Wednesday, April 15, 2020
ICT and Environmental Hazards Essay Example
ICT and Environmental Hazards Paper The ensconce of this additional use will be an increasing impact on the environment; this will happen despite the fact that some CIT devices are more efficient, and with a potentially smaller effect on the environment. Although its effects on our everyday lives are obvious, the hazardous effects that this technology may have on the environment are much less clear and seldom talked about and are often neglected or overlooked. These impacts can be expressed throughout the lifestyle (from the manufacturing, use and disposal) of the CIT product. Both the inefficient use of energy and the manufacturing and disposal of product leads to the generation and release of toxic compounds into the environment. This report exposes some of the hazardous effects on the environment resulting from the use of CIT and suggests possible recommendations. The implementation of these recommendations would go a long way in maximizing the efficient use Of CIT product and significantly minimize the hazardous impacts of CIT on the environment at large. LITERATURE WORK CIT is an industry in a state of constant change and development, with the continuous production of new, different, and more advanced devices. The manufacturing of these products, therefore, implies a very high level of technology and the use of specific elements/chemical compounds. Some of these elements can be very toxic; heavy metals such as cadmium (Cd), lead (BP) and arsenic (As), for instance, are all present in desktop computers or in standard computer monitors. Other compounds are also hazardous. An example can be the use of predominated flame retardants (Bars). We will write a custom essay sample on ICT and Environmental Hazards specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on ICT and Environmental Hazards specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on ICT and Environmental Hazards specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Bars are chemicals which are applied to the electronic parts of the devices for safety reasons. The environment is exposed to hazard resulting from the use of CIT. Exposure to the toxic compounds mentioned above can take place after the disposal of the CIT devices. There can be exposure, for instance, if these elements/chemicals leach from a landfill into the environment; clearly this process can cause damage and have noticeable impacts on the environment, both short and long term. The incineration of parts of the CIT devices may also cause exposure to hazardous substances. The incineration of waste which contains these kinds of chemicals is forbidden by law. It can happen, however, that these parts may be accidentally incinerated together with other mommies waste. This can be particularly dangerous if Firs are present, as during the combustion they can form predominated dioxins very toxic molecules. Another possible source of exposure is the re-use and/or recycling of these devices, or of part of the devices. Strict regulations are in place to recycle materials which may contain toxic elements; these, however, are not always applied in developing countries. In places like China, India or in some African countries, there is an informal market, to recover and reuse the valuable compounds of these CIT devices. Metals such as gold or copper, for instance, are present in the majority of the devices; they are recovered using processes without any safety precautions; these processes can generate hazardous compounds, posing a threat both to the environment and to the workers involved in them. Energy consumption is another problem associated with CIT devices and it is also an important issue to consider. For the majority of CIT devices, a greater proportion of the energy is necessary for manufacturing the device than for using the device itself. CIT and Environments The environmental problems associated with computers are two-fold. High energy consumption and highly toxic component materials are currently inherent characteristics Of CIT products, thus making their production, use and disposal ecologically unsound. These two major problems would be the main focus of this work and would be discussed extensively. Energy Consumption Globally speaking, the issue of energy consumption is one that involves all sectors and industries. According to Norfolk (1990) and Oakmont (2002), electronic office equipment such as desktop computers uses significant amounts of electric power. Atypical CPU uses 120 Watts 1 joule/second) f electricity, while a CRT monitor consumes added 1 SOW (United States Department of Energy, 2005). This implies that a standard office computer which is left on 8 hours per day, for 5 days a week can consume up to 561. 6 k of fossil fuel derived energy. However, this figure more than triples if such a computer is left on throughout the night or during the entire week. Physical components and Toxin Desktop computers generally consist of three major units: the main processing machine (CPU Consisting of power supplier, fan, ICC boards, DVD drive, CD drive, hard disk, soft disk and shell casing), the monitor and the aboard. These major units are composed Of various materials, which, in turn consist of a wide range of Chemicals, elements and heavy metals. Some of these materials, such as platinum, have a high recovery and recycling efficiency (95%), while others cannot be recycled at all (e. G. Mercury, arsenic and barium). There are, however, two desktop components that represent the largest environmental hazards with respect to availability, monitors containing Crust and flame retardant plastics. Need for Green computing The extensive use of computers and IT has made our life easier and as such he use of IT is ever on the increase resulting in greater power consumption. Greater power consumption means greater emission of greenhouse gases like carbon dioxide. It is observed that most of the computer energy is often wasteful. This is because we leave the computer ON even when it is not in use. The CPU and fan consume power; screen savers consume power even when the system is not in use. Insufficient power and cooling capacities can also results in loss of energy. It is observed that most of the decanters do not have sufficient cooling capacities. This results in environment pollution. This could be because of defects in Manufacturing techniques, packaging, disposal of computers and components. Another effect is because of toxicity. There are toxic chemicals used in the manufacturing of new computers as well as disposal of old computers and components which can enter the food chain and water. Green computing is the environmentally responsible use of computers and related resources. Such practices include the implementation Of energy-efficient central processing units (JPLS), servers and peripherals as well as reduced resource consumption and proper disposal of electronic waste (e-waste). One of the earliest initiatives toward green computing in the United States was the voluntary labeling program known as Energy Star. It was conceived by the Environmental Protection Agency (EPA) in 1 992 to promote energy efficiency in hardware of all kinds. The Energy Star label became a common sight, especially in notebook computers and displays. Similar programs have been adopted in Europe and Asia. Government regulation, however well-intentioned, is only part of an overall green computing philosophy. The work habits of computer users and businesses can be modified to minimize adverse impact on the global environment. Here are some steps that can be taken: * Power-down the CPU and all peripherals during extended periods of inactivity. * Try to do computer- related tasks during contiguous, intensive blocks of time, leaving hardware off at other times. Power-up and power-down energy-intensive peripherals such as laser printers according to need. * Use liquid-crystal-display (LCD) monitors rather than cathode-ray-tube (CRT) monitors. * Use notebook computers rather than desktop computers whenever possible. * Use the power-management features to turn off hard drives and displays after several minutes Of inactivity. * Minimize the use Of p aper and properly recycle waste paper. * Dispose of e;waste according to federal, state and local regulations. * Employ alternative energy sources for computing workstations, servers, networks and data centers. Approaches to Green Computing Fertilization: Computer fertilization is the process of running two or more logical computer systems on one set of physical hardware. With fertilization, a system administrator could combine several physical systems into virtual machines on one single, powerful system, thereby unplugging the original reward and reducing power and cooling consumption. One of the primary goals of almost all forms of fertilization is making the most efficient use of available system resources. Fertilization highlights the idea of Green Computing; by consolidating servers and maximizing CPU processing power on other servers. Storage fertilization makes it possible for systems to access a shared storage subsystem. Avis clear that this approach would reduce the number of storage devices needed, the amount of power required, the heat produced and, as a wonderful side effect, would reduce the operational ND administrative costs of backup, archival storage etc. Power Management: Lower power consumption also means lower heat dissipation, which increases system stability, and less energy use, which saves money and reduces the impact on the environment. The Advanced Configuration and Power Interface (ASPI), an open industry standard, allows an operating system to directly control the power saving aspects of its underlying hardware. This allows a system to automatically turn off components such as monitors and hard-drives after set periods of inactivity. In addition, a system ay hibernate, where most components (including the CPU and the system RAM) are turned off. ASPI is a successor to an earlier Intel Microsoft standard called Advanced Power Management, which allows a computers BIOS to control power management functions. Power management for computer systems are desired for many reasons, particularly: * Prolong battery life for portable and embedded systems * Reduce cooling requirements. * Reduce noise. * Reduce operating costs for energy and cooling. Power supplies Power supplies in most computers (Us for short) arent designed for energy efficiency. Infant, most computers drain more power than they need during normal operation, leading to higher electrical bills and a more dire environmental impact.
Tuesday, April 14, 2020
Which Type of Math Essay Sample About Graphing?
Which Type of Math Essay Sample About Graphing?You may be in need of a math essay sample about graphing, but without knowing where to find one, it can be difficult to figure out which type is best. In this article I'll cover some of the more common types and provide the types with the greatest application.For graphing you may wish to choose a type that's geared towards both graphing and algebra. These types will offer you the best of both worlds. You'll get all the graphing instruction that you need and at the same time you'll be learning about algebra. If you have a math background, this can be a great way to review for you classes or use it as a refresher. If you're looking for a real-world application for graphing, then this type of essay sample would work best.As an alternative to graphing there are high school students that may have received some college preparatory math instruction that may also have a couple of semesters worth of graphing projects under their belt. This can be a great type of math essay sample because it can show the high school student that there is a need for a refresher course in math.Another option for a math essay sample about graphing can be a type that focuses solely on graphing. This type would not require the student to learn algebra or any other subjects beyond the basics.Math is a tricky subject and it can be frustrating for a student if they don't understand what they're doing. A math essay sample about graphing should provide instruction and examples that can be easily understood by students. Some type of explanation of algebra would be required to get the more advanced students used to the concepts.An example might be a proof worksheet that is based on algebra. The student can use graphing to help the student use algebra. The student can then use the math statement to make the proof worksheet more concise.A math essay sample about graphing should use an online graphing calculator. This type of calculator makes graphing easi er and allows the student to do their homework with the correct tools available. It also allows the student to better understand their errors and may also provide a more detailed explanation on algebra.Choosing an online calculator is extremely important to success in math. Many online calculators can help students to understand advanced concepts much faster than if they were to learn them through traditional instruction.
Thursday, March 12, 2020
Free Essays on In His Steps Book Review
Book Review: In His Steps by Charles M. Sheldon In His Steps by Charles M. Sheldon is an over all good read, it asks the reader: What would Jesus do? By introducing the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ Sheldon asks the reader to reexamine their life. Sheldon has his characters deal with too big dilemmas and not any everyday ones. Sheldon through introducing the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ was able to get the reader to rely more on the Holy Spirit and less on themselves. When Charles Sheldon introduced the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ he was able to get the reader to look closer at their own life as to how they can fix it. Through the reexamination of the church in the story the reader begins to reexamine themselves. Then the pastor asks the congregation to for one year ask themselves what would Jesus do before they acted on something. This felt as if the preacher in the book was talking directly to the reader. By doing this Sheldon was able to ask the audience if to reexamine their lives and see what they can do to be more like their savior Jesus. By introducing this great question Charles Sheldon started a fad and a great self awakening. Self awakening is when a person realizes that they need to look at their life and change it some how. Charles started a fad of clothing bracelets and such by asking this question but in actual fact that was not his sincerest intention. The question is introduced first by the young man: ââ¬Å" and I kept wondering as I sat on the steps outside just what they meant by it. It seems to me there's an awful lot of trouble in the world that somehow wouldn't exist if all the people who sing such songs went and lived them out. I suppose I don't understand. But what would Jesus do? Is that what you mean by following His steps? It seems to me sometimes as if the people in the big churches had good clothes and nice houses to live in, and money to spend for luxuries, and could go away on sum... Free Essays on In His Steps Book Review Free Essays on In His Steps Book Review Book Review: In His Steps by Charles M. Sheldon In His Steps by Charles M. Sheldon is an over all good read, it asks the reader: What would Jesus do? By introducing the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ Sheldon asks the reader to reexamine their life. Sheldon has his characters deal with too big dilemmas and not any everyday ones. Sheldon through introducing the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ was able to get the reader to rely more on the Holy Spirit and less on themselves. When Charles Sheldon introduced the phrase ââ¬ËWhat would Jesus do?ââ¬â¢ he was able to get the reader to look closer at their own life as to how they can fix it. Through the reexamination of the church in the story the reader begins to reexamine themselves. Then the pastor asks the congregation to for one year ask themselves what would Jesus do before they acted on something. This felt as if the preacher in the book was talking directly to the reader. By doing this Sheldon was able to ask the audience if to reexamine their lives and see what they can do to be more like their savior Jesus. By introducing this great question Charles Sheldon started a fad and a great self awakening. Self awakening is when a person realizes that they need to look at their life and change it some how. Charles started a fad of clothing bracelets and such by asking this question but in actual fact that was not his sincerest intention. The question is introduced first by the young man: ââ¬Å" and I kept wondering as I sat on the steps outside just what they meant by it. It seems to me there's an awful lot of trouble in the world that somehow wouldn't exist if all the people who sing such songs went and lived them out. I suppose I don't understand. But what would Jesus do? Is that what you mean by following His steps? It seems to me sometimes as if the people in the big churches had good clothes and nice houses to live in, and money to spend for luxuries, and could go away on sum...
Tuesday, February 25, 2020
Procrastination and how to overcome it Research Paper
Procrastination and how to overcome it - Research Paper Example In this regard, the objective of this essay is to proffer relevant issues pertaining to procrastination, as the problem that needs to be resolved. The discourse would initially describe procrastination; what information should be gathered to help one solve it and where the information may be obtained. A description of the process to be used to evaluate the needed information and issues that will be considered in the evaluation (such as perspective and validity) would be determined. Finally, how the information will be used to resolve the problem and alternative areas of consideration would be evaluated prior to arriving at an appropriate solution. Different studies present varying models of a typical decision-making process depending on their perspectives. Some models follow eight steps, others five. For purposes of making intuitive choices, one structurally follows six steps in decision making. The six steps of this natural, intuitive decision-making process, according to Ethics Resource Center (2009) are: ââ¬Å"Step 1: Define the problem; Step 2: Identify available alternative solutions to the problem; Step 3: Evaluate the identified alternatives; Step 4: Make the decision; Step 5: Implement the Decision; and Step 6: Evaluate the decisionâ⬠. According to Procrastination Pro (2010), par. 12), a more comprehensive definition of procrastination is ââ¬Å"a chronic habità (caused primarily by fear or discomfort) of illegitimately justifying to oneself that a task does not, should not, or cannot be started nowâ⬠. Procrastination would tend to cause stress, depression, lack of motivation, among others (Procrastination Pro, 2010). Knowing that it is a chronic habit, Carter, Bishop & Kravits (2007) averred that once the area of dilemma has been defined, the next step would be to gather relevant information to assist in addressing the problem. There are vast sources of information where solving procrastination can be
Saturday, February 8, 2020
The Consequences Of Global Warming Research Paper
The Consequences Of Global Warming - Research Paper Example The climatic changes have led to disruptions and different animals react differently. A report by IPCC (2007) shows that the climatic change affects predator/prey interactions, biotic interactions, and ecosystem functioning. In addition, natural disturbances, invasive species, and loss of habitats are among the stressors of the animal population that may continue increasing with climatic changes. According to this report, climatic temperatures may rise in the following years to unmanageable degrees leading to mass extinctions. Since the industrialization era, carbon dies oxide has increased by 30% while methane has doubled. Nitrous Oxide, which is also another greenhouse gas, has risen by 15%. All these gases have enhanced the heat-trapping capability in the atmosphere. In the year 1950, the carbon dies oxide parts per million was around 350 compared to the year 2000 when the figure rose to 385 parts per million. This means these gases were absorbing a lot of heat while the rest refl ected back to the global atmosphere. The change in temperatures cause the climate changes and increases the frequency, extent, and strength of other weather effects like floods, droughts, heat waves among others. Research shows that, by the year 2100, the temperatures will have increased by 2-5%, while the rise in sea level will have gone up by 25 feet. The melting land-ice triggers the rise in the sea height.The Kyoto protocol took effect in 2005 with the United States has withdrawn from the treaty, with Canada and Russia the following suit.
Wednesday, January 29, 2020
Operations Management Zellers Essay Example for Free
Operations Management Zellers Essay What competitive priority is important for a discount store, such as Zellers? Cost is the most important competitive priority for a discount store, such as Zellers. In order to perform competitively as a discount store, the organization must emphasize low operating costs. With this priority, Zellers can produce at low costs in comparison to competitors and offer products at low prices in order to meet consumer needs and become an order winner. 2. Three generic strategies are low cost, niche market, and product differentiation. What one of these strategies was Zellers using before 1998? After 1998? Prior to 1998, Zellers was using a low cost strategy. The company targeted budget-minded consumers with the slogan Where the Lowest Price is the Law. In the face of fierce rivalry from WalMart entering the competitive landscape and various operational shortcomings, Zellers made several strategic decisions and changes. After 1998, Zellers was using a niche market strategy, by adjusting its mission to become a moms store. Zellers focused on offering fair value to consumers, as opposed to the lowest price. The company moved away from the low cost dynamic of its self-service policy by investing in labour, having several customer service assistants on the floor. It also focused on investing in more famous brands and private label products. To the companys detriment, it appears that Zellers made these strategic changes in order to compete more directly with WalMart, as they moved away from discounts towards offering everyday low prices on 95% of its merchandise.
Tuesday, January 21, 2020
Characters and Themes in Richard Wrights Black Boy Essays -- Wright B
Characters and Themes in Black Boy The novel, Black Boy is Richard Wright's autobiographical account of his life beginning with his earliest memories and ending with his departure for the North at age nineteen. In Black Boy, Wright tells of an unsettled family life that takes him from Natchez, Mississippi, to Memphis, Tennessee, back to Jackson, Mississippi, then to Arkansas, back again to Mississippi, and finally to Memphis once more, where he prepares for his eventual migration to Chicago. Most critics agree that Black Boy is a highly selective account, more selective than the term "record" in its subtitle suggests. At the time Wright wrote Black Boy, he was already an accomplished author of fiction. He had published a collection of short stories called Uncle Tom's Children and the highly successful novel Native Son. Wright chose carefully the experiences he includes in Black Boy, the ones he highlights, and the tone in which he writes about them. Many readers even think that he invents some of the incidents. Most agree, however, that Wright crafts his autobiography for the precise impact he wants. Of course, the central character of Black Boy is young Richard Wright. To distinguish between this young character and the author looking back on him many years later and even occasionally inventing incidents about him, this guide follows the standard practice of referring to the former as "Richard" and the latter as "Wright." Wright presents Richard&... ...ight had originally wanted the book to describe his life in Chicago as well, but his publisher decided only to accept the Southern portion. As a result, the book becomes in part an indictment of the South and of its oppressiveness toward blacks.
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