EC51-DIGITAL COMMUNICATION UNIT-1 DIGITAL COMMUNICATION SYSTEM 1. What are the advantages of digital transmission? The advantage of digital transmission over analog transmission is noise immunity. Digital pulses are less susceptible than analog signals to variations caused by noise. Digital signals are better suited to processing and multiplexing than analog signals. Digital transmission systems are more noise resistant than the analog transmission systems. Digital systems are better suited to evaluate
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Digital Communication Training Kit.1 Mohammad Sharawi and Husam Abu-Ajwah Electronics Engineering Princess Sumaya University College for Technology (Royal Scientific Society) Amman–Jordan August 1999 1 c 2000 by Mohammad Sharawi and Husam Abu-Ajwah All rights Reserved. No part of this report is to be copied‚ reproduced‚ or distributed in anyway‚ without written consent of the Author. Contact: msharawi@go.com.jo or husamsamir@hotmail.com 1 To our Moms‚ and Dads. Abstract
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OUTPUT DEVICES Output devices are things we use to get information OUT of a computer. Here are some examples of output devices:- Monitor George Doyle/Stockbyte/Getty Images The most common computer output device is the monitor or computer screen. Monitors create a visual display from processed data that users can view. They come in a variety of screen sizes and visual resolutions. There are two types of computer monitors‚ CRT and flat panel. CRT monitors use phosphorescent dots to create the
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4 P’s of Samsung smartphone: What made it possible for Samsung to beat Apple in smartphone sales? Almost three years before‚ during a press conference a question has been asked to Aamir Khan “If you are a number one actor in Bollywood‚ then why don’t you endorse number one brand in mobiles” Aamir replied “Samsung is not a number one brand at this stage but it will become soon”. Everyone laughed to the answer and probably they were right. Who would have been thought that in the crowd of many superior
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men; and 2) there has been a great decline in the stigma attached to single motherhood. The article also describes interesting demographic differences in this trend. Among mothers of all ages‚ 59 percent of births still occur within marriage‚ so the trend toward single motherhood is happening mostly in younger women. There are also huge racial and ethnic differences in this trend. While only 29% of all white births are to single mothers‚ the figure is 53% for Latinos and 73% for blacks.
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to the issue of single parenting as one of the important family dilemmas. A single parent is a parent who lives with one or more children without the assistance of a second parent. Usually the definition of single parenting depends on the local law‚ but there are other cases as well‚ for example if a parent is left alone after the divorce‚ after another parent just leaves the family or the child ‚ or if the second parent is put in jail or is dead. It is not necessary that the single parent is naturally
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Frontline published a video titled "Digital Nation" that looked into the world if technology. The video was published in 2010‚ a time where generation X was diving deeper and deeper into online interaction and digital media. Various arguments‚ facts‚ and opinions were shared between professors‚ professionals‚ and other interviewees. I took the time to analyze and elaborate upon my four favorite segments. The following will highlight my opinions toward some of the Digital Nation video segments. My most
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Smartphone Addiction As the days continue on and years pass by‚ technology is advancing at a rapid pace‚ smartphones especially. But are smartphones beginning to corrupt individuals? Abby Reid‚ a current teenage owner of a smartphone‚ was my first interviewee. Owning her phone for about two years now‚ Reid has become very tech-savvy when it comes to her iPhone. The main apps she uses on her phone are texting and social media. Kendall Lynott was the second interviewed teenager. As well as Reid‚ Lynott
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Technology is becoming more and more important in all aspects of people’ lives nowadays‚ namely access to computers and internet. It is believed that technology will guide businesses in the 21st century. However‚ it is argued that it would be nonsense to strongly rely on computer when in fact‚ for the big portion of population‚ access to computer and internet is not a reality. The main purpose of this essay is to outline the advantage and disadvantages of improving the digital divide by firstly address all
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INPUT DEVICES 1. Where does the name QWERTY keyboard come from ? The name QWERTY comes from the first six letters on the top row of the alphabet keys. 2. Why do think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy way of usage and when you get used to it you start typing faster 3. Who might make use of a concept keyboard? A concept keyboard might be used by a fast food restaurant
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