Sunday, May 17, 2020

What Is the Northwest Passage

The Northwest Passage is a water route in Northern Canada north of the Arctic Circle that decreases ship travel time between Europe and Asia. Currently, the Northwest Passage is only accessible by ships that have been strengthened against ice and only during the warmest time of the year. However, there is speculation that within the next few decades and due to global warming that the Northwest Passage may become a viable transportation route for ships year-round. History of the Northwest Passage In the mid-1400s, the Ottoman Turks took control of the Middle East. This prevented the European powers from traveling to Asia via land routes and so it spurred interest in a water route to Asia. The first to attempt such a voyage was Christopher Columbus in 1492. In 1497, King Henry VIIÂ  of Britain sent John Cabot to search for what began to be known as the Northwest Passage (as named by the British). All attempts over the next few centuries to find the Northwest Passage failed. Sir Frances Drake and Captain James Cook, among others, attempted the exploration. Henry Hudson attempted to find the Northwest Passage and while he did discover Hudson Bay, has crew mutinied and set him adrift. Finally, in 1906 Roald Amundsen from Norway successfully spent three years traversing the Northwest Passage in an ice-fortified ship. In 1944 a Royal Canadian Mounted Police sergeant made the first single-season crossing of the Northwest Passage. Since then, many ships have made the trip through the Northwest Passage. Geography of the Northwest Passage The Northwest Passage consists of a series of very deep channels that wind through Canadas Arctic Islands. The Northwest Passage is about 900 miles (1450 km) long. Using the passage instead of the Panama Canal can cut thousands of miles off of a sea journey between Europe and Asia. Unfortunately, the Northwest Passage is about 500 miles (800 km) north of the Arctic Circle and is covered by ice sheets and icebergs much of the time. Some speculate, however, that if global warming continues the Northwest Passage might be a viable transportation route for ships. Future of the Northwest Passage While Canada considers the Northwest Passage to be entirely within Canadian territorial waters and has been in control of the region since the 1880s, the United States and other countries argue that the route is in international waters and travel should be free and unhampered through the Northwest Passage. Both Canada and the United States announced in 2007 of their desires to increase their military presence in the Northwest Passage. If the Northwest Passage becomes a viable transportation option through the reduction of Arctic ice, the size of ships that will be able to utilize the Northwest Passage will be much larger than those that can pass through the Panama Canal, called Panamax-sized ships. The future of the Northwest Passage will certainly be an interesting one as the map of world sea transportation may change significantly over the next few decades with the introduction of the Northwest Passage as a prized time- and energy-saving shortcut across the Western Hemisphere.

Wednesday, May 6, 2020

Obsessive Compulsive Disorder ( Ocd ) - 1429 Words

Obsessive-compulsive disorder (OCD) is a psychiatric illness that is characterized by two traits: obsessions and compulsions (Storch et al., 2007). The obsessions are typically thoughts that are both repetitive and intrusive in nature, while the compulsions are actions performed to decrease the anxiety induced by these obsessions. OCD occurs in about 1-4% of the population and often symptoms arise in childhood and can continue throughout one’s life depending on the level of treatment received and the level of family support. Due to the distress that OCD can cause in a child, the noticeability of the obsessions and compulsions, and the fact that the obsessions and compulsions usually involve family members directly, family dynamic can be greatly affected when a child has OCD (Amir et al., 2000). Strains within a family of a child with OCD can negatively impact the child’s mental health outcome between childhood and adolescence; therefore, it is quite important that once OCD has been identified, the family should work together with the child to achieve a healthy mental state. The following studies investigated the relationship between childhood OCD and family functioning and the effects of family involvement on child developmental outcome. In order to understand these relationships, Storch et al. (2007) looked at the impact that childhood OCD had on family dynamic and how family accommodation, reassurance specifically, affected symptom intensity. Reassurance, whileShow MoreRelatedObsessive Compulsive Disorder (OCD)1756 Words   |  8 Pages Obsessive Compulsive Disorder (OCD) is a disorder that can affect children and adults. In order to fully understand OCD, many different areas of the disorder must be reviewed. 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Designing Software Application for Visually Impaired Clients

Questions: 1.As a Software Developer, you are required to Develop Programs that can be readily accessed by a Wide range of Clients.2.Discuss3 Ways in which you, Can use ICT to reduce your Carbon Footprint, and Contribute to Green ICT.3.Which of the Following are Projects, and which are Processes? Explain your answer. (i)Building a Computer, on a Production Line of Identical Computers (ii)Building a House, as One of a Series of Identical houses all over Australia (iii)Upgrading a Computer from Windows 7 to Windows 10 (vi)Upgrading all 120 Computers from Windows 7 to Windows 10 Answers: Designing Software application for Visually Impaired Clients For designing the software application for Visually impaired persons following considerations are took as they cannot control computers through eyes- Using the consistent and standard user Interface Elements This will help the visually impaired persons to use application easily, this can be done by using the operating system supplied controls, toolbars, menus, cursors and other elements. The screen readers are also applied for these kind of applications. Creating a Flexible User Interface This can be done by providing the contrast, cursor blink, sound effects , touch control and other elements to provide the accessibility to the users. Allowing the Full Keyboard Navigation This will help these peoples to control the system functionalities easily, with this applications that are fully keyboard driven with no or minimum pointing device requirement. Label all Icons and Graphics readable through Braille This will help these people to recognize elements easily. Provide adequate time and Sound Messages for support This will help these peoples to work easily. Designing Software application for Hearing Impaired Clients In order to provide support the Hearing Impaired peoples by using following steps- By providing the Library of sign language for the functions and utilities of the application in the software. By providing this facility to these people , these people can understand functionalities easily. By providing hearing aid in the applications . This can be done by providing the hearing aid facility to them according to their capability. By providing system that vibrates on alerting for any fault or any kind of message. This can be done by connecting devices to the system. Most importantly providing more text messages rather than any sound. These peoples will read and can work in better way. 2.Green ICT is the concept of implementing the computing or processing of Information technology in a manner so that it is Environmental Friendly. The objectives of this application is similar to green chemistry. In fact the actual percentage of transferring the co2 by IT Department is 0.2% of total co2 produced in environment. The main Equipments used in the IT are- Desktops and Laptops Printers , scanners , copier, projectors Smart phones, desktop phones Wireless connecting devices Networking Devices Data centre and their devices The factors, that effect the environment in IT are as follows- The way in which the equipments are manufactured. The conditions in which they are manufactured. What type of transport is used to transport them to other places . How much energy is consumed by them . The procedure of disposal of these equipments. The Green ICT is concerned about following issues in concern of environment- The equipments are sustainably manufactured with environment friendly conditions. The equipments should be developed that lasts longer. The equipments consume and waste less energy. The IT equipments should be used in the best way. The disposal of the System should be done in environment friendly way. The Methods to reduce carbon foot print are as follows- By using Systems with centrally connected data centre . By using Pen Drives, CDS and other digital storing devices to store data. By using Email, Fax and other modern methods to reduce paper work. 3.(i)It is a process as production of computers is a project, building a computer in this series is part of this project so this is a process of whole project (ii).Again it is a process as a developing the series of identical houses all over Australia is a project and building a house is a process. (iii)This is a project as it will consist of various processes in it. (vi)This is a project as consist of various processes in it. References HCI Institute, Human Computer Interaction from-- www.hcii.cmu.edu (Accesed on 28-3-2017) Human computer Interaction, from- www.interaction-design(Accesed on 28-3-2017) Human computer interaction, from-www.tandfonline.com (Accessed on 28-3-2017) Technopedia, what is HCI , From-www. technopedia.com (Accessed on 28-3-2017)