Assignment No.1 Analysis and Design of Information System ( SAD) Course Code: CSE 312 Submission Date: 4th July 2013 Submitted To: Mr. Harsimran Singh Submitted By: Prabhjeet Singh 10810139 RST028A02 Q 1: Draw a DFD for Railway Reservation System. ANS:
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REVIEW OF RELATED LITERATURE The researcher has found the following studies and literature as relevant to the system being proposed. Records and information management (RIM) is the field of management responsible for the efficient and systematic control of the creation‚ receipt‚ maintenance‚ use‚ and disposition of records‚ including processes for capturing and maintaining evidence of and information about business activities and transactions in the form of records Recording is a vital part of all
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The Lymphatic System The Lymphatic System is very important. It helps with the Cardiovascular system‚ and our immune systems. The Lymphatic System is made up of two semi-independent parts. One is a network of lymphatic vessels. The other part is various lymphoid tissues and organs all over the body. The functions of the Lymphatic System transporting fluids that have escaped from the blood vascular system‚ and the organs house phagocytic cells and lymphocytes. Lymphatic vessels are an elaborate
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REPRODUCTIVE SYSTEM Reproductive System A system of sex organs within an organism which work together for the purpose of sexual reproduction. Many nonliving substances such as fluids‚ hormones‚ and pheromones are also important accessories to there productive system. Sexual reproduction produces new individuals - Gametes (sperm & egg) formed by testes and ovaries - Fertilization produces one cell (a zygote)with one set of chromosomes from each parent - Creates genetic variation . Gonads produce
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Neurons and nervous systems Communication around the body Neurons - the basic building blocks of the nervous system‚ soecialised to communicate info around the body Three different types of neurons sensory neurons (afferent) : transfer info from the body to the brain Motor neurons (efferent) : transmit info from brain to the body Interneurins : communication b/w sensory and motor neurons Structure communication with a neuron Communication within neurons is an electrochemical process
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The limbic system is a neural system located below the cerebral hemispheres of the brain. Three structures that are part of the limbic system are the hypothalamus‚ hippocampus‚ and the amygdala. These three structures work together as a whole making it feasible for the body to function properly. The hypothalamus is a small‚ but busiest part of the brain located just below the thalamus and is mainly concerned with homeostasis. It is an important link in the command chain governing bodily maintenance
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The Integumentary System I. Introduction My chosen organ system is the integumentary system. II. The Integumentary System’s function is to protect and support organs in the body hence this is why its largest organ is the Skin. a. The skin protects underlying tissue against harmful bacteria‚ it provides barriers against most chemicals‚ it also reduces the chance of injury due to mechanic equipment b. The skin also helps regulate body temperature. c. It regulates the body temperature
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control using statecharts Designing Boundary Classes Chapter 17 M8748 © Peter Lo 2007 1 Architecture of the Presentation Layer Aim to separate the classes that have the responsibility for the interface with the user‚ or with other systems (Boundary Classes) from the business classes (Entity classes) and the classes that handle the application logic (Control Classes). This is the Three-Tier Architecture. There may be more than three layers‚ and that the logical layers can map to
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Essay Title: Evaluate the importance of regular exercise in maintaining a healthy body and mind; to what extent should the state play a role in ensuring that its citizens exercise regularly? Refer to at least two countries in your answer. In recent years‚ the awareness of the importance of public health has increased significantly and maintaining a healthy body and mind is undoubtedly everyone’s daily wishes. Doing exercise is one of the ways to help people to fulfill their dreams as it can
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Circulatory systems move blood around an organism’s body. They are important for continued life of the cells‚ tissues and entire body of any organism. There are two types of circulatory systems. Open and Closed. An elephant is one of the largest land mammals on earth and therefor it has a large body with a large circulatory system. The circulatory system pumps blood through arteries‚ veins and capillaries. The blood transported around the body reaches organs to nourish cells. In return
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