What is the relationship between a signal’s spectrum and its bandwidth. What is attenuation? Define channel capacity. What key factors affect channel capacity? Problems: Figure 1 shows the frequency domain function for a single square pulse. The signal pulse could represent a digital 1 in a communications system. Note that an infinite number of higher frequencies of decreasing magnitudes is needed to represent the single pulse. What implication does that have for a real digital transmission
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Databases and Data Communication BIS 320 September 16‚ 2013 Lisa Ricks Databases and Data Communication Databases are great when you want to create a model of data such as numbers for figuring out how much you can spend on a new home when you are in the buying marketing‚ you can use excel to figure out how much you can spend and a monthly payment. You can also use a database to track of shipping components from a trade show that you are in charge of. You can use a database to organize
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Introduction Data communications (Datacom) is the engineering discipline concerned with communication between the computers. It is defined as a subset of telecommunication involving the transmission of data to and from computers and components of computer systems. More specifically data communication is transmitted via mediums such as wires‚ coaxial cables‚ fiber optics‚ or radiated electromagnetic waves such as broadcast radio‚ infrared light‚ microwaves‚ and satellites. Data Communications = Movement
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Mini Mini Case‚ page 145: 1. How does Ben´s age affect his decision to get an MBA ? Ben’s age has a big impact on his decision to get an MBA. He already worked about 5 years at Dewey and Leweys and he earns the complete salary as an employee. Now it is up to him whether to invest in a higher degree in order to earn more money in the future or to keep his current job and invest his money in other things. It can be a hard decision for a person who already worked 5 years because in these one
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MANAGEMENT COMMUNICATION IN TRANSITION CHAPTER 1 Communication is the work of managers‚ day in and day out. I. The daily work of managers. A. Managers are in constant action. 1. Switch frequently from task to task. 2. Change their focus of attention to respond to issues as they arise. 3. Engage in a large volume of tasks of short duration. B. Managers spend most of their time interacting with others. 1. Engage in interactions both inside and outside the organization
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Mini Cases in Movement Disorders Mona Dalzon Case 1 Kenny Kenny is a teenager who has experienced uncontrollable bodily and facial movements‚ various uncontrolled vocalizations‚ and other compulsions such as excessive hand washing and wringing. He has been treated with Clonidine‚ Haldol‚ pimozide and buspirone. This patient was diagnosed with Tourette’s Syndrome. Clonidine is a vasodilator that allows for blood to flow more easily to the brain. This lowers blood pressure and helps treat the tics
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Mini-Case 1: Belmont State Bank – Chapter 11 Risk Assessment Belmont State Bank‚ with their current computer system is virtually wide open for an attack from external or internal sources because of their password requirements. That is the first thing that jumped out when reading the scenario. This is probably the easiest type of password there is to crack. And if not the easiest‚ it is certainly one of the easiest. It would probably take less than one minute for even an inexperienced hacker
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02. Compare and contrast between the bus and star topology. A network architecture in which a set of clients are connected by a shared communications line‚ called as a bus. A network consists of one central switch‚ hub or computer which acts as a conduit to transmit messages‚ called as a star. Bus networks are the simplest way to connect multiple clients‚ but often have problems when two clients want to transmit at the same time on the same bus. The star topology is a computer
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MC; 6pages of short answers Review – labs • • Travel over the internet; TCP/UDP is from end to end‚ IP is in the middle‚ between hops o Write email – this is data o Data is sent to the transport layer and is SEGMENTED‚ adds s/d PORT # and sequence number o Network layer turns these into packets with s/d ip address o Data link layer turns these into frames with s/d mac address for default gateway o Frames go to switch and switch checks source mac and learns it if it doesn’t o Switch
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Mini-Case 1. How can you create theme areas that will also promote future sales for the hotel (such as food and beverages‚ rooms‚ conventions‚ etc)? According to the case‚ this hotel adopted some Hollywood theme areas such as the Wizard of Oz and Gone with the wind. Therefore the food and beverages should match these types of theme. For example‚ manager could names food and beverage related to the theme or use some fantasy tableware cater for the customers. The reason is the customer want enjoy
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