IT 548 Telecommunications & Networking Local Area Networks Hood College Dept. of Computer Science Spring 2013 Layer 2: The Datalink Layer • • 2 Datalink layer provides a reliable communications link between devices. Breaks a data stream into chunks called frames‚ or cells. Three key functions: • error detection • error correction • flow control • • In LANs DL can be broken down into two sub-layers: • media access control (MAC) • logical link control (LLC). • flow and
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Functional areas Function Areas What are main activities for each Functional area Finance Producing invoices‚ checking payments are received and chasing up overdue payments Recording money received Checking and paying invoices received Preparing the payroll and paying staff salaries Monitoring departmental budgets to check managers are not overspending Issuing regular budget reports to all departmental managers Producing cash flow forecasts and regular financial reports for senior managers Advising
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Discuss the changes in rural areas and their impact on gender. Is modernization and development the answer? Poverty is highly found in rural areas where there is a lack of education‚ healthcare‚ limits access of choices‚ and numerous challenges for its habitants. A major cause of poverty among India’s rural people is the lack of access to productive assets and financial resources as well as high levels of illiteracy. According to International Fund for Agricultural Development (IFAD) women in
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Body Area Networks ∗ Arif Onder ISIKMAN∗ ‚ Loris Cazalon† ‚ Feiquan Chen‡ ‚ Peng Li§ Email: isikman@student.chalmers.se‚ † Email: loris.cazalon@telecom-bretagne.eu‚ ‡ Email: feiquan@student.chalmers.se‚ § Email: lpeng@student.chalmers.se Chalmers University of Technology‚ SE-412 96‚ Gothenburg‚ Sweden Abstract—Recent technologies in electronics allow to build wireless sensor networks in on or around the human body. Body Area Networks (BAN‚ is also called Body Sensor Networks) is not only used
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The purpose of this essay is to prove that Cold War had an enormous impact on society and institutions of US. This effect will be demonstrated on the basis of a few examples. First of all‚ I must mention Central Intelligence Agency which was created in 1947. CIA frequently support anticommunists in Europe inter alia in Greece. They attempt to deliver weapons and ammunition for fighters against socialists in the civil war. CIA tried also to uncover KGB activities in the USA. In the 50s agency had
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Walt Disney Impact On Modern Movies and Animation The impact that Walt Disney had on Modern movies and animation started in the early 1920s and still stands today. They started the company to fulfill children’s dream and even today they have that same goal. sww3 The company itself started from Walter Elias Disney. He was born in Chicago on December 5‚ 1901. He studied in Chicago and Kansas City‚ M.D. Disney left school at age of 16 to go achieve his dream. It’s important because he started producing
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Table of Contents Step 1: Plan of Investigation 1 Step 3: OPVL 1 Step 4: Investigation and Analysis 2 Step 5: Conclusion 3 Step 6: Bibliography 5 End Notes 7 Step 1: Plan of Investigation This investigation attempts to answer the question how technology impacted ancient Egypt. This question is relevant and important because Egypt’s ancient technology is important and should be understood. The issues that will be addressed are analyzing how this technology effected the Egypt’s ancient world
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think of the first president of the United States or maybe for the warrior he was and all the exciting things he did‚ but he is not the only George Washington to have left an impact on the American society. Many years down the line‚ another George Washington emerged known in Time magazine in 1941 as “black Leonardo”. Known as George Washington Carver‚ he was a man of many successes and did a lot in his lifetime and even battled the struggles of a black man in the 1900s Carver was an American agricultural
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his huge success during his career‚ his image and work are constantly repeated in people’s lives through his impersonators and music by various music artists. John Lennon said‚ “Before Elvis‚ there was nothing.” (Logan). Therefore‚ he had a huge impact for people’s way of life through his determination to succeed through rock and roll music‚ television experiences‚ and legacy that he left behind that has inspired others to follow his footsteps that still make him successful today.
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influential composers of all time. His life was marked by great struggles‚ from being harshly pushed by his father to learn music to struggling against going deaf in his later years. Although his music is over 200 years old‚ it still has significant impact today on german culture. It is believed that Beethoven was born in the church of St Remigius‚ Bonn. His birthday was never documented but is believed to be the 16th of December‚ 1770. His father pushed him brutally to learn music‚ with accounts
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