DATA COMMUNICATION (Basics of data communication‚ OSI layers.) K.K.DHUPAR SDE (NP-II) ALTTC ALTTC/NP/KKD/Data Communication 1 Data Communications History • 1838: Samuel Morse & Alfred Veil Invent Morse Code Telegraph System • 1876: Alexander Graham Bell invented Telephone • 1910:Howard Krum developed Start/Stop Synchronisation ALTTC/NP/KKD/Data Communication 2 History of Computing • 1930: Development of ASCII Transmission Code • 1945: Allied Governments develop the First Large Computer
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Case Study Italian retailer Unicomm selects Huawei RH5885 V2 server for its SAP HANA database and S7700 and S5700 switches. Huawei’s SAP HANA application came about as a result of a successful switching project and helps Unicomm to analyse sales data in real time. “With the SAP HANA solution‚ we needed a partner that was ready to support us in every way possible. By helping us to stay in budget and to adopt a system that could grow in line with company requirements‚ Huawei really delivered.” Federico
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More than Meets the Eye In his novel‚ Eye for an Eye‚ William Miller traces the origins of justice in talionic societies. In order to explain how these talionic societies began to use currency‚ Miller cites Aristotle’s philosophical novel‚ Nicomachean Ethics. Aristotle believes that currency comes out of a need and that need keeps society together‚ while Miller believes that the types of currency evolved to fit the changing requirements of society. Miller traces the evolution of currency in talionic
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the words of the characters become more important than what the audience sees because the diction of the words emphasizes the strong mood and feelings amongst the characters. The strong words of the characters present a dramatic impact on the audience and its readers. Cornwall says‚ “Bind fast his corky arms.” Cornwall uses the words corky because Gloucester is an aging man and his skin is old and withered. His words convey animosity towards Gloucester which condones his actual actions. Regan and
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Money in today’s world is that gem which can get one to their salvation but the greed that it brings upon one is vary dangerous. To use money in the wisest way would be the greatest deed. Education on the other hand‚ provides moral knowledge to people‚ which help them to learn from their past and act well in the present and future. It helps them control the greed and abstains them from trampling. But nothing in this immoral world is free‚ like wise even education always come at a cost. The better
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Representing Data During the past few lessons you have looked at ways of collecting and representing data. You will now put all of your knowledge together to complete these questions. Question 1: The information shown displays the colour of 30 cars in the school car park. Complete the tally chart below. Car Colour | Tally | Frequency (Total) | Green | | | Grey | | | Yellow | | | Red | | | Black | | | Blue | | | White | | | Question 2: Using your Frequency
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1 SYSTEM OVERVIEW The application that is to be developed will enable user to get exact result for their query. The query is related to a particular location and a destination in the location. The application ensures that the user gets only what is being looking for and no any misleading link and unnecessary results are generated. The application allows the user to open a new account with a unique name and pass word. Once account is being created the account name and password will
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What Is A Data Dictionary? Per the IBM Dictionary of Computing‚ a data dictionary is a "centralized repository of information about data such as meaning‚ relationships to other data‚ origin‚ usage‚ and format." Essentially‚ it is documentation or data about data in a file or database‚ also called metadata. Typical Items In A Data Dictionary For each field or column in a database table‚ describe the following elements: Item Contents File/Table Name The name of the file or table where
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Residuals Date: _____________________ Introduction The fit of a linear function to a set of data can be assessed by analyzing__________________. A residual is the vertical distance between an observed data value and an estimated data value on a line of best fit. Representing residuals on a___________________________ provides a visual representation of the residuals for a set of data. A residual plot contains the points: (x‚ residual for x). A random residual plot‚ with both
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|Case Study: Data for Sale | |Management Information System | | | |
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