computer network
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This document discusses different types of computer networks and their uses. It describes personal area networks (PANs) which connect devices within 1-100 meters of a person. Local area networks (LANs) connect computers within a limited area like a home or office using Ethernet or Wi-Fi. Metropolitan area networks (MANs) span a larger geographical area like a city using technologies like FDDI and have transmission speeds between PAN/LAN and WAN. Wide area networks (WANs) connect locations over 50km using technologies like the Internet and have the lowest transmission speeds of all. Computer networks allow sharing of devices, files, software and accessing information remotely.
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Computer network
A computer network allows devices to connect and exchange data either through cables or wirelessly. Network nodes include devices that originate, route, and terminate data transmission like servers, personal computers, and networking hardware. Different types of computer networks exist like personal area networks for communication among nearby devices, local area networks for connecting devices within a home or office, and wide area networks for linking local and metropolitan networks across broad areas.
Computer Networking fundamentals
#network #types of network
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9 November 1877 – 21 April 1938) was a South Asian Muslim writer,[1][2] philosopher,[3] scholar and politician,[4] whose poetry in the Urdu language is considered among the greatest of the twentieth century,[5][6][7][8] and whose vision of a cultural and political ideal for the Muslims of British Raj[9] was to animate the impulse for Pakistan.[1][10] He is commonly referred to by the honorific Allama[11] (from Persian: علامہ, romanized: ʿallāma, lit. 'very knowing, most
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Types of network
This document defines and describes several types of computer networks:
- Local Area Networks (LANs) connect devices within a small geographic area like a home or office building. Metropolitan Area Networks (MANs) span larger areas like a city or campus. Wide Area Networks (WANs) can connect LANs over long distances, even worldwide.
- Personal Area Networks (PANs) connect devices in close proximity, within a few meters. Wireless Local Area Networks (WLANs) allow devices to connect within a LAN via wireless transmission. Storage Area Networks (SANs) provide block-level data storage access.
- Mobile ad hoc networks (MANETs) are infrastructure-less networks
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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
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computer network
- 1. - RITESH KUMAR SIL
- 2. Introduction to Computer Network Types of Computer Network Uses of Computer Network
- 3. A computer network is a cluster of computers over a shared communication path that works to share resources from one computer to another, provided by or located on the network nodes.
- 5. PAN is the most basic type of computer network. This network is restrained to a single person, that is, communication between the computer devices is centered only on an individual’s workspace. PAN offers a network range of 1 to 100 meters from person to device providing communication. Its transmission speed is very high with very easy maintenance and very low cost. Examples of PAN are USB, computer, phone, tablet, printer, PDA, etc.
- 7. LAN is the most frequently used network. A LAN is a computer network that connects computers through a common communication path, contained within a limited area, that is, locally. A LAN encompasses two or more computers connected over a server. The two important technologies involved in this network are Ethernet and Wi-fi. It ranges up to 2km & transmission speed is very high with easy maintenance and low cost. Examples of LAN are networking in a home, school, library, laboratory, college, office, etc.
- 9. A MAN is larger than a LAN but smaller than a WAN. This is the type of computer network that connects computers over a geographical distance through a shared communication path over a city, town, or metropolitan area. This network mainly uses FDDI, CDDI, and ATM as the technology with a range from 5km to 50km. Its transmission speed is average. It is difficult to maintain and it comes with a high cost. Examples of MAN are networking in towns, cities, a single large city, a large area within multiple buildings, etc.
- 11. WAN is a type of computer network that connects computers over a large geographical distance through a shared communication path. It is not restrained to a single location but extends over many locations. WAN can also be defined as a group of local area networks that communicate with each other with a range above 50km. Here we use Leased-Line & Dial-up technology. Its transmission speed is very low and it comes with very high maintenance and very high cost. The most common example of WAN is the Internet.
- 13. Communicating using email, video, instant messaging, etc. Sharing devices such as printers, scanners, etc. Sharing files. Sharing software and operating programs on remote systems. Allowing network users to easily access and maintain information.