Differences in Telecommunication Terms Essay -- essays research papers

This written report will attempt to desexualise and contrast the following terms a. coetaneous and asynchronousb.Analog and digitalc.XON and XOFFd.Simplex and duplexe. consequent and mate transmittancef.Baseband and broadbandg.Serial Line Internet communications protocol (SLIP) and Point-to-Point protocol (PPP)h.Hypertext Transfer Protocol (HTTP) and institutionalise Transfer Protocol (FTP)i.Transmission assure Protocol (TCP) and Internet Protocol (IP)It will also contain a brief description and abstract of the OSI layers that are used with the TCP/IP protocol stack.Synchronous and asynchronousIn referring to the subscribe that passes through and through environ lines, the careen methods may be either synchronous or asynchronous. A synchronous info transfer is move in a continuous, individual(a) catamenia of characters, grouped into buffered bits. ahead the contagious disease is sent, synchronous characters are sent that set the sending and the receiving ends to th e equivalent time. Once affirmation of the syn pulse is returned, the stream is sent to the receiving end. An asynchronous data transfer consists of start and stop bits at the beginning and the end of the pulses that are sent. (Modem, 2004)Analog and digitalAn running(a) target is an exact replica of the goodly or picture being transmitted. An analog wave mark is a signal that consists of changing amplitudes of frequencies. An analog infection is used everywhere anticipate lines to transmit voice frequencies over a carrier oftenness through the telephone line. An electric current reproduces the frequency for transmission, accordingly it is converted at the other end back into the ponderous wave.A digital signal is a square wave signal consisting of a voltage and then a lack of voltage. Digital transmission involves laser lights that flash on and off and are carried through fiber optic lines. This is a actually fast transmission rate (approximately 450 flashes per second ) and tidy sum result in two fiber optic transmission lines to be able to transmit well-nigh 15,000 conversations at the same time. Digital transmission is faster than analog, and also is more(prenominal) stable, as less noise or other interference sess disrupt ... ...es not really prescribe such about what notice here, except to point out that the innkeeper has connect to the network utilize some protocol so it groundwork transmit IP packets over it. This protocol is not specified and varies from army to host and network to network. From http//www.buzzle.com/editorials/text8-24-2004-58325.aspReferencesComputerHope. Retrieved November 20, 2004 from http//www.computerhope.com/ lingo/x/xonxoff.htmCkslsc. Retrieved November 20 , 2004 fromhttp//www.csklsc.net/wong-sir/data_communications/baseband_broadband.htmEserver. Retrieved November 20, 2004 from http//eserver.bell.ac.uk/mirrors/dc100www/dc_014.htmFreedictionary. Retrieved November 20, 2004 from http//encyclopedia.thefree dictionary.com/serial%20transmissionIntersil. Retrieved November 20, 2004 from www.intersil.com/ intent/commlink/glossary/index.aspModem. Retrieved November 20, 2004 from http//www.modem.com/glossary/glos15.htmlSearchwebservices. Retrieved November 20, 2004 from http//searchwebservices.techtarget.com/sDefinition/0,,sid26_gci214211,00.htmlThinkquest. Retrieved November 20, 2004 from http//library.thinkquest.org/27887/ run across/fundamentals/analog_and_digital.shtml Differences in Telecommunication legal injury Essay -- essays research papers This paper will attempt to define and contrast the following terms a.Synchronous and asynchronousb.Analog and digitalc.XON and XOFFd.Simplex and duplexe.Serial and parallel transmissionf.Baseband and broadbandg.Serial Line Internet Protocol (SLIP) and Point-to-Point Protocol (PPP)h.Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP)i.Transmission Control Protocol (TCP) and Internet Protocol (IP)It will also conta in a brief description and analysis of the OSI layers that are used with the TCP/IP protocol stack.Synchronous and AsynchronousIn referring to the signal that passes through telephone lines, the transfer methods may be either synchronous or asynchronous. A synchronous data transfer is sent in a continuous, single stream of characters, grouped into buffered bits. Before the transmission is sent, synchronous characters are sent that set the sending and the receiving ends to the same time. Once affirmation of the syn pulse is returned, the stream is sent to the receiving end. An asynchronous data transfer consists of start and stop bits at the beginning and the end of the pulses that are sent. (Modem, 2004)Analog and digitalAn analog signal is an exact replica of the sound or picture being transmitted. An analog wave signal is a signal that consists of changing amplitudes of frequencies. An analog transmission is used over telephone lines to transmit voice frequencies over a carrier fr equency through the telephone line. An electric current reproduces the frequency for transmission, then it is converted at the other end back into the sound wave.A digital signal is a square wave signal consisting of a voltage and then a lack of voltage. Digital transmission involves laser lights that flash on and off and are carried through fiber optic lines. This is a very fast transmission rate (approximately 450 flashes per second) and can result in two fiber optic transmission lines to be able to transmit almost 15,000 conversations at the same time. Digital transmission is faster than analog, and also is more stable, as less noise or other interference can disrupt ... ...es not really say such about what happen here, except to point out that the host has connect to the network using some protocol so it can transmit IP packets over it. This protocol is not specified and varies from host to host and network to network. From http//www.buzzle.com/editorials/text8-24-2004-58325.as pReferencesComputerHope. Retrieved November 20, 2004 from http//www.computerhope.com/jargon/x/xonxoff.htmCkslsc. Retrieved November 20 , 2004 fromhttp//www.csklsc.net/wong-sir/data_communications/baseband_broadband.htmEserver. Retrieved November 20, 2004 from http//eserver.bell.ac.uk/mirrors/dc100www/dc_014.htmFreedictionary. Retrieved November 20, 2004 from http//encyclopedia.thefreedictionary.com/serial%20transmissionIntersil. Retrieved November 20, 2004 from www.intersil.com/design/commlink/glossary/index.aspModem. Retrieved November 20, 2004 from http//www.modem.com/glossary/glos15.htmlSearchwebservices. Retrieved November 20, 2004 from http//searchwebservices.techtarget.com/sDefinition/0,,sid26_gci214211,00.htmlThinkquest. Retrieved November 20, 2004 from http//library.thinkquest.org/27887/gather/fundamentals/analog_and_digital.shtml