Android’s operating system review

Android’s operating system review Android’s operating system is extremely safe and really hard for malicious users to get into other peoples phones and corrupt them without the user granting them permission but this wasn’t always the case. As the Linux kernel can be accessed directly this means developers have to use advanced software and hardware to ensure integrity of applications, data and the network is kept also confidentiality. Main security features incorporated by Android to protect the phone or tablet is the Google Play app this where users download majority their applications from. Google play now has a license verification and Google Play Protect which scans apps when you download them from the app store. Android also have an app and a website to locate if a device is stolen/lost. It also has a feature that when you download from a website for example and the device can’t verify the application certificate it has a pop up that users have to untick to allow installation from an unknown source. Also the device if enabled can go through periodic scans that will inform a user of potentially harmful apps. This is shown in the diagram. Androids basic security features presented is a pin, password and pattern or in some of the newer devices can be unlocked via the users face. One service that Android phones offer is device encryption. This involves scrabbling the data on the device and only when the device is presented with the correct key could you access the data for example a password or pin. If a user doesn’t enter the correct pass after a certain amount of tries users are sometimes able to set an erase all option. Android uses dm-crypt to encrypt the data. This encrypts data all the way down to the root file system thus working at the kernel level and has a 128 bit algorithm. It allows the whole disk to be encrypted. However once this encryption key is set there is no option to change it without a hard reset of the device and losing all of the data. Newer Android versions have incorporated fast encryption meaning you are prompted to enter your key in at start up, this leads to a slightly long time to get the device started. On the application level Android has introduced sandbox security and permission. Sandbox is an old concept and originated from the UNIX operating system which would split file permissions from processes. This means once the application is up and running unless granted permission by the user the application stays in its parameters and run on a virtual machine. This ensures one app doesn’t have access to another app. It sort of works like a sand toy i.e. once sand is in the toy unless the child allows the sand to come out the sand will never leave the sand boxes walls. This is seen when users first download their app from the Play Store or once downloaded the go to the applications settings and can edit it from there. For example simple applications like a photo editing application shouldn’t be accessing your phone but however it may need to access your storage such as photos or videos, it may also ask for permission to access your camera. With Android there isn’t a specific way an app has to enforce its security. Due to the apps being â€Å"sandboxed† at OS memory corruption doesn’t occur, this also means the native code at the Linux kernel is just as secure as the code operating on the â€Å"virtual machine†. Authentication is being able to identify the user or users and allowing them access to the system. Android uses â€Å"user-authentication-gated cryptographic keys†. On initial start-up authenticator tokens are available to receive information from the user. Users on Android must use a pin/pattern or password. This then generates a 64bit User SID. This works as the â€Å"key to the lock†. This 64Bit code is paired with the users’ password/pin or pattern. When users want to change this they must provide the original password thus giving the original 64bit user SID. If they don’t provide the exact key all the information hidden by the key is lost and this is what is known as an â€Å"untrusted enrol†.

Behavioval Science and Human Relations Term Paper

Behavioval Science and Human Relations - Term Paper Example It is considered that each of these internal systems possess specific control behaviors. It is assumed that the probabilities of transition between these internal states predict human behaviors in varying social contexts. The trends in these interstate transitions are calibrated and hierarchically organized by behavioral scientists to understand long term and short term human behaviors. It is these two ranges of behaviors which makes the foundation for human behavior and human relations. Such a modeling of human behavior can be helpful in many ways. These models can be used to develop human-machine systems which can assess and recognize human behavior. This could even be used to predict human behavior. Here the requirement is to have inputs for this system on the internal human states. However, the challenge here is that these human states are not readily observable. These internal states are to be estimated through an indirect estimation process. There are several researches on beha vioral science which has led to the designing of models which can estimate these internal human states. For instance, Pentland & Liu (199) has used a model termed Hidden Markov Model (HDD) to undertake this assessment and were able to recognize human driving behaviors and predict the pattern of human control states. It has been claimed that they were able to do accurate predictions and anticipate human behavior even up to few seconds in future. Behavioral science uses several human systems to analyze human behavior and relations. It has been recorded that human behaviors like speech, handwriting and hand gestures can be precisely recognized through some of the assessment models(Pentland & Liu, 1999). However, very detailed properties like smoothness and continuity are required to go up to the level of accurate simulation and prediction. Sharper models are required to capture the additional properties of smoothness and continuity. The application of these behavioral models in managem ent is based on the basic theory that every employee moves within his own unique system of human behavior. These are further influenced by the cultural, environmental and the experience based conditioning of each individual. It is important to understand these factors as it is these factors which make an individual to react in a particular when it comes to human relations. Thus it is important in management to understand these factors. It is these factors which constitutes that particular individual’s behavioral system. Thus if one could identify the factors within the behavioral system of an individual, the management will be in a position to predict that individual’s response in a given situation. The Human Relations approach The consideration of human behavior and elementary drivers of human behaviors in management has evolved as different school of thought in management, which is termed to be the human relations approach (Likert, 1961). This school of thought is ho wever, contradictory to the conventional management concepts. While the conventional management theories rely on rationalizing of management processes, the human relations approach leaves ample space for human behavior and emotions within in management. In simpler words, classical theories of management quantify work and work routines through tangible markers whereas the human relations approach accommodates emotional and relational needs of individuals

Discuss Reproductive Alternatives Research Paper

Discuss Reproductive Alternatives - Research Paper Example Georgia Reproductive Specialists (n.d.) stated, ‘The procedure, called Transvaginal Oocyte Retrieval, requires neither hospitalization nor general anesthesia. In order to prepare a proper environment in the woman and to increase the chances of recovering several healthy and mature eggs, the woman will undergo about two weeks of intensive preparation. This will include hormonal therapy with "fertility drugs." Blood tests and ultrasound scans of the ovaries are used to determine the optimal time to retrieve the eggs from the ovary. This optimal time is just before ovulation when the oocytes are almost ready for fertilization. At the proper time, an outpatient procedure under local anesthesia will allow the females eggs to be visualized by ultrasound and retrieved from the ovary by placing a needle through the vaginal wall. Usually, the eggs will develop into cleaving pre-embryos, whose cells divide 2 or 3 times to become preimplantation embryos (pre-embryos). Using a special cath eter, the couples pre-embryos will be passed through the vagina and into the uterus at the time the pre-embryos would normally have reached the uterus (2+ days after retrieval). After the pre-embryo placement in the uterus, the patient will lie quietly in a bed for about an hour, and then will return home.’ The process of Transvaginal Oocyte Retrieval can actually bring about emotional stress and even anxiety. Like other alternatives, it does not guarantee a hundred percent accuracy. It is also said to have serious side effects, however, drawbacks can be prevented once those are immediately detected. Another option that is becoming popular is the surrogate mothering. Malpani, Annirudha and Malpani, Anjali wrote, ‘The word "surrogate" means substitute or replacement and a surrogate mother is one who lends her uterus to another couple so that they can have a baby. In the West where fewer and fewer babies are offered for adoption, surrogacy is gaining popularity, despite

Budget Deficit & National Debt :: essays research papers

The purpose of this paper is to discuss the short- and long-term effects of current budget deficits and the nation debt. In order to do this; I first had to find out exactly what they were. I will also discuss whether I think the government should operate with a balanced budget. Budget deficit is the amount by which total government spending is more than government income during a specified period; the amount of money which the government has to raise by borrowing or currency emission in order to make up for the shortfall in tax revenues. National debt denotes the total sum of the outstanding debt obligations of a country's central government. I discovered that many people use the term somewhat more broadly to refer to the total indebtedness of all levels of government, including regional and local governments and sometimes also the indebtedness of government owned business entities such as local transit and communications systems or nationalized industries as well. The national debt represents the accumulated total of all the government budget deficits of past years, less the accumulated total of all the government budget surpluses of past years. In the United States, the national debt consists almost entirely of interest-bearing "IOU" instruments that are usually re-sellable on organized financial markets such as, for example, U.S. bonds, U.S. treasury notes, and U.S. treasury bills. These IOUs are originally purchased from the Treasury by private individuals, private corporations, insurance companies, pen sion funds and banks (both inside the United States and outside its borders), and the Treasury then uses the money it raised to bridge its spending gap when its budget is in deficit. The Treasury also sells IOUs to other Federal agencies that operate so-called trust funds -- primarily the Social Security Administration and other Federal retirement programs. The complication here is that since this is money that the government "owes to itself," it is not counted as part of the national debt in any realistic system of accounting. I find this to be really strange. Money to pay the annual interest owed to the owners of the government's debt instruments has to be provided through appropriations in every year's Federal budget. These interest payments on the national debt constitute as one of the largest spending categories in the budget. Gross Domestic Product (GDP) is an estimate of the total money value of the entire final goods and services produced in a given one-year period using the factors of production located within a particular country's borders.

What are Robots and how are they being used now days?

Introduction:Robots are becoming the most reliable and used man-made tools in many aspects of human life (Peter, H. 2013). Robots are mechanically self operated tools that can help us in manufacturing and in difficult surgeries such as fixing something really small that cannot be held or seen by humans. This article will explain the importance of robots and its role in making human life easier. However, we must understand that Robots will never replace humans in all aspect of live.Helpful Things that Robots do:The Robot is a tool that can do different and difficult types of jobs such as in hospitals and manufacturing. Some people feel like its more safe to let the robot do a surgery because it is very accurate. Robot can also build tiny things in manufacturing because they are faster and more accurate than humans. In some countries Robots are being used to replace house animals like dogs, cats, rabbits, rats, guinea pigs and others. These Robot Pets are machines rather than living th ings and can give their owners plenty of fun and they can also teach us about real animal (Parker, S. 2010). Some robots are great fun and many people like to play with them because they are more challenging and fun to play with. For example, when you play Chess against a Robot it can defeat you very easily because it can think ahead of every move it can make to win the game.Disadvantage of Robots:Robots have also many drawbacks such as it uses a lot of power to function properly. Also, if the power is out, the robot will not function. Another drawback is that the robot cost a lot of money to be built for a specific job. However, in the coming years as technology is improving, Robots will become more and more part of our day-to-day life and cheaper to have. As Robots become more reliable, it will take over many tasks that are currently only being handled by humans. This is one of the main reasons for the increased of unemployment now a days and more will be expected in the future as the technology continue to improve.Conclusion:Now days Robots are very helpful and widely used in many aspects of our day-to-day life. They are considered smart tools that can be programmed to perform certain tasks that are normally handled by humans in a faster and more accurate way. However, we must understand that Robots will never replace humans in all aspects of life. At the end of the day they are only machines that are created by humans!

A Separate Peace Finny - How Things Change Essay

A Separate Peace: Finny - How Things Change nbsp;nbsp;nbsp;nbsp;nbsp;In the novel quot;A Separate Peace,quot; by John Knowles, a boy named Gene visits his high school 15 years after graduating in order to find an inner peace. While attending the private boys school during the second World War, Genes best friend Phineas died and Gene knows he was partially responsible. Phineas, or Finny as he was sometimes called, was the most popular boy in school. He was a handsome, taunting, daredevil athlete. Gene, on the other hand, was a lonely, self-sufficient intellectual. Somehow the two became good friends, or so Finny thought. Gene, unfortunately, was bitten by the green-eyed monster of jealousy. Gene just couldnt come to grips with†¦show more content†¦Unfortunately, this all added up to a point where jealousy overcame Gene and caused him to injure Finny. Gene and Finny had started a Super Suicide Society which included a jump from both Finny and Gene at the beginning of every meeting. This time Finny came up with the idea that they both jump at the same time. They were in the tree with Finny farther out on the jumping limb when Genes quot;...knees bent and I jounced the limb.quot; Finny fell and shattered his leg. Gene became overwhelmed by sorrow because he had caused his best friend to shatter his leg. The most athletic person in the school could no longer play sports. Gene eventually got up the nerve to go to Finny and tell him the truth about causing the fall. However when he got to him it was Finny who apologized, saying, quot;Im sorry about that, Gene,quot; Meaning, he regretted the feeling he had that Gene had actually caused him to fall. Finny believed that a friend would never do a thing like that. nbsp;nbsp;nbsp;nbsp;nbsp;Finny was a great person and one of his best qualities was his ability to forgive. Gene and Finny became friends again once Finny was able to return to school. All seemed well until the boy in the room across the hall started to get suspicious that Finny didnt accidentally fall out of the tree. He wound up tricking Gene and Phineas into going to a investigation to find out what really happened. The investigation included the testimony of aShow MoreRelatedAnalysis Of A Separate Peace 901 Words   |  4 Pages Devon had many incidents that occurred during the summer session and the regular school year. â€Å"Peace had deserted Devon† (Knowles pg.72). A tree, showing symbolism, has a big part in the story, A Separate Peace. The events happening during the summer session and regular school session, hinted foreshadowing, for later events to come. In Devon’s school, multifariously terminus students have a distinct story and oblique events tremble throughout the school. The students attending Devon have been throughRead More A Separate Peace - Symbolism Essay examples1597 Words   |  7 Pages In John Knowle’s A Separate Peace, symbols are used to develop and advance the themes of the novel. One theme is the lack of an awareness of the real world among the students who attend the Devon Academy. The war is a symbol of the quot;real worldquot;, from which the boys exclude themselves. It is as if the boys are in their own little world or bubble secluded from the outside world and everyone else. Along with their friends, Gene and Finny play games and joke about the war instead of takingRead MoreArchetypal Critic on John Knowles’ A Separate Peace1163 Words   |  5 Pagesrepresent a typical human experience that is passed down from generations to generations, creating its originality. In â€Å"A Separate Peace†, John Knowles uses many archetypes to enrich the personality of his characters, especially Gene and Finny based on common human experiences. By embodying the archetypes of the Fall from Innocence, the Unhealable, and the Crossroads in â€Å"A Separ ate Peace,† John Knowles was successful in establishing the theme for the novel which implies that the guilt which is begottenRead More A Separate Peace Essay example1149 Words   |  5 Pages A Separate Peace: by John Knowles nbsp;nbsp;nbsp;nbsp;nbsp;During World War II in the struggle for peace among nations comes a smaller, but still significant struggle, in a prep school boy becoming a man and waking up to reality. nbsp;nbsp;nbsp;nbsp;nbsp;In the book A Separate Peace, the author John Knowles, creates the image of two sixteen-year old boys struggling to keep what little sense of peace they know, even though there is a war going on all around them. Gene Forrester, theRead MoreEssay on A Separate Peace: Friends or Foe?1117 Words   |  5 PagesDuring the 1940’s in America, times were hard. It was a time of war. In this period of history, people found themselves looking for peace and innocence. John Knowles’s A Separate Peace illustrates a boarding school, one of the only places left to find peace, where the main characters, Gene and Phineas, face their own internal wars with each other. Starting out their friendship seems strong and everlasting but as the novel progresses, like all friendships, the fire between them seems to dwindle. AlthoughRead MoreFrom Innocence to Experience1156 Words   |  5 PagesTransformations occur all throughout life, from developing pimples as an adole scent, to a midlife crisis that changes everything. In John Knowles’ novel A Separate Peace, there is a transformation in all key elements of the book, from the rivers, to the tree, to the characters. Three specific young men experience change not just because of the transitions through adolescence. These changes also come about because of war, an injury, and guilt. All of these transformations are specifically seen in LeperRead MoreA Separate Peace By John Knowles1529 Words   |  7 PagesWar is a destructive force whose nature is to destroy all things and change lives forever. It is a whirlpool that sucks everything in and is fueled by hatred and violence. Whether one is directly involved in the battlefield or waiting to see the outcome, war has the capacity to affect all people. It can harden one beyond their years and force them to grow, seeing conflicting sides of good and evil. A Separate Peace by John Knowles narrates the story of young boys growing up with World War II as theRead MoreA Separate Peace Essay 11996 Words   |  4 PagesA Separate Peace Essay Betrayal, one of the most horrible things you could do to anyone your family, a friend anyone. To me it’s one of my all time most hated things a person could do and it’s almost unforgivable. In this book A Separate Peace by John Knowles two boys Phineas and Gene who are best friends at a boarding school in New Hampshire experience some of the worst kinds of Betrayal you could think of. Gene commits a very bad betrayal when he jousts the tree limb they are bothRead MoreTheme Of A Separate Peace And Dead Poets Society1103 Words   |  5 Pages At some point in life, one will learn of the major consequences of not thinking situations through and in turn, the importance of having friends to help overcome difficulties caused by this. Knowles, author of A Separate Peace, and the 1989 film, Dead Poets Society, make similar points and develop comparable themes throughout the stories. Both make a point about the major consequences that come with risky or not well thought out actions. Secondly, each have the idea of the importance of findingRead MoreEvil Vs. Good And Evil1055 Words   |  5 Pagesevil are two very separate things, they could not exist without each other. Good is anything of which can be morally right. Evil is anything of profound wickedness. They are very different, aren’t they? Now, read a newspaper, listen to a story, or turn on the news. It is not definite, but you most likely will hear about an occurrence that caused someone harm. Nowadays, people mostly hear about slashing in the streets, kidnappings, murders, and so many more gruesome things. These are all

Whats Wrong With Fish Farms - Animal Rights

There are plenty of things wrong with fish farming, but lets start with the fact that we now know without a doubt that fish are sentient beings. That alone makes fish farming a bad idea. In an article published on May 15, 2016, in the New York Times, author of What a Fish Knows  Jonathon Balcome  writes about the intelligence and sentience of fish. From an animal rights standpoint, thats a pretty good reason to criticize fish farms. Setting aside for the moment that fish farms are inherently wrong because they kill fish, lets look at what the industry is really about. While some believe that fish farming is the solution to overfishing, they do not take into account the inherent inefficiency of animal agriculture. Just as it takes 12 pounds of grain to produce a pound of beef, it takes 70 wild-caught feeder fish to produce one salmon on a fish farm. Time magazine reports that it takes 4.5 kg of ocean-caught fish to produce 1 kg of fishmeal that is fed to a fish on a fish farm. Floating Pig Farms Regarding fish farms, Daniel Pauly, professor of fisheries at the University of British Columbia in Vancouver states, Theyre like floating pig farms . . . They consume a tremendous amount of highly concentrated protein pellets and they make a terrific mess. Rosamond L. Naylor, an agricultural economist at Stanfords Center for Environmental Science and Policy explains about aquaculture, â€Å"We are not taking strain off wild fisheries. We are adding to it.† Vegetarian Fish Some people are catching on, and recommending that consumers choose farmed fish who are mostly vegetarian, to avoid the inefficiency of feeding wild-caught fish to farmed fish. Scientists are even trying to develop (mostly) vegetarian food pellets to feed to carnivorous fish on fish farms. However, eating vegetarian farmed fish looks environmentally acceptable only when compared to eating carnivorous farmed fish. There is still the inherent inefficiency of feeding soy, corn or other plant foods to animals, instead of using that plant protein to feed people directly. There is still the matter of fish having feelings, emotions and intelligence once thought to be only the province of land animals. Some experts posit that fish feel pain and if thats true, vegetarian fish are just as capable of feeling pain as carnivorous fish. Waste, Disease, and GMOs In June 2016, an episode on The Dr. Oz Show dealt with genetically modified salmon. Although the FDA approves it, Dr. Oz and his experts believe there is reason for concern. Many retailers are refusing to sell genetically modified farmed salmon, Oz said. Regardless of whether the farmed fish are eating fish or grain, there is still a variety of environmental problems because the fish are raised in confinement systems that allow waste and water to flow in and out with the oceans and rivers in which they are located. While fish farms cause many of the same problems as factory farms on land – waste, pesticides, antibiotics, parasites, and disease – the issues are magnified because of the immediate contamination of the surrounding ocean water. There is also the problem of farmed fish escaping into the wild when nets fail. Some of these farmed fish are genetically modified, which forces us to ask what happens when they escape and either compete with or interbreed with wild populations. Eating land animals also causes problems for marine life. Vast amounts of wild-caught fish are being fed to livestock on land, mostly pigs and chickens, in order to produce meat and eggs for human consumption. Runoff and waste from factory farms kill fish and other marine life and contaminate our drinking water. Because fish are sentient, they have a right to be free from human use and exploitation. From an environmental standpoint, the best way to protect fish, marine ecosystems and all ecosystems is to go vegan.