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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You may like to keep in mind… As you are all excited to visit your Sitara‚ you may cover the following areas when you meet them: • Understand the academic strengths and areas of improvement of the Sitara. Use the observations from the earlier mentors as a guide. • Depending on their standard‚ each Sitara appears for different competitive exam. Encourage and guide the Sitara to appear for these exams. • Help the Sitara to develop effective study habits and time management as a preparation
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The final draft Essay Improvement of the Road safety A car accident is part of a list of problems on the road. Car accidents can happen to drivers anytime‚ anywhere‚ and even with those who are careful. This essay will deal with the road safety problem. I will discuss about main causes of the car accidents‚ and possible solutions for this problem. Now let’s look at the problem more closely. Every year the number of car accidents increase‚ due to increasing the number of cars on the road.
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BE CONSIDERED BY RESEARCHERS WHEN DEFINING THE DATA REQUIRED FOR THEIR RESEARCH Data are materials or information gathered during the process of making inquiry about problems. “Data of whatever form do not just appear or lie around waiting to be causally picked up by some passing researcher but have to be given form and shape in other to quantify as data; made relevant in a word to a research problem” (Ackryod and Hughes‚ 1992). In other words‚ data are systematically collected groups of information
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1 Define data mining. Why are there many different names and definitions for data mining? Data mining is the process through which previously unknown patterns in data were discovered. Another definition would be “a process that uses statistical‚ mathematical‚ artificial intelligence‚ and machine learning techniques to extract and identify useful information and subsequent knowledge from large databases.” This includes most types of automated data analysis. A third definition: Data mining is the
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Process Improvement: Operations Improvement Plan Jordan Barnes MBA 6022 I. Process Identification Background of The Issue In the 1960’s Toyota linked together quality‚ customer satisfaction‚ and profit. These became pillars for Toyota’s foundation and the company’s baseline for growth and expansion. In 2009‚ the company’s recalls started with what was deemed a floor mat issue. “Over the next four months‚ the company recalled 3.4 million more vehicles in three separate recalls over and above the
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| | Section II: Information This Performance Improvement Plan (PIP) is to inform the employee named above that his/her job performance fails to meet the minimum requirements of the position and to provide the employee with an opportunity to improve job performance in the specific areas described. If the employee fails to improve his/her job performance and/or to meet required standards by the specified time period
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When a person writes something‚ they should have something to say. It seems that you really won’t have anything to say unless you actually analyze your surroundings‚ and honestly the amount of things we have to observe is endless. A weakness that I have improved on throughout the semester is organization of my writing. A lot of the times I would know what to say…but just not how to say it in my writing. When you specifically talked to me about articulating my ideas better through speaking versus
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an era of big data‚ this data-driven world has the potential to improve the efficiencies of enterprises and improve the quality of our lives; however‚ there are a number of challenges that must be addressed to allow us to exploit the full potential of big data. This paper focuses on challenges faced by online retailers when making use of big data. With the provided examples of online retailers Amazon and eBay‚ this paper addressed the key challenges of big data analytics including data capture and
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Data Processing Data Processing is the term generally used to describe what was done by large mainframe computers from the late 1940’s until the early 1980’s (and which continues to be done in most large organizations to a greater or lesser extent even today): large volumes of raw transaction data fed into programs that update a master file‚ with fixed-format reports written to paper. Number System A numeral system (or system of numeration) is a writing system for expressing numbers‚ that is
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