A Cure for Cancer essays

A Cure for Cancer essays Over twenty different types of cancer have been found to exist in the world today. Cancer kills over thousands of people in the United States alone every year. The news constantly contains reports of the many different types of ways a human can get cancer. The main reasons one can get cancer are smoking, dietary factors, exercise, occupation, genetics, pollution, radiation, and even prescription drugs. Out of all the main causes of cancer obesity and smoking are the leading causes. Cancer affects a person when abnormal cells within a tissue of a certain part of the human body continue to divide out of control. Normal cells stop reproducing after about fifty cycles. Since many types of cancer exist, anyone at any age has a risk of being diagnosed. In an effort for people to speed up the process of finding a cure for cancer, people came up with urban legends and myths to preventing or getting rid of cancer. In the spring of 1999 many people began to believe that antiperspirants could cause cancer. The Canola oil, which is said to by scientists to be one of the healthier food oils, was also once rumored to be toxic and cancer causing. Many more rumors came about, but have all contributed in finding cures for cancer now. Whenever, a rumor about certain types of foods or activities circulates about causing cancer, a team of scientists, and doctors research the rumor in full extent. These scientists and doctors usually find that these rumors are false, but in some case add to the list of ways to prevent cancer. Numerous cancer experts now believe that the only real cure for cancer is taking as many steps possible to prevent it. One may wonder if cancer is a disease that travels through a family because of genes. The answer is that cancer will be more likely to occur in those who have close family members who have also had cancer. Breast and Ovarian cancer are the cancers that are most likely to be hereditary. A person...

How To Choose Building Plans - 10 Steps to Your Dream Home

How To Choose Building Plans - 10 Steps to Your Dream Home Whether you are building a new house or remodeling an older home, youll need plans to guide you through the project. Here are some tips to help you choose the best building plans for your needs. How to Choose the Right Building Plan Create a Spreadsheet of Needs. Talk with your family. Discuss what each of you wants. What are your needs now and what will your familys needs be in the future? Should you plan for future aging in place? Write it down.Observe. Look at how you live and where you spend most of your time in your house or apartment. Why spend the time and money to build or remodel? If its just because you like change, maybe no building plan will satisfy.Reflect on homes you have visited. What features did you especially enjoy? Look at the way other people live. Is that lifestyle really what you want?Consider the features of your land. Where is the sunlight best? Which direction offers the greatest views and the cooling breezes? Could remodeling capture a piece of nature overlooked by builders of another time?Select exterior finishing details with care. Know if youll be building in an historic district, which may restrict exterior modifications.Browse through building plan catalogs for ideas. You dont hav e to buy stock plans, but these books can help you visualize possibilities. Public libraries may have these popular books on their shelves. Use the webs search function offered by online directories of building plans. Houses from sites like Houseplans.com have often been designed as custom homes before being offered as stock plans. Some plans are specs (speculative) and many are often more interesting than plain vanilla catalog plans.Select a floor plan that most closely matches your ideal. Do you need adaptability? Perhaps you should consider a house without walls. Pritzker Prize-winning architect Shigeru Ban designed Naked House (2000) with movable interior modules - a unique solution that you wont find in a house plan catalog.Estimate your building costs. Your budget will determine many choices you make in the design of your home.Consider hiring an architect to personalize your building plan, or to create a custom design. What Comes First, the House or the Site? Architect William J. Hirsch, Jr. writes, Its a good idea to have a basic concept of what kind of house you want before selecting a site because the type of house will dictate to some extent the nature of the site that makes the most sense for you. Likewise, if you have your heart set on the land first, the house design should fit the site. It might take four months to build a house, but the planning could take years. Additional Tips Choose your floor plan first and your exterior faà §ade second. Most plans can be finished in nearly any architectural style.Its usually best to purchase your land before you select your building plan. The land establishes the amount of area and the type of terrain you have to build on. To build an energy-efficient structure, try to follow the sun as it crosses your lot. Pre-purchasing the land also helps you budget the rest of your project.Be sure to budget for landscaping and finishing touches.Listen actively. Reflect back what you hear when you talk with family members. You might be surprised to find out that your children or in-laws plan to live with you. Do You Have the Confidence? Jack Nicklaus (b. 1940) has been called the greatest professional golfer of all time. So, what does he know about design? Plenty. Nicklaus is said to have had an interesting strategy when he played profession sports - he competed against the golf course instead of other players. Nicklaus knew the ins and outs of all the courses he played - he figured out what he liked and what he didnt like about golf course design. And then, he formed a company. Nicklaus Design promotes itself as the worlds leading design firm. You have lived in the spaces chosen by your parents. Now its your turn to decide. Source Hirsch, William J. Designing Your Perfect House: Lessons from an Architect. Dalsimer Press, 2008, p. 121

MICROBIOLOGY Essay Example | Topics and Well Written Essays - 500 words

MICROBIOLOGY - Essay Example IgD: - IgD has a serum concentration of 30Â µg/ml and constitutes about 0.2% of total serum immunoglobulin. It is the major membrane bound immunoglobulin expressed by mature B – cells and is involved in the activation of B – cells by antigen. c. In immediate hypersensitivity antigen binds to IgE on mast cells and basophils. This cross linking leads to degranulation with the release of biologically active substances contained in the granules. 5. a. In the ouchterlony method both antigen and antibody diffuse radially from wells toward each other, thereby establishing a concentration gradient. As equivalence is reached, a visible line of precipitation forms. This simple technique is an effective qualitative tool for determining the relationship between antigens and the number of different Ag-Ab systems present. ELISA Test: - An enzyme conjugated to an antibody reacts with a colorless substrate to generate colored reaction product. Enzymes used include alkaline phosphates, horseradish peroxides. ELISA test is used to detect the presence of antibodies and antigen. RIA: - RIA is a competitive binding assay in which fixed amounts of antibody and radio labeled antigen react in presence of unlabelled antigen. The labeled and unlabelled antigens compete for limited binding sites on the antibody. After reaction, the antigen is separated into free and bound fractions and their radioactive counts measured. The concentration of the unlabelled (test) antigen can be calculated from the ratio of the bound and total antigen labels, using standard dose response curve. 6. It is difficult to develop a natural system of Bacterial Taxonomy using the traditional technique of Taxonomy because bacteria are generally very small and have simple shapes, and hence their classification by shape is not an easy task. The revolution in Genomics will affect Taxonomy because with the coming of

Catholic School 2000 Essay Example | Topics and Well Written Essays - 500 words

Catholic School 2000 - Essay Example he Catholic school to develop in the school community an atmosphere animated by a spirit of liberty and charity based on the Gospel.† (Flynn & Mok, 2000, p. 21) This formally states that Catholic schools must enrich the student lives in a religious as well as academic capacity. The authors go on to quote from several other documents, most of which have the same intention regarding the leadership role that Catholic schools must take in their educational focus of religious faith. They also cite a passage from the a statement from the Australian Bishops’ Conference published in 1975: The present document is offered as a contribution to the process by which the people of God in the Australian Church will search for the most authentic way to live the faith and the most effective means of passing it on to future generations. (Flynn & Mok, 2000, p. 22) The second part of their article focuses on more recent documents further defining and delineating the role of the Catholic School, this is titled, â€Å"The Catholic School on the Threshold of the Third Millennium.† (Flynn & Mok, 2000, p. 23) In general these more recent documents slightly softened the role of religion and represent the schools as part of the cultural inheritance of society as well. For instance in the Church document, ‘Lay Catholics in Schools: Witnesses to Faith’ (1982), the mission of Catholic schools is clear that they are to add to the culture around them and not dictate religious fervour. While still focusing on the gospels, â€Å"It strives to relate all human culture to the good news of salvation.† (Flynn & Mok, 2000, p. 23) Mission is an apt conceptualisation of the Catholic schools leadership roles, they are most akin to missionaries with an evangelical purpose to help and to serve the community as well as to open them to their faith. As stated it is an integration or synthesis of culture and faith. (Flynn & Mok, 2000, p. 26) The third part of their article, ‘Australian Catholic

Ecological survey of the Lime Cay Essay Example for Free

Ecological survey of the Lime Cay Essay Lime Cay, the man islet of the Port Royal Cays, located 17 degrees north and 76 degrees west, is one of the many cays in Jamaica. By definition, a cay is a small low elevated sandy island formed on the surface of a coral reef. These types of islands are usually found in the Caribbean Sea, Pacific, Indian and Atlantic Ocean. Also they are circular in shape. A cay is home to many different species due to the formation of habitats such as the rocky shore habitat. A cay is formed when the current of the ocean transport lose sediments across the surface of a reef to a depositional node, which is where two currents converge and the sediment load is released. Layers of deposited sediment gradually build up on the reef surface resulting in a low island forming on this reef. Cays provide a variety of habitats ranging from marine to terrestrial. Hence, Cays are important protectors of the biodiversity of our planet. Cays provide several habitats for its organisms such as rocky shores, sea grass beds, sand bed, coral beds and inner terrestrial land. Prominent organisms that occupy the marine and the coastal habitats include echinoderms, crabs, fishes etc. The terrestrial portion of Cay is usually dominated by various Mangrove species. Method: A trip was made to Lime Cay to carry out a comprehensive ecological study of Lime Cay. It was done in 4 parts: Project 1: The Impact of Man on the Environment Persons walked along the cay and waded in the water to find evidence of the presence of man to determine the ways in which he affects the habitat. Evidence of the presence of animals was also investigated and a possible food web was made based on the animals (or evidence of animals) that were observed. Project 2: Echinoderm Distribution A group of 8 swimmers went into the surrounding sea of the cay with snorkelling gear in order to observe the abundance and distribution of echinoderms in habitats where they were likely to be found. A quadrant was randomly thrown 5 times in each of the different sea habitats. These included the sea grass, sea sand and the rocky habitats. The number of echinoderms in the quadrant for each throw in each habitat was recorded in a table. Project 3: Mangrove Distribution Persons walked around the cay and into the mangrove, and identified the different mangrove types, making note of the characteristics of each plant, as well as the ambient conditions and how they could affect the distribution of the mangroves. Project 4: Rocky Shore Study A suitable area of the rocky shore was investigated and notes were made on how conditions in this area varied (in terms of temperature and salinity) and how organisms were adapted to live in this environment.

School Breakfast Programs Essay -- Essays Papers

School Breakfast Programs For most kids waking up in the morning, getting dressed and sitting down to a bowl of cereal and some toast is a normal occurrence for them. However for some students that luxury may not be possible. Over the past couple of years several states across the US have spent millions of dollars and served over 360 million breakfasts and lunches for children who cannot afford to have a regular priced meal or who don’t have money for food at all. With these programs producing such great results for the children in the classroom and out of school more and more states have begun to implement similar programs for underprivileged children. One of the major reasons for the popularity of the breakfast programs is that it enables the children to start there day off with a healthy, nutritional meal. And for kids that are in elementary and middle school having a well balanced meal to start their day off is important because at that age children tend to hit growth spurts sporadically and having the right nutrition in there bodies will enable them to grow with out any complications. Another key reason as to why the Breakfast programs have become such a major success is the in class room behavior of the students. In different polls taken across America schools that were using the breakfast programs had shown that students who took part in the programs overall grades improved, along with attendance and classroom behavior. In an article written by the Advantage Press it was stated that â€Å"A surprising benefit has been observed: there has been a sharp decrease in the number of children going to school nurses. Thus, less class time missed by students. Even teachers who had worried about the added work of overseeing br... ...Programs January 2004 http://www.mtcef.org/activities_3a.htm 5. Provision 2 Guidance National School and Lunch Programs 3 March 2004 http://www.sde.state.id.us/child/docs/CNPResources/Publications/P2Guidance- July242002.pdf 6. Chicago Public School Meal Programs September 2004 http://www.cps.k12.il.us/Parent/Enrollment/School_Lunch/school_lunch.html 7. ThedailyJounranl.com Monday, May 14, 2001 http://www.thedailyjournal.com/news/stories/20010514/opinion/568745.html 8. Policies and Procedure Manual Mississippi Nutrition Program September 2004 http://www.cn.mde.k12.ms.us/resources/forms/ta/mscnp15.pdf 9. Federal Food Programs http://www.frac.org/html/federal_food_programs/programs/sbp.html 10. School Breakfast Programs August 2003 http://www.fns.usda.gov/cnd/Breakfast/AboutBFast/bfastfacts.htm

Analyzing Serve or Fail Essay

In Serve or Fail, by Dave Eggers, Eggers implies that college students have too much time on their hands that could instead be used for helping the community. He argues that college itself is time consuming and even with classes, studying, a job, and social activities there are still plenty of hours in the day that need killing. He also states that giving students the opportunity to serve the community in exchange for course credits hours will give students the motive to do so. Not only would the community be benefited tremendously but the students as well. Lastly, Eggers confirms his argument by providing facts and statistics from previous cases that were very successful. Eggers proves his argument by providing these three things in his article. He states â€Å"About now, most recent college graduates, a mere week or two beyond their last final, are giving themselves a nice respite.† Eggers believes that the students do deserve â€Å"free time† but to a certain extent. They shouldn’t just go to class and study 24 hours a day, 7 days a week, but they also shouldn’t play games and skip class either. Eggers begins his argument with personal experiences. Personal experiences is a great way to prove a thesis to an audience. He shares â€Å"during my time there, I became one of the best two or three foosball players in the Land of Lincoln.† Soon, he realized that even after all the fun and games there was still extra time. Therefore, Eggers decided to volunteer. He thought it would be exciting and maybe the start of a new hobby. He realized soon after that volunteering was not for him. It wasn’t that he didn’t enjoy it, he explains that he found a place he enjoyed volunteering at, but he didn’t have to volunteer, no one was forcing him to do this act of kindness; so, he quit. Because of Eggers providing us with personal experiences we can His second approach for his argument is offering the students credit hours in exchange for volunteer work. Doing so would give the students the motive to get up and make something of themselves by helping out in the community. He proposes the idea of trading twenty-five volunteer hours in exchange for one course credit hour, with a maximum of three credits per year. Also, to  account for the college curriculum, experience and requirements, Eggers believes that the mandatory volunteer work shouldn’t come until the student’s junior and senior year. Of course, first and second year students could still do the â€Å"exchange program† but it wouldn’t be mandatory the first two years. Eggers said, â€Å"A college history major might learn something by tutoring a local middle school class that’s studying the Underground Railroad†. Learning outside of a classroom is just as important and learning inside the classroom. Another approach from Eggers is provided by facts and statistics. Providing facts and statistics is a great way to prove a thesis to an audience. He provides us with evidence of successful cases from colleges, and some high schools, regarding his ideas. According to Eggers, â€Å"Some colleges, and many high schools, have such a thing in place, and last year Michael R. Veon, a Democratic member of Pennsylvania’s House of Representatives, introduced a bill that would require the more than 90,000 students at 14 state-run universities to perform 25 hours of community service annually.† Eggers points out that this plan sometimes won’t work for certain colleges and students, but even factoring those rare cases out, the sta tistics are still phenomenal; approximately 60 million hours overall! Eggers’ argument in his essay Serve or Fail provides us with personal experiences, motive for students, and facts and statistics that give us enough proof and evidence that we should test his theory throughout more colleges worldwide. Eggers also provides an underlying benefit of time management incorporated in his work, â€Å"What if graduating seniors already knew full well how to balance jobs, studies, family and volunteer work in the surrounding community?† Students learning how to balance class, a job, homework, and volunteering will greatly appreciate this action in their futures. Eggers giving us his personal experiences let us know that he has hard evidence against his claim. Students having the option of the â€Å"exchange program† gives them motive to work which will help the community. The facts and statistics say it all, if the community could gain 2 million or more service hours a year all because of a student participating in volunteer work once a month, could this be such a bad idea after all? Think about your college years; was there a lot of empty time? Did you goof off a little too much instead of doing something useful to pass time? Could you have volunteered to better yourself and your community in your spare time?

Created for Perfection but Destined to Fail

Having a dying child changes a family’s life. A mother will do anything she possibly can to aid this child. Likewise, the rest of the family will have to commit in order for their sibling’s well being. During and after a situation like this, life for the family will not be the same. In the movie, My Sister’s Keeper, directed by Nick Cassavetes, a happily married couple with two children live their life normally and joyfully until the day they learn that their two year old daughter, Kate, had leukemia and would not live past the age of five.In the movie Sofia Vassilieva plays the role of Kate, the dying girl, whose illness would not let her live past the five. Neither Kate’s parents or brother were a match with her and thus could not donate anything to aid her with her terminating disease. The parents decided to produce a one hundred percent in vitro child so he/she could give Kate what she needed: bone marrow, blood donations, and stem cells. Cameron Diaz, Sara Fitzgerald, the mother, together with Jason Patric, Brian Fitzgerald, the husband, agreed to have a baby â€Å"made in a dish to be spare parts for Kate.†(Breslin)And as soon as their baby was born, they would summit her into numerous surgeries so she could donate what ever Kate needed to live. To me this was a great attention grabber for the movie because it gave the plot originality. The in vitro child, Abigail Breslin, Anna Fitzgerald, was twelve and she introduced the movie speaking of how she was only made to aid her dying sister. She was the â€Å"perfect in vitro child who would be Kate’s genetic savior. †(Breslin) Ever since she was a newborn she was summited to numerous operations because of the different needs Kate had.Now that she is twelve, Anna files a lawsuit against her parents wanting to be medically emancipated, to have the rights to her own body. She claims she wants to live her life as a regular twelve year old girl without having restri ctions in her daily activities. Later in the movie however, the audience comes to find that Kate had actually pleaded Anna into filing the lawsuit. Kate does this because she had no desire of living anymore, she wants the suffering to end, and the fighting in her family to end.Kate wanted Anna to be free from the surgeries, she wanted to be at peace and she wanted to free her family from further suffering. Cassavetes directed and created an excellent â€Å"tear breaking† movie yet he failed to properly construct and revise Sara Fitzgerald’s role. Sara was portrayed as a loving mother, but to a point, her character was a selfish. Her main concern since the movie began was her daughter Kate’s well being and was â€Å"not going to let her die. † (Diaz) Sara became a mother primarily interested in making Kate live and thereby forgot her role as a mother not only to Kate but to Anna and her oldest son Jesse.Sara had the entire family dedicated to watching over Kate and her needs. This made Jesse feel ignored and would constantly flee home and Anna grew feeling unloved. When Sara received the papers of the lawsuit, she became infuriated and slapped Anna across the face. This action of hitting her child demonstrated how Sara simply disregards Anna’s opinion because listening to Anna’s desires meant letting Kate die and she was not going to allow that. Sara would rather have Anna feeling miserable with her life than to watch Kate die.She  gave up her entire life to watch over Kate’s health and she was not going to let anyone or anything ruin her twelve year battle. On the other hand, Brian’s role in the movie served mainly to defend his children. Although he struggled the same battle of keeping Kate alive with Sara, his character understood and stood beside what his children needed. He let Sara take over for twelve years but when the lawsuit came he understood Anna’s point and stood beside her. Personall y I loved when he took Kate to the beach because she wanted to see it before dying.He took her even if it meant having an argument with his wife which could lead to getting a divorce. Brian wanted to make sure that his daughter had what she wanted in her last few moments of life. Looking at Roger Ebert’s professional movie criticism and review of the movie My Sister’s Keeper, he stated that the movie is â€Å"an immediate audience-grabber. † He says that the movie is good because of the plot itself. A girl who is twelve was made so she could be spare parts for her dying sister.However, he does mention that the movie is subject to different interpretations to the viewers because some may agree on the lawsuit Anna placed on her parents and others may disagree. The audience’s opinion is controversial depending on their standing point. If a person favors life then he or she would disagree with Anna’s point because if she medically emancipates and decid es not to continue to donate to her sister, Kate would die. Others who favor choice, agree with the lawsuit because Anna has a life of her own and she must pursue and live it.Ebert feels Anna is right to have gone to the lawyer, Alec Baldwin, who proves 90% accuracy on his trials because she is being independent and an achiever of what she believes is correct. He also feels that Anna has been through enough ever since she was born. She has donated her sister blood, bone marrow, and stem cells and has had to undergo several surgeries and stays at the hospital because of these operations. Ebert discusses the issue that Anna should not give away her kidney to her sister because this would limit her physical activities.She will not be able to enjoy her childhood, her teenage years and many other activities she should be experiencing as a teen and even as she grows older. Ebert also discusses how Taylor, Kate’s dying boyfriend, gives My Sister’s Keeper its best element beca use he makes the movie â€Å"tender, tactful and very touching. †(Ebert) His opinion about the appearance of this boy in the movie was to distract the audience from the entire discussion and constant fighting of the Fitzgerald family over the lawsuit. Taylor allows the audience to see that Kate in spite of her terminating disease was able to live a life like any other teenager.With this romance, Cassavetes diverted the movie aside from the tragic family disputes and turned it into a romantic love story between Kate and Taylor, and what they got to live for a while. This romance gave the movie more realism, Ebert stated. Regarding Diaz’s role as the mother, Ebert believed that her character demonstrated her fierceness in wanting to solve and win a case in her private life. Since she was a successful lawyer and won most of her cases while in practice, she now sees Kate’s disease as a case she must win as well.Since Sara won cases most of the time, she now feels sh e must fight to keep Kate alive. This is her most intense case and she has won it for twelve years by having kept Kate alive past her expected death at five. Ebert agrees with the role of Sara Fitzgerald. Both my opinion and Ebert’s agree on many factors of the movie My Sister’s Keeper yet we disagree on one point. We both think that it was a great movie with an excellent plot and attention hook. The idea of having parents â€Å"make and create† a perfect match for their dying daughter was definitely a grabber.We believe that Anna has suffered her entire life and she now has the right to live her own life and enjoy being a kid. We feel she should not be worried of limiting her activities for the sake of helping her dying sister. For these reasons Ebert and I agree on the fact that Anna has the right to her â€Å"medical emancipation†, so she could have the right to her own body. Ebert and I also concord when we say that Anna’s family is near perfec t and that the only disfunction in it is Kate’s disease. The disease was not only killing her, but it was killing her family as well.â€Å"Beneath the exterior there were cracks and resentments† (Patric) that threatened the well being of the Fitzgerald family. The constant fighting between Brian and Sara, Jesse feeling ignored, and most importantly Anna having gone to a lawyer and having sued her parents portrays the family disfunction. The fact the Sara disregarded everyone’s opinion and did what she thought was correct without anyone else’s opinion, led the family to slowly break. We think that Brian’s role as the father, served mainly as a mediator.He was in the middle of every battle at home and he was constantly overruled by his wife. He had no voice in the movie until the end when he confronted Sara and took Kate to the beach with or without Sara’s approval. All through the movie Brian was more of a secondary character yet he proved hi mself after the scene of the beach. Brian defended what he thought was correct and stood by Anna’s side when she filed the lawsuit, he understood her point and could not believe he had let his daughter suffer so much for the past twelve years.Overall Ebert and I believe he had a fairly good role but his character stood out towards the end of the movie. In the role of Sara, Ebert and I disagree as to what we think Cassavetes wanted her to represent. To me Sara’s role and character in the movie, made her be disliked by the audience. She was set as a person who did not care about her husband, as a person who did not notice her son, and in a way she despised Anna for wanting to have the right to her body and stop being Kate’s savior. I felt she was a selfish mother who only cared about Kate’s life and no one else’s.Ebert believed that Diaz’s role was her merely wanting to save her daughter Kate at all possible cost. He felt Sara viewed this batt le as another win in her life, but this win was not in her professional life but in her private one. He thinks that this was a good touch in the movie to have portrayed the mother so involved and dedicated into saving her daughter’s life because it gave the movie a sense of reality and portraying how women would actually act in this situation. The movie My Sister’s Keeper, reflects the life of a model family and how a death sentence slowly split the family members apart.Roger Ebert in his critique for this movie highlighted major aspects which I myself thought of when watching the movie. The idea of having an in vitro child be subject to various operations to aid her dying sister, made the movie so intriguing and different from many others. The plot of this movie was unexpected and completely unpredictable. Overall the movie was great because it excelled in every aspect and most certainly because it was emotionally appealing to its viewers. I give the movie My Sisterâ €™s Keeper directed by Nick Cassavetes, thumbs up.

Logic Gates Essays (789 words) - Logic Gates, Digital Electronics

Logic Gates Essays (789 words) - Logic Gates, Digital Electronics Logic Gates Experiment #1 Title:Logic Gates Objective:To analyze and become familiar with the operation of TTL Logic Gates. Equipment:Digital Trainer AND Gate (7408) NAND Gate (7400) OR Gate (7432) NOR Gate (7402) Procedure: 1) For each gate predict the output for all combinations of inputs. Write the truth table and describe the operation for the circuit. 2) Build each of the logic circuits to determine if it does operate as expected. Record the results. 3) Have it checked by the Instructor of Lab Tech. Diagrams AND Gate (7402) NAND Gate (7400) OR Gate (7432) NOR Gate (7402) Truth Tables AND Gate (7408) ABOUTPUT 00 0 01 0 10 0 10 1 NAND Gate (7400) ABOUTPUT 00 1 01 1 10 1 11 0 OR Gate (7432) ABOUTPUT 00 0 01 1 10 1 11 1 NOR Gate (7402) ABOUTPUT 00 1 01 0 10 0 11 0 Discussion In the experiment for the AND Gate, the red lead from the power pack in connected to pin #14 (Vcc). The black lead from the power pack in connected to pin #7, which is the ground. Both HIGH inputs from the Vcc are connected to pin #1 and pin #2. Output pin #3 is connected to the positive side of the LED, while the other side of the LED is connected to the ground. The LED lights up, because HIGH is present at pin #3 of the AND Gate. The power connections are the same while one of the inputs was connected to LOW. The LED did not light up, signifying a LOW at pin #3, which is the output. In the experiment for the NAND Gate, the red wire from the power pack is connected to pin #14, which is the Vcc. The black wire from the power pack is connected to pin #7, which is the ground. Two HIGH inputs from the Vcc are connected to pin #1 and pin #2. Output pin #3 is connected to the positive side of the LED, while the other pin from the LED is connected to ground. The LED did not light up, because a LOW is present at pin #3 of the NAND Gate. The power wires remain unchanged while one of the inputs was connected to LOW from the ground. The LED did not light up, signifying a HIGH at pin #3. In the experiment for the OR Gate, the red lead from the power pack is connected to pin #14, which is the Vcc. The black lead from the power pack is connected to pin #7, which is the ground. Two LOW inputs are connected to pin #1 and pin #2. Output pin #3 is connected to the positive side of the LED, while the other side of the LED is connected to the ground. The LED did not light up, because a LOW is present at pin #3 of the OR Gate. The power connections have been the same while one of the inputs was connected to HIGH from the Vcc. The LED lights up, because a HIGH is present at pin #3. In the experiment for the NOR Gate, the red lead from the power pack is connected to pin #14, which is the Vcc. The black lead from the power pack is connected to pin #7, which is the ground. Both LOW inputs from the ground are connected to pin #1 and pin #2. Output pin #3 is connected to the positive side of the LED, while the other side of the LED is connected to ground. The LED lights up, because a HIGH is present at pin #3 of the NOR Gate. The power connections are kept unchanged while one of the inputs was connected to HIGH from the ground. The LED did not light up, signifying a LOW at pin #3. Summary In the experiment for the OR Gate, if both inputs are LOW, the output is LOW. Otherwise the output is always HIGH. In the experiment for the AND Gate, when both inputs are HIGH the output is HIGH. Otherwise the output is always LOW. In the experiment for the NOR Gate, when both inputs are LOW, the output is HIGH. Otherwise the output is always LOW. In the experiment for the NAND Gate, when both inputs are HIGH, the output is LOW. Otherwise the output is always HIGH. Conclusion By doing this experiment, I have realized that the outputs of the NOR and OR Gates are opposites of each other as far as output matters. The

Free Essays on Platos Ideal State

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