TYPES OF NETWORKING A computer network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet. Network devices that originate‚ route and terminate the data are called network nodes.[1] Nodes can include hosts such as servers and personal computers‚ as well as networking hardware. Two devices are said to be networked
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to plastic bottles after we throw them away? An interesting fact about plastic fabric or fleece is that it is a man-made fabric created from polyester fibers‚ which are created from recycled plastic soda bottles. The fibers are twisted into yarn‚ which is woven or twisted into fabric. Fleece is used to make blankets‚ throws‚ and clothing. My favorite craft project is to make a no sew tie blanket out of fleece fabric. Although I do not attempt many craft projects‚ this is one I can handle. I would
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Chapter 4: Nucleic Acids and the RNA World 1. 4.1 – What is a Nucleic Acid? * Nucleic acids are made up of monomers called nucleotides * Three components of a nucleotide: 1. Phosphate group—attached to the 5’ carbon 2. Sugar – carbonyl group and several hydroxyl groups 3. Nitrogenous base * The prime (‘) symbols indicate the carbon being is part of the sugar—not attached to the nitrogenous base. * Four different nucleotides‚ each of which contains a different nitrogenous
Free DNA RNA
Software technology is required. What is communication channel? Name the basic type of communication channels available. Communication channels mean the connecting cables that link various workstations. There are 3 basic types of cables: 1. Twisted Pair cables 2. Coaxial cables 3. Fiber-optic cables What is MAC address? A Media Access Control address (MAC address) is a unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification‚
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3. Describe three types of guided media. Three types of guided media are fiber-optic cable which uses high-speed streams of light pulses from lasers or LEDS‚ coaxial cable copper-core with a cylindrical shell for insulation‚ and twisted-pair wire insulated pairs of wires that can be packed closely together. 6. Clearly explain the differences among analog data‚ analog
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providing the instructions required to build one or more proteins. The DNA molecule resembles a twisted ladder‚ with pairs of nucleotides forming the ladder’s rungs. As a rule‚ adenine always pairs with thymine and cytosine with guanine. When a cell requires a particular protein‚ an activation signal stimulates the release of an enzyme called RNA polymerase‚ which causes the DNA to "unzip" between nucleotide pairs in the region of the appropriate gene. As the RNA polymerase molecule moves along one of the
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backbone‚ or segment (Goleniewski‚ 2007). There are many different departments in the hospital: Administration‚ Radiology‚ RIS data center‚ and OR/ICU. The network structure for the entire hospital is 1000 BaseT with all station connect using twisted pair concept. Individual sections of departmental networks use different standards‚ such as 1000 BaseF (Apollo‚ 2013). Network Characteristics & Components The IT data center houses the hospital HIS system. There are three servers in the data center:
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DCN VIVA QUESTIONS 1. What do you mean by data communication? Ans: It is the exchange of data between two devices via some form of transmission medium such as wire cable. The communicating system must be part of a communication system made up of a combination of hardware and software. The effectiveness of a data communication system depends on three fundamental characteristics: delivery‚ accuracy and timeliness. 2. What is simplex? Ans: It is the mode of communication between two devices in which
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theoretical advantages over the stochastic CSMA/CD of Ethernet. Physically‚ a token ring network is wired as a star‚ with ’hubs’ and arms out to each station and the loop going out-and-back through each. Cabling is generally IBM "Type-1" shielded twisted pair‚ with unique hermaphroditic connectors‚ commonly referred to as IBM data connectors. The connectors have the disadvantage of being quite bulky‚ requiring at least 3 x 3 cm panel space‚ and being relatively fragile. Initially (in 1985) token ring
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Table of Content iv About the Company 1. Introduction to Networking Definition Requirement of Networking 2. Types of Network LAN (Local Area Network) WAN (Wide Area Network) 3. Network Models OSI Model 4. Cables Twisted Cable Coaxial Cable Fibre Optic 5. Networking Devices Network Interface Card Hub Switch Router 6. IP Addressing Introduction Private IP Masking Subnetting Example 7. LAN Solution Requirement Solution Specification
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