computer networks:
- Local area networks (LANs) connect devices within a small geographic area like a home or office using technologies like Ethernet or WiFi.
- Metropolitan area networks (MANs) span a larger area like a city using technologies like cable TV networks.
- Wide area networks (MANs) connect LANs over long distances using technologies like leased phone lines or satellites.
- Personal area networks (PANs) connect devices within a short range of an individual's body.
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There are several types of computer networks depending on their geographical reach: local area networks (LANs) which connect devices within a building or home; metropolitan area networks (MANs) which span a city or large campus; wide area networks (WANs) which connect LANs over long distances like countries or continents; and personal area networks (PANs) which connect devices within a few meters of an individual. LANs use twisted pair cable or WiFi to link devices for resource sharing at speeds up to 10 Gbps, while MANs and WANs transmit data over phone lines or wireless links to connect larger regions. PANs allow communication between devices in close proximity, either directly or through a larger network
Computer network
A computer network allows computing devices to exchange data through connections between nodes. There are different types of networks classified by geographic reach: local area networks (LANs) within a building or home; metropolitan area networks (MANs) spanning a city or campus; wide area networks (WANs) across countries or continents like the Internet; and personal area networks (PANs) communicating among devices within a few meters. LANs enable resource sharing and are fast but require wiring, while WANs can transmit data over long distances but are more expensive to install and maintain.
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There are several types of computer networks depending on their geographical reach: local area networks (LANs) which span a small area like a home or building, metropolitan area networks (MANs) which connect devices within a city or campus, wide area networks (WANs) which connect LANs over large distances like countries or continents, and personal area networks (PANs) for connecting devices within a few meters of an individual.
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This document defines and describes different types of computer networks. It discusses Local Area Networks (LANs) that connect devices within a building using cables or wireless technology. Metropolitan Area Networks (MANs) span a larger area like a city using higher speed connections. Wide Area Networks (WANs) connect LANs over long distances using technologies like the internet. Personal Area Networks (PANs) wirelessly connect devices within a few meters of an individual.
Types of computer network
There are several types of computer networks:
- Local area networks (LANs) connect devices within a small geographic area like a home or office using technologies like Ethernet or WiFi.
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Lecture 1
A computer network connects computing devices through communication channels to facilitate sharing of resources and information among users. There are different types of networks including local area networks (LANs) which connect devices within a small geographic area like a building, wide area networks (WANs) that connect LANs across large areas like cities and countries, and metropolitan area networks (MANs) that connect devices within a larger area than a LAN but smaller than a WAN, such as within a city. Networks allow users to communicate, share hardware and software resources, and access information.
Computer networking and its different types
Computer networking is the practice of connecting multiple devices to share resources and communicate with each other. It involves the use of various hardware and software components to facilitate data transmission and exchange between computers, servers, routers, switches, and other network devices.At its core, computer networking enables the sharing of information, files, and resources such as printers and internet connections among interconnected devices. This connectivity allows users to collaborate, access remote resources, and communicate in real-time, whether within a local area network (LAN), wide area network (WAN), or the internet.The foundation of computer networking lies in the establishment of protocols and standards that govern how data is transmitted and received across the network. Protocols such as TCP/IP (Transmission Control Protocol/Internet Protocol) define rules for addressing, routing, and error detection to ensure reliable and efficient communication between devices.Networking hardware plays a crucial role in facilitating connectivity and data transmission within a network. Devices such as routers, switches, hubs, and access points serve as the infrastructure that enables devices to connect and communicate with each other. Routers, for example, manage data traffic between different networks, while switches facilitate communication within a single network by directing data packets to their intended destinations.In addition to hardware components, networking relies heavily on software solutions to manage and control network operations. Network operating systems (NOS) provide the necessary software infrastructure for configuring and managing network devices, implementing security measures, and monitoring network performance. Examples of popular NOS include Cisco IOS, Juniper Junos, and Microsoft Windows Server.Security is a critical aspect of computer networking, given the potential risks associated with unauthorized access, data breaches, and cyberattacks. Network security measures such as firewalls, encryption, virtual private networks (VPNs), and intrusion detection systems (IDS) help safeguard network resources and sensitive information from malicious threats.Computer networking encompasses a wide range of technologies and methodologies, including wired and wireless networking, cloud computing, virtualization, and software-defined networking (SDN). Wired networking utilizes physical cables such as Ethernet or fiber optic cables to establish connections between devices, while wireless networking relies on radio waves to transmit data over the air.Cloud computing and virtualization technologies have revolutionized the way networks are deployed and managed, allowing organizations to leverage shared resources and scale their infrastructure dynamically. Software-defined networking (SDN) is another emerging paradigm that centralizes network control and management through software-based controllers, enabling greater flexibility,
Types of computer networks
This document discusses different types of computer networks. It describes local area networks (LANs) which connect devices within a building or home, metropolitan area networks (MANs) that span a larger area like a city, and wide area networks (WANs) that connect LANs over long distances, sometimes worldwide. It also discusses personal area networks (PANs) used to connect devices in close proximity, within a few meters of an individual. LANs can use either wired or wireless connections and common standards help ensure compatibility. While networks provide benefits like resource sharing, there are also costs to installing and maintaining them.
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The document discusses different types of computer networks. It describes local area networks (LANs) that connect devices within a home or office using cables or wireless connections. Metropolitan area networks (MANs) span a larger region like a city using higher speed connections. Wide area networks (WANs) connect LANs over long distances using technologies like phone lines or satellites. Personal area networks (PANs) communicate among devices near an individual's body within a range of a few meters.
Types of Computer Network
This document discusses the four main types of computer networks: local area networks (LANs), personal area networks (PANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small area like a building using technologies like Ethernet. PANs connect personal devices within 30 feet of an individual. MANs interconnect multiple LANs within a larger area like a city using technologies like Frame Relay. WANs extend over large geographical areas like states or countries using technologies like fiber optic cables and satellites.
Typesofcomputer 130403035730-phpapp02
This document defines and describes different types of computer networks. It discusses local area networks (LANs) that connect devices within a building using cables or wirelessly, metropolitan area networks (MANs) that span a larger area like a city using technologies like DSL, and wide area networks (WANs) that connect LANs over long distances using technologies like fiber optics or satellites. It also covers personal area networks (PANs) used to connect devices in close proximity, within a few meters of an individual.
Lan, man and wan ppt final
A computer network connects autonomous computers that can exchange information. A local area network (LAN) connects computers within a small geographic area like a building using technologies like Ethernet. A metropolitan area network (MAN) extends across a city using technologies like fiber optics. A wide area network (WAN) connects computers across large geographic areas like countries using technologies like leased lines.
Computer networks.pptx
A computer network is a group of interconnected devices, such as computers, servers, routers, switches, and other network-enabled devices, that communicate and share resources with each other. Computer networks can be categorized into two types, namely, local area network (LAN) and wide area network (WAN).
3 lan man wan
This document discusses different types of networks:
- Local Area Networks (LANs) connect devices within a small geographic area like a building using cables and have high speeds up to 100 Mbps.
- Metropolitan Area Networks (MANs) extend across a city using both cables and wireless technology with ranges up to 100 km.
- Wide Area Networks (WANs) connect multiple cities, countries, or continents over long distances using technologies like fiber optics, satellites, and microwaves.
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It deals with the definition of network, its types, different networking devices, different network architecture, network topology and switching techniques.
Computer Networks: Evolution of Computer Networks.pptx
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Computer Networks: Evolution of Computer Networks.pptx
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Network ppt 1
- 1. TYPES OF NETWORK Presented To: Sir Sajid Presented By: Faiza Afzal ;17471507-105 Anum Khalid ;17471507-120
- 2. COMPUTER NETWORK •A network consists of two or more computers that are linked in order to share resources, exchange files or allow electronic communications. •The computers on a network may be linked through cables, telephones lines, radio waves, satellites or infrared light beams.
- 3. TYPES OF COMPUTER NETWORK Computer networks are categorized according to: i. How they are organized physically. ii. The way they are used. iii. The distance over which they are operate.
- 4. CONTINUE…. Different types of computer network are: a. LAN – Local Area Network b. WAN – Wide Area Network c. MAN – Metropolitan Area Network d. PAN – Personal Area Network
- 5. LOCAL AREA NETWORK •It covers a small area. •It usually connects the computers and other devices within one office or a building or group of buildings. •Its transmission speed is typically 10 Mbps to 1000 Mbps.
- 7. WIDE AREA NETWORK •It covers a large area. •It connects computers and other devices in different cities and countries. •It consists of several LANs connected together. •Its transmission rate is typically 56 Kbps to 50 Mbps.
- 9. METROPOLITAN AREA NETWORK •It covers an area of a city. •It is usually used to connect two or more LANs in a city or town. •It provides higher data speed than LAN.
- 11. PERSONAL AREA NETWORK •It connects personal devices using wired and wireless technology. •These personal devices are typically located within range of about 30 feet.