Wednesday, December 11, 2019
Databases and Information Systems Management Systems
Question: Discuss about the Databases and Information Systems for Management Systems? Answer: a: The system is expected to identify the students who are under risk of being withdrawn from the school due to poor academic performance rather than completing their course of studies. Hence, the system must record and process the following data, (Gorman, 2014) Personal records of the students, including their names, date of births, address, contact details and so on. Details of the courses enrolled by the student. Like course name, course fees, starting date, duration and so on. Details of the performance of the students in the enrolled courses. For example, credits achieved, results and so on. Weekly progress details for each enrolled course, in terms of term results, attendance and attentiveness, timely delivery of assignments and so on. It will also include details of the assignments, final project of each course and for each student enrolled in a course. b: The sources of the student, course and the performance data can be fetched from the other information systems and from different feedback forms filled by instructors, student record files from the university, performance tracking system and so on (Haav Kalja, 2013). c: The logical database design is, References: Gillenson, M. L. (2011). Fundamentals of Database Management Systems. John Wiley Sons. Gorman, M. M. (2014). Database Management Systems. Butterworth-Heinemann. Haav, H.-M., Kalja, A. (2013). Databases and Information Systems II. Springer . Silberschatz, A., Korth, H. F., Sudarshan, S. (2011). Database System Concepts (6th ed.). McGraw-Hill.
Tuesday, December 3, 2019
Mark Twain Essays (439 words) - Fiction, Literature,
Mark Twain Pseudonym of Samuel Langhorne Clemens (1835-1910), American writer and humorist, whose best work is characterized by broad, often irreverent humor or biting social satire. Twain's writing is also known for realism of place and language, memorable characters, and hatred of hypocrisy and oppression. Born in Florida, Missouri, Clemens moved with his family to Hannibal, Missouri, a port on the Mississippi River, when he was four years old. In 1851 he began setting type for and contributing sketches to his brother Orion's Hannibal Journal. Later, Clemens was a steamboat pilot on the Mississippi River until the American Civil War (1861-1865). In 1862 he became a reporter on the Territorial Enterprise in Virginia City, Nevada, and in 1863 he began signing his articles with the pseudonym Mark Twain, a Mississippi River phrase meaning two fathoms deep. In 1865 Twain published The Celebrated Jumping Frog of Calaveras County and within months the author and the story had become national sensations. Much of Twain's best work was written in the 1870s and 1880s. The Adventures of Tom Sawyer (1876) celebrates boyhood in a town on the Mississippi River; The Prince and the Pauper (1882), a children's book, focuses on switched identities in Tudor England; and A Connecticut Yankee in King Arthur's Court (1889) satirizes oppression in feudal England (see Feudalism). One of Twain's most significant works of the 1890s and 1900s is Pudd'nhead Wilson (1894), a novel set in the South before the Civil War that criticizes racism by focusing on mistaken racial identities. The Adventures of Huckleberry Finn (1884), the sequel to Tom Sawyer, is considered Twain's masterpiece. The book is the story of the title character, known as Huck, a boy who flees his father by rafting down the Mississippi River with a runaway slave, Jim. Huckleberry Finn is especially noted for its authentic language. Twain's skill in capturing the rhythms of life along the Mississippi River before the Civil War helps make the book one of the masterpieces of American literature. Twain's work was inspired by the unconventional West, and the popularity of his work marked the end of the domination of American literature by New England writers. He portrayed uniquely American subjects in a humorous and colloquial, yet poetic, language. His success in creating this plain but evocative language precipitated the end of American reverence for British and European culture and for the more formal language associated with those traditions. His adherence to American themes, settings, and language set him apart from many other novelists of the day and had a powerful effect on such later American writers as Ernest Hemingway and William Faulkner. English Essays
Wednesday, November 27, 2019
Villain, Where Art Thou Essays - Characters In Romeo And Juliet
Villain, Where art thou? Ladies and Gentleman of the jury there is not a villain in the play, "Romeo and Juliet." As Northrop Frye states in his review, ". . . in this play there doesn't seem to be the clearly marked villain that we find in so many tragedies." (Frye 28) This paper presents the facts that prove beyond a shadow of a doubt that Frye's assertion is correct because the definition of a villain is a wicked or vile person. Mercutio, the nurse, Tybalt, and Romeo like a red herring seem like villains and could trick careless readers into believing that they are villains. Mercutio's wit overshadows his violent side. "O calm, dishonorable, vile submission! Alla stoca carries it away. Tybalt, you ratcatcher, will you walk?" (Shakespeare Act 3. Sc. 1. Ln. 74-76) This quote shows that Mercutio becomes so disgusted with Romeo that he challenges Tybalt in a duel. A villain acts with wickedness, Mercutio however, acts with honor because he would rather die then disgrace the Montague name. The nurse, can be thought of as Juliet's evil conscious tempting her as can be seen in this quote. The nurse says, ". . . I think it best you married with the County. O, he's a lovely gentleman! Romeo's a dishclout to him." (Shakespeare Act 3 sc. 5. Ln. 230-232) This quote shows the immorality and bad judgement the nurse uses to tell Juliet to forget her present husband and get married again. One has to remember though, that the nurse is of a lower social class and she thinks she has Juliet best Sayer 2 interest in mind. Therefore, Mercutio and the nurse are not villains and the examination moves to Tybalt. Tybalt while having problems is a genuinely good man. Tybalt writes a letter to Romeo challenging him in a fight, because Romeo came uninvited to the Capulet party. This action shows Tybalt's hatred for all Montagues. The fact that he thinks Romeo should die for crashing a party is extreme. Tybalt should have listened to his uncle and forgotten about the party altogether, however, he grew up probably seeing events like this happening so responds in kind. "What, drawn and talk of peace? I hate the word As I hate hell, all Montagues, and thee. Have at thee, coward!" (Shakespeare Act 1 sc.1. Ln. 71-73) Tybalt is a hardened warrior and what he does best is fight. This is not villainous, since he grew up fighting, and he does it for honor. The final analysis has to be of Romeo as he kills two people and then takes his own life. Is the hero also a villain; no. Romeo kills Tybalt. Romeo is so filled with rage because of Mercutio's death that he does anything to kill Tybalt. One has to point out though that it is Tybalt who finds Romeo and starts fighting again. Romeo also kills Paris. Yes, this a violent crime but in no way is it pre meditated or even wanted. Romeo is seeking his "dead" wife Juliet at the tomb, when Paris appears. Romeo also gives Paris a warning and tells him to leave. Examination is complete. There is nothing left to do but rest the case because it has been proven that there is no villain in this play. Even though Mercutio, the nurse, Tybalt, and Romeo might seem like villains they are not. Some might say the feud is the villain and this is almost true because it lives off death and hurts everything and everyone. The only problem is that the feud is not a person. The Montagues and Capulets can end the feud any time they are willing to put there differences aside.
Saturday, November 23, 2019
Essay about forward and future
Essay about forward and future Essay about forward and future Futures and Forward: Basics ïÆ' ¼ ïÆ' ¼ ïÆ' ¼ ïÆ' ¼ Payoff Market Mechanics What drives the gains from trade? Reading: Ch. 2 What is a Derivative? Definition: A derivative is a financial instrument (contracts) whose value is based on the value of other underlying assets Type of Contract Underlying Assets Forward/ Future Investment Asset Options Commodity Swap Stock Price Interest Rate Exchange Rate â⬠¦.. Energy: gas, Oil Corn Weather derivatives â⬠¦. Road Map Payoff Type of Contract Underlying Assets Forward / Future Investment Asset Options Commodity Strategy Swap Pricing Fin330_Chang 3 Plans for Forwards/Futures ï ¬ Basics ï ¬ ï ¬ ï ¬ ï ¬ Hedging Strategies (Ch.3) ï ¬ ï ¬ ï ¬ Payoff and mechanics of Forward and Futures (Ch.2) What drives the gains from trade? Presentation 1: OTC vs. Centralized market How to hedge properly as a firm/trader? Presentation 2 : the use of derivatives Pricing ï ¬ ï ¬ Interest rates basics (Ch. 4) Arbitrage pricing (Ch. 5) Fin330_Chang 4 How Big Is the Derivative Market? Source: Bank of International Settlements (www.bis.org) Fin330_Chang 5 Forward Contracts ï ¬ Definition: a binding agreement (obligation) to buy/sell an underlying asset at a predetermined date in the future, at a price set today ï ¬ A forward contract specifies ï ¬ ï ¬ ï ¬ The features and quantity of the asset to be delivered The ââ¬Å"expiration dateâ⬠The price the buyer will pay at the time of delivery: ââ¬Å"the forward priceâ⬠Agreement 0 Fin330_Chang Settlement/Delivery T time 6 Features of Forward Contracts ï ¬ Features of Forward Contracts ï ¬ ï ¬ ï ¬ ï ¬ ï ¬ Customized Non-standard and traded over the counter (not on exchanges) No money changes hands until maturity Non-trivial counterparty risk Futures contracts are the same as forwards in principle except for some institutional and pricing differences. Fin330_Chang 7 Notation ï ¬ ï ¬ ï ¬ ï ¬ S0: Spot price at time 0 ST: Spot price at time T F0: Forward/Futures price at time 0 T: Time until delivery date (in years) Fin330_Chang 8 Payoff on Forward Contracts ï ¬ The payoff on a forward contract is its value at expiration. ï ¬ Payoff on a long position = Spot price at expiration ââ¬â Forward price = ST ââ¬â F0 ï ¬ Payoff on a short position = Forward price ââ¬â Spot price at expiration = F 0ââ¬â S T Fin330_Chang 9 Payoff on Forward Contracts ï ¬ The payoff on a forward contract is its value at expiration. ï ¬ ï ¬ Fin330_Chang Agrees to buy the asset at time T Payoff on a long position = Spot price at expiration ââ¬â Forward price = ST ââ¬â F0 (Pay F0 and get something worth ST) Agrees to sell the asset at time T Payoff on a short position = Forward price ââ¬â Spot price at expiration = F 0 ââ¬â ST (Get F0 for something worth ST) 10 At expiration Payoff Diagrams Long Position: Payoff = Spot ââ¬â Original Futures Price = ST ââ¬â F0 (at expiration) ST Fin330_Chang Short Position: Payoff = Original Futures Price - Spot = F0 ââ¬â ST (at expiration) ST 11 Cash Settlement ï ¬ ï ¬ An alternative settlement procedure Instead of requiring delivery of the asset, two parties make a net cash payment, which yields the same cash flow as if delivery had occurred ï ¬ Why? ï ¬ ï ¬ A physical transaction likely have transaction costs Example: The stock index ST=$1040 ; F0 =$1020 ï ¬ Fin330_Chang Net payment $20 from the short position to the long 12 Example: Gold-diggers A gold-mining firm enters a short forward contract, agreeing to sell gold at a price of $850/oz. in 1 year ï ¬ What is the payoff on this short forward position? ï ¬ Fin330_Chang ST 13 Questions ï ¬ Why entering this contract? ï ¬ Who might want to take the long position of this contract? Fin330_Chang 14 Why entering this contract?
Thursday, November 21, 2019
Strategic Plan of Wobbly Wheels Essay Example | Topics and Well Written Essays - 500 words - 60
Strategic Plan of Wobbly Wheels - Essay Example The aim of this planning process deals with the recognition and comprehension of people, technology and the needs of the customers. This is connected to the customerââ¬â¢s feedbacks which are used to bring new and existing services. The intended agenda of the planning development is to create a vision for technology at Wobbly Wheels Company through the evaluation of feedback from the customers in order to identify new services and make improvements to the existing services (Wallace 23). In addition, the company ought to take an initiative to compare itself with other transporting companies. While the company is connecting itself to transportation industry trends as well as system categories and state level priorities and categories. The company routinely checks and evaluates the priorities of Wobbly Wheels. The strategic feature of the planning method ascertains that technical aspects are planned, chosen, and controlled at a transportation level that is sustainable for people and resources to ensure ongoing delivery of services. For the purpose of coming up with an efficient process of deciding and prioritizing customerââ¬â¢s technology needs, Wobbly Wheels has established an office that concentrates on planning and distributing new technology (Wallace, 32). This office is controlled by the office of technology committee that gives the prioritization and strategies for technology initiatives in the company. Wobbly Wheels Company ought to deploy IT information that will provide tangible measurements that will benefit Wobbly Wheels customers and their employees. Improved network services, enabled software service and modern information security tools are being dispatched. Recent technologies that allow access to information in the company remains to be of high priority (Wallace 45). As explained in this plan Wobbly Wheels company is ready to remain a technologically advanced company through their goals.Ã
Wednesday, November 20, 2019
Personal consumption journal Assignment Example | Topics and Well Written Essays - 750 words
Personal consumption journal - Assignment Example I also use much carbon footprint and if I choose energy efficient appliances, walk, use bikes or take public transit where possible, use greener electricity that is electricity generated by wind/solar for a smaller rate surcharge it will reduce (Bishop, p 12). If I can obtain most of my food from local farmers markets, gardens, cooperatives and other local and fresh sources for all my food since they havenââ¬â¢t travelled long distances to reach me and therefore no loss of energy in transportation , choose food with less packaging to reduce waste, eat food chains going meat less for just a week and make a difference in consumer estimation since it contributes much to emission of green gas hence global warming it would reduce much my food footprint to a level lower than 9.57gha as compared to the countryââ¬â¢s average which is 9.58 gha . My goods and services footprint is also higher than the countryââ¬â¢s average and this is because I frequently replace belongings even if they are in good conditions, this can be reduced by replacing only when thereââ¬â¢s need to, also I should select items labeled as recycled, natural/organic when buying new clothes and paper products and this would reduce the amount much, recycle my aluminum, glass and plastic, compost food waste for the garden. I think my foot print is too much as compared to an individual living in a less developed part of the world since am more exposed to factors leading to this .This changes the way I view my way of living and am so willing to change by adopting sustainable practices that reduce my footprint while building our economy. This I will also do by encouraging my friends and my community and to do the same. In one week I threw used one used newspaper paper, two glass soda bottles, one aluminum can, three plastic bottles, two plastic tins, three plastic bags, food scraps, leaves, animal manure and five old clothes. Am surprised I threw so much that could be composted and recycled! Throwing
Sunday, November 17, 2019
Colonial reflection Essay Example | Topics and Well Written Essays - 1000 words
Colonial reflection - Essay Example Branch argues that colonial expansion was key to the formation of territorial states by presenting theorization of the interaction between colonies and metro-poles and highlights the significance of ideas and practices of political authority and structure. Branch asserts that sovereign statehood and the practices of international relations had their origin or were influenced by Europe by building upon many theories. Some of the theories that support this argument include historical sociology regarding the origin of European statehood that argues that European state system is exclusively internal to the European continent. Branch is right in his argument because European expansion of colonial powers and the competition among different forms of European rule ended up in sovereign state since every rule wanted to control at least a territory they conquered. The objective of the colonialists was to exercise their power in the places they conquered and this favored well the system of sovereign state. I concur with Branch that system of sovereign state spread to different parts of the world because of direct colonial imposition and imitation thus implying that practices and ideas of the modern states originated from colonial world. Practices that were used during the colonial period have been reflected in the modern states even though they were adopted as a conscious response to the perceived novelty of extra-European expansion. However, this argument has been challenged in many ways such as the need to incorporate extra-European dynamics in arguing the case and the challenges that may be faced in applying the European experience to other parts of the world. It can be argued that European influence in state building cannot be ignored because Europe greatly dominated the world and therefore it was easy for them to impose either directly or indirectly their own ideas of state building. Process of colonial reflection
Subscribe to:
Posts (Atom)