EX-03 CHAPTER 3- Exercises Solutions 1. Baseband transmission means sending a digital or an analog signal without modulation using a low-pass channel. Broadband transmission means modulating a digital or an analog signal using a band-pass channel. 2. Optical signals have very high frequencies. A high frequency means a short wavelength because the wavelength is inversely proportional to the frequency ( = c/f)‚ where c is the propagation speed in the media. 3. The frequency domain of a voice signal
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topology. Diagram of tree topology. Page 4: Hardware and software required. Communications mediums and protocols. Page 5: Advantages and disadvantages for staff. Page6: Advantages and disadvantages for learners. Social and ethical implications. Page7: Security of network. Bibliography. Diagram of a Tree topology layout: About a Tree topology: Tree Topology Tree topologies integrate multiple
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Applying Information Security and SDLC to Business Anthony Goss‚ James Leehan‚ Nicole Rossano‚ Roxie Carter BIS 320 September 1‚ 2014 Cynthia Pryke Applying Information Security and SDLC to Business There are several things a manager has to consider when running a business. He or she must ensure that the company does what it needs to meet the needs of the customer‚ the employees‚ and protect all personal information. One way is to ensure that there are proper security measures to protect all
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Bringing Phones to School In my opinion I don’t think students should be able to use cell phones on school property. It’s very inappropriate for school. School is a place to learn not a place to use electronics and be able to socialize with other people outside of school. Cellphones in school may cause distracted students‚ cheating and privacy issues. Why can’t they wait until school is? There’s nothing more important than getting an education all the other not so important things
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Counter argument Do you know that social networking as facebook doesn’t always make us sad and gloomy? As a new study based on virility of emotions between friends shows that positive emotions have stronger spreading power on facebook than negative ones. In the article "can facebook make you sad "written by "Justin Mullins" he discussed the idea that facebook make us sad and lonely. He also described the idea that facebook has changed the world and life completely. Although the author mentioned
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System development life cycle is a process for developing an information system. The SDLC is a structural framework of six stages used to build an information system that will address the businesses needs. There are several different tools‚ and methods used in conjunction with the systems development such as‚ prototyping‚ rapid application development‚ and joint application design will supplement the SDLC (Rainer & Cegielski‚ 2011). The first tool we will explore
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is a simple “yes”. Three brothers buried their mother about a month ago and were faced with the challenge of running a household‚ with a debt of more than $10000 to be payed off. Their mother who had suffered with two brain aneurisms had left no life insurance or money in the bank when she died. Their dad had passed away six years ago after battling with a mental health issues. Jarrod (19)‚ the oldest of the three brothers‚ has pledged to take care of his brothers. After broadcasting their
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would be to revive the auto-sustainable systems used by the Islamic architecture’s traditional design. Besides‚ its intricate ornamental beauty‚ forms‚ shapes and space creation is prodigious and nowadays generations deserve to enjoy living in it as a life definer rather than a forgotten past. Moreover‚ the influence it could impact the general public along with its reflection on people’s intuition can be having a positive impact on the society‚ introducing the friendly and family warmth in the middle
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I believe that in this way social media poses as more than a simple distraction. As fun as commenting on your grandmother’s cat photos can be‚ there is no real value to the string of 10- to 15-second comments or updates are generally meaningless. Unless you are getting involved in a meaningful substantive dialogue (as opposed to pokes and likes)‚ the time spent on a social network doesn’t add to your life. Social media is supposed to bring people together online to share information. In practice
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Abstract The usage of social networking sites by the people today has increased tremendously intrigued by the convenience of technologies be it children or elders. The connection between social networking sites and how it affects an individual’s daily routine has been investigated during this research. Twenty (20) International Medical University students consisting of 10 males and 10 females majoring from various health science programs were given a copy of the questionnaire. Participants filled
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