This means that the transmission of data can be sent or received to a device and never the other way around. Radio broadcasting and communicating with a printer is an example of such communication‚ where the communication medium is used for one-way communication.m Duplex Duplex
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Chapter 1: data communications‚ data networks‚ and the internet TRUE OR FALSE T F 1. Data communications deals with the transmission of signals in a reliable and efficient manner. T F 2. There are several fundamental differences between data processing and data communications. T F 3. There are no fundamental differences among data‚ voice‚ and video communications. T F 4. Effective and efficient data communication and networking facilities are vital to
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Theory Introduction- In this report I will be writing about Signal Theory and all of its aspects‚ this involves talking about how data is transferred over a network‚ what a packet is and what information it contains‚ asynchronous and synchronous transmission‚ errors that data may encounter and what protocols are in place to avoid this from happening. Digital Signalling Methods- When data is sent over a network‚ it can either be through a wired or a wireless technology. The data is sent over a
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contains the engine‚ transmission‚ and driveshaft. The name Boss 302 was given by Ford because they used a 302 ci engine in the Mustang. The engine placed in the Boss 302 was given a little bit extra. Ford gave the engine a four valve carburetor to help the engine produce 290 horsepower and 290 foot pounds of torque. The transmission is another key component in the drivetrain. The transmission’s main purpose is to shift the gears and keep the engine’s RPMs low. The car’s transmission is powered by
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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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and regulations that govern how data is to be transmitted across a network. It defines the regulations regarding software as well as hardware. To enable two/more devices to communicate‚ they must follow the same protocol - an agreed format for transmission of data between devices. The protocol determines things such as: Type of error checking to be used‚ data compression methods‚ etc. Packet A network packet is the fundamental component of transmitting data over a network. All data being transferred
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ABSTRACT Gi-Fi will helps to push wireless communications to faster drive. For many years cables ruled the world. Optical fibers played a dominant role for its higher bit rates and faster transmission. But the installation of cables caused a greater difficulty and thus led to wireless access. The foremost of this is Bluetooth which can cover 9-10mts. Wi-Fi followed it having coverage area of 91mts. No doubt‚ introduction of Wi-Fi wireless networks has proved a revolutionary solution to “last
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of signal transmission. Frequently‚ however‚ data must be sent beyond the local circuitry that constitutes a computer. In many cases‚ the distances involved may be enormous. Unfortunately‚ as the distance between the source of a message and its destination increases‚ accurate transmission becomes increasingly difficult. This results from the electrical distortion of signals traveling through long conductors‚ and from noise added to the signal as it propagates through a transmission medium. Although
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difference between a circuit and a channel is basically the way that it is utilized. A channel is a portion of the circuit that is used to transmit a single voice or data signal‚ which can be either a 4 kHz signal in analog transmission or 64 Kb/s signal in digital transmission (Thakur‚ n.d.). Many channels together can also be contained within a circuit found in WAN technology
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Ericsson South Africa Rev A 10 September 2003 1 SATNAC 2003 Agenda • • • • What is EDGE? Implementing EDGE Network and transmission planning The live experience … Rev A Rev A 10 September 2003 2 SATNAC 2003 1 SATNAC 2003 10 September 2003 Agenda • • • • What is EDGE? Implementing EDGE Network and transmission planning The live experience … Rev A 10 September 2003 3 SATNAC 2003 The Abbreviation GPRS = General Packet Radio System
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