essentially a special shift register that loads data in parallel and then shifts it out bit by bit at a specific rate. The receiver‚ on the other hand‚ shifts in data bit by bit and then reassembles the data. The serial line is ’ 1’ when it is idle. The transmission starts with a start bit‚ which is ’O’‚ followed by data bits and an optional parity bit‚ and ends with stop bits‚ which are ’1’. The number of data bits can be 6‚7‚ or 8. The optional parity bit is used for error detection. For odd parity‚ it is
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Contents Page No. Introduction…….………………………………………………………………………………..1 Chapter One: Data Cabling 1.1. Termination‚ testing and commissioning network...…..…2 1.2. Designing secure power supply systems ….……………………6 1.3. Hubs‚ Repeaters‚ Routers‚ Bridges and Servers..…………10 1.4. Structure of Routers‚ LANs and WANs……………….………...14 Chapter Two: Communication 2.1. Client Server and Peer to Peer Protocols………..….…….…18 2.2. Common BAS protocols……………………….….…………………….22 2.3. Identify
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source/destination network‚ before another terminal TE is connected. Bearer service comprises all services that enable transparent transmission of data between the interfaces to the network. Interfaces like U‚ S‚ and R in case of ISDN have not been defined for all networks‚ so it depends on the specific network which interface is used as a reference for transparent transmission of data. In classical GSM model‚ bearer services are connection oriented and circuit -or packet- switched. These services only
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communication media. Analog and Digital Data Transmission There are a number of differences between analog and digital transmission‚ and it is important to understand how conversions between analog and digital occur. Now with the digital age taking over‚ many people think that analog transmission methods are no longer used. This is a big misconception and certainly not true. To understand analog‚ let’s first look at this form of transmission. An analog wave form or analog signal is characterized
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in realtime applications including telephone voice and real-time video 3. List out some of the control functions of LAPF core Frame delimiting‚ alignment and transparency Frame multiplexing/demultiplexing using the address field Detection of transmission errors Congestion control functions 4. What is called a cell in ATM In ATM‚ the information flow on each logical connection is organized into fixed size packets called cells 5. What are the planes in protocol reference model User plane Control
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Fig. 2.1.1. Here there are five basic components: • Source: Source is where the data is originated. Typically it is a computer‚ but it can be any other electronic equipment such as telephone handset‚ video camera‚ etc‚ which can generate data for transmission to some destination. The data to be sent is represented by x(t). COMMUNICATION MEDIUM Figure 2.1.1 Simplified model of a data communication system • Transmitter: As data cannot be sent in its native form‚ it is necessary to convert it into
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Study‚ design‚ and fabrication of power amplifier module to be used for low-attitude radar system operating at UHF band (820MHz-900MHz) Long Hoang Duc* Duong Bach Gia University of Engineering and Technology‚ Hanoi VNU 144th Xuan Thuy road‚ Cau Giay Dist Hanoi‚ Vietnam (*) Corresponding author Email: longhd@vnu.edu.vn University of Engineering and Technology‚ Hanoi VNU 144th Xuan Thuy‚ Cau Giay Dist Hanoi‚ Vietnam Email: duongbg@vnu.edu.vn Abstract—In this paper‚ we introduces
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Society has become based solely on the ability to move large amounts of information across vast distances quickly. The natural evolution of computers and this need for ultra-fast communications has caused a global network of interconnected computers to develop. This global network allows a person to send E-mail across the world in mere fractions of a second‚ and enables even the common person to access information world-wide. With the new advancements in technology there must be a set of "rules"
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Zombie Survival Manual A virus has recently broken out that is spreading at an alarming rate. This virus inhabits humans and turns them into vicious‚ atrocious creatures that are hungry for human blood. These creatures threaten to take over the world. Here’s what you need to know to handle the zombie apocalypse. First of all‚ take every aspect of every zombie movie that you have ever watched. Now‚ throw it out the window. It’s not real. This is serious‚ and if you think you’re going to be some type
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operating at 433MHz. Our aim is to maximize the gain of the antenna and achieve impedance matching between load impedance and transmission line’s impedance. Among a wide range of different antennas‚ our group decide to build up a Yagi Uda antenna to fulfill this assignment for two main reasons. Firstly‚ the gain that Yagi Uda antenna provides is very high. Hence for transmission‚ Yagi Uda antenna makes sure all the transmitted wave to be directed to required area and for reception‚ it can receive maximum
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