...There was a Mama Siberian tiger in the forest with her cub. The cub’s name was Ayla. Mama said, “Ayla, you can go out and play until dinner is done.” “Sweet! Thank you, Mama!” Ayla said cheerfully. “You’re welcome honey!” yelled Mama. She went running out into the fields, trying to catch a butterfly with her paws. While Ayla was trying to catch a butterfly, the butterfly led her into the forest. “Woah! I didn’t realize how far away I am from home,” Ayla said astonishly. She didn’t think she was already inside the forest. When she heard a little roar from a Siberian tiger, just like her. “Who are you?” asked the stirpped Siberian tiger. “Well, I am Ayla! I’m a siberian tiger! Who are you?” happily replied Ayla. “I’m Shia, but if you are a Siberian tiger, why don’t you look like me?” questioned Shia. “I’m not sure. I was just born this way,” said Ayla. “You can’t be a siberian tiger! You don’t look like me and the rest of the Siberian tigers here in the Sikhote Alin Mountains,” Shia said. “I just look different. I’m happy I don’t look like the rest of the Siberian tigers here. That is what makes me unique,” said Ayla. Shia ignored what Ayla had to say and just walked away laughing and roared, “She thinks she is a Siberian tiger like the rest of us. She is a liar! Ha!” Ayla turned around and walked home gloomily. She went over by the pond by Mama. “Why such a long face?” asked Mama. “Some tiger named ‘Shia’ was making fun of...
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...flag collage was by using cut up pieces of magazine pages. The recreation of the American flag contains seven red stripes with the word ‘fight” on the second stripe, and “power” on the last red stripe; also, there are six white stripes with the word ‘freedom” on the third white stripe, “strong” on the fourth white stripe and “unity” on the fifth white stripe. On the Union blue part of the flag is contrasted into three different blues, and using beads as the stars for a different twist. The red stripes defiantly convey contrast going from light red to dark red or dark red to light red. The white stripes have words printed on them from the pieces of the magazine on the stripes instead of just plain white. Expressive lining would also been shown in the flag due to the fact that fight, strong, unity, freedom and power represent the American flag which can also be the focal point as well. As many should know that the thirteen stripes constitute the colonies, the fifty stars well in this case the fifty beads portray the states under the union. The red and white stripes possess some asymmetrical balance because the way the pieces were glued and the beads as the stars possess symmetrical balance. The American flag has different shapes such as the stripes being horizontal going one way and the union being squared. Repetition is also identified on the flag from the stripes to the beads. When recreating the flag Americans take pride into the flag as it illustrates strength and unity. It...
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...Watching television for two hours straight is not something I partake in on a usual basis, but it was interesting to see the elements and principles of design used in the programs and commercials to attract the viewers. I decided to watch a sitcom program, “Seinfeld”, which is nearly the greatest television show in the history of television. During this television show I noticed a lot of use of mass and form and rhythm on the buildings and other things that were shown during the television show. The show takes place in the heart of New York City so during the show; you can see much of the architecture and art that surrounds the big apple. I also see lots of texture on some of the clothing that is depicted on the actors and actresses in the comedy show. Obviously it wasn’t just the program I was watching, I unfortunately had to sit through some pretty boring and irrelevant commercials, but it was intriguing to see all the use of the elements and principles of design in order to promote the product the company is advertising. During the commercials, I definitely found it to be more colorful and more usage of shape than the television program. In order to be able to successfully market the specific product or business in commercials, one needs to make the advertisement attractive, non-controversial, and informational. I believe that I also saw many commercials involving balance and proportion. In order for a commercial to be not all crazy and well done, it should have some balance...
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...MAGNETIC STRIPE TECHNOLOGY I recalled a week before Christmas; I was at the shopping mall buying some clothes, shoes, bags, and gifts for my niece and nephews. Afterwards, I was about to pay to the cashier. Surprisingly, the amount that I purchased was greater than the cash on my hand. I was really nervous that time because it was the first time that happened to me; however, I remembered that I have ATM card on my wallet. I slip out my card from my wallet and gave it to the cashier. She courteously took the card from me and swiped it through a card reader. After a while, the lady on the cashier handed back my card with a receipt and gave me a generous smile while saying, “Thank you, Sir”. In that particular moment, I wondered or you may also wondered, “How did this transaction happen?” or “How can all information be stored on that card?” given the fact that it is just a plastic card. The answer on these questions lies on the back of our card. The black stripe, also known as the magnetic stripe, is what makes this possible. Magnetic stripe technology was invented Fritz Pfeulmer, a German-born audio engineer in 1928. Although it was invented that time, it was not until the early 1960s that the technology found its way to meet the demands of people in metropolitan area. It was then first installed by the London Transit Authority as a mean to aid the increasingly busy London Underground. Its success was spread across the Atlantic Ocean. More so, by the late 1960’s, San Francisco...
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...Lejla Subasic Blunderbuss Review 296 words Jack White, a musical madman, has released his new solo album, Blunderbuss, which he had produced himself. Jack White has always had a nice musical empire going on, from being in numerous bands such as The White Stripes, The Raconteurs and The Dead Weather. Now he really stepped it up by releasing this new album. Blunderbuss is just fueled with great songwriting and fantastic vocals. The album truly shoes his raw and natural talent. Blunderbuss is a bit more experimental then any other musical projects, and you could tell Jack White has evolved through this album. It still has the “Jack White” trademark, it’s just different in a lot of ways. It’s not so focused on his powerful guitar playing, which is what we usually expect, but you’ll still be able to hear the classic Jack White blues overdrive guitar in the background. I’m still surprised this album isn’t a hour long guitar solo, which can be disappointing, but instead, his voice and lyrics are the main center of attention in this album. Although this album still had amazing extra instrumentations. I could tell this album is a “breakup” album. It has an exact theme –more- of loathing women, sort of from a mocking perspective on the role of women in relationships. It seems like it’s based off of his recent divorce with Karen Elson. He really rails against love and threatens murder in his song Love Interrupted. A song that really caught my attention in the album is Missing Pieces...
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...1-68. Assume 6,000 children go to Disneyland today. How much additional revenue will Disneyland receive if it raises the cost of admission from $31 to $41 and lowers the age limit for adults from 12 years old to 10 years old? 2-34. Joy Wigens, who works at Putnam Investments, received a check for $1,600. She deposited ¼ of the check in her Citibank account. How much money does Joy have left after the deposit? 2-36. Lester bought a piece of property in Vail, CO. The sides of the land measure 115 ½ feet, 66 ¼ feet, 106 1/8 feet and 110 ¼ feet. Lester wants to know the perimeter (sum of all sides) of his property. Can you calculate the perimeter for Lester? 2-38. Seventy-seven million people were born between 1946 and 1964. The U.S. Census classifies this group of individuals as baby boomers. It is said that today and every day for the next 18 years, 10,000 baby boomers will reach 65. If ¼ of the 65 and total technology usage for this age group as a fraction. 2-40. Bernie Falls bought a home from Century 21 in Houston, TX that is 9 ½ times as expensive as the home his parents bought. Bernie’s parents paid $30,000 for their home. What is the cost of Bernie’s new home? 2-42. A local Target store bought 90 pizzas at Pizza Hut for its holiday party. Each guest ate 1/6 of a pizza and there was no pizza left over. How many guest did Target have for the party? 2-44. Lionel Sullivan works for Berger King. He is paid time and one-half for Sundays. If...
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...We all know that superheroes are mere results of the imagination of creative artists. These fictional characters possess super powers that are incredible. It would be amazing to have them in the real world. Unfortunately, no matter how hard people pray for these characters’ reality, they will only be for the peoples’ entertainment. But, as I reflected about this, I realized that these superheroes have a special purpose: to strengthen people’s moral values. One great example of a superhero that must be the inspiration of many is Superman. Superman is famous for his big muscles coupled with super strength and other special powers. But, his fans did not base their love and awe on these. First, they love Superman for his humanity despite not being human. Many of his fans even believe that Superman is more human than humans. Humanity here means the sense of people to be a group and not to be ignorant individuals. Superman believes that it is true that humans must climb their own destiny but they still need him to catch them when they fall. This is because he cares unconditionally. Moreover, despite the lurking evil everywhere, he still believes in the inherent good nature of people. Second, Superman, for them, is more than just a crime buster. He is, as his “S” symbol say in Kryptonian, the hope for all. Third, Superman is not a superhero because of his powers. He is a superhero because of his ability to prevail despite how difficult the condition is. Regardless of his tragic childhood...
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...Automated Attendance Tracking System A card reader is an automated system that collects class attendance by students swiping their DeVry ID cards for every scheduled lecture and lab session. The card readers are conveniently located in each classroom and lab. Additional individual instructor policies for determining tardiness and absence are outlined in course syllabi. Remember to swipe your card for every class you attend. Many students have shown absences (especially in labs) for classes that they have been attending because they have forgotten to swipe. Please remember to swipe your card for lecture and lab attendance. If you forget to swipe your card, you may request that your instructor submit an 'Attendance Revision Form' to update your attendance. Check with your instructors (or course syllabus) to find out whether or not their attendance recording policy will allow for modifications after the class session has been conducted. Please do not get into the habit of swiping more than one card. It is in your own best interest to be the one in control of your ID card and your attendance record. Swiping your classmates' cards can be considered a violation of Article III of the student code of conduct and is subject to the disciplinary actions outlined in Article V of the Student Handbook. Students are not allowed to use an instructor's ID code or card to record attendance for a class. This is for your protection. If the instructor is running late, please wait for the instructor...
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...AS Level Module 2 Information: Management and Manipulation Lecture One 11.1 Data Capture Lecturer: Deepak Gautam Email: gautamd@wolverhamptoncollege.ac.uk Room: 120, Wulfrun Campus Telephone: 01902 821133 Overview of Data Capture The process of collecting data in a form suitable for use in an information system is termed data capture. For example, before an electricity board can charge a customer for the use of electricity, the customer’s meter must be read and recorded, or captured, on a suitable form. The data must then be transferred into the computer system by means of an input device appropriate to the method of data capture. Sometimes the data capture form is directly readable by an input device, as, for example, in the case of mark sensitive forms which can be read by optical mark readers (OMRs). On other occasions, the data on the form must be first transferred to a suitable medium by a data entry person using a key-to-storage device. Sometimes the data to be captured is pre-recorded on an item to be sold, as with bar codes, so that a data recording form is not required at all, but in many instances, some sort of data capture form is required. The design of such forms is of great importance, since the clearer and more concise the form, the less chance there is of inaccurate data being recorded. Frequently it is necessary to use questionnaires or observation sheets to collect data for statistical...
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...Magnetic Swipe Card System Security A case study of the University of Maryland, College Park Daniel Ramsbrock dramsbro@umd.edu Stepan Moskovchenko stevenm86@gmail.com Christopher Conroy cconroy@gmail.com Abstract This paper provides a comprehensive security analysis of the Lenel magnetic swipe card system used at the University of Maryland at College Park. We first explore the cards and hardware components which comprise the system, and then present several plausible points and methods of attack on the system. We chose several of these attacks and demonstrated them using a $240 commercial card reader/writer and a customized unit powered by a microcontroller, which cost about $20 in parts. We developed the capability to read cards, write arbitrary data to cards, simulate card swipes through a reader using a flux reversal pattern generator, and “sniff” data from up to 16 live swipes using a single microcontroller which can be easily hidden in the reader's housing. We tested and successfully demonstrated these capabilities on the live Lenel system under the supervision of the university's Department of Public Safety. Based on our findings, we recommend that the university use neither social security nor university ID numbers on the cards, that it use magnetic card access only in low-security areas, and that it use a more sophisticated and secure system such as proximity smart cards for access to high-security areas. While the analysis and recommendations presented in...
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...Assignment 1 Solution 1. Compare and contrast symmetric encryption with public-key encryption, including the strengths and weaknesses of each. Solution Scalability: with public-key encryption, multiple users can send encrypted messages to Alice using her public key and these messages can be decrypted only by Alice; thus, a linear number of publicprivate key pairs need to be established, distributed and protected to allow pairwise confidential communication between any two users; instead, symmetric encryption requires a quadratic number of secret keys. Efficiency: existing symmetric encryption methods are much faster and use much shorter keys than existing public-key encryption methods. Usability: symmetric-key encryption is easier to understand by a non-expert than public-key encryption. 2. Give an example of the false sense of security that can come from using the “security by obscurity" approach. Solution There are many examples. One possibility would be to use a weak encryption algorithm, like the Caesar cipher and try to keep secret the type of algorithm that you are using, in addition to keeping the key secret. The problem with this approach is that if someone guesses you are using such an algorithm or is able to reverse engineering your software, then they will discover your algorithm. From there it is a simple matter to break your weak encryption scheme. 3. Benny is a thief who tried to break into an Automated Teller Machine (ATM) using a screwdriver, but was only...
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...1- Briefly explain Electronic Cash A system that allows a person to pay for goods or services by transmitting a number from one computer to another. Like the serial numbers on real dollar bills, the digital cash numbers are unique. Each one is issued by a bank and represents a specified sum of real money. One of the key features of digital cash is that, like real cash, it is anonymous and reusable. That is, when a digital cash amount is sent from a buyer to a vendor, there is no way to obtain information about the buyer. This is one of the key differences between digital cash and credit card systems. Another key difference is that a digital cash certificate can be reused. 2- Briefly explain ActiveX Control ActiveX control is a control using Microsoft ActiveX technologies. An ActiveX control can be automatically downloaded and executed by a Web browser. ActiveX is not a programming language, but rather a set of rules for how applications should share information. Programmers can develop ActiveX controls in a variety of languages, including C, C++, Visual Basic, and Java. An ActiveX control is similar to a Java applet. Unlike Java applets, however, ActiveX controls have full access to the Windows operating system. This gives them much more power than Java applets, but with this power comes a certain risk that the applet may damage software or data on your machine. To control this risk, Microsoft developed a registration system so that browsers can identify...
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...Magnetic Swipe Card System Security Magnetic Swipe Card System Security A case study of the University of Maryland, College Park Daniel Ramsbrock dramsbro@umd.edu Stepan Moskovchenko stevenm86@gmail.com Christopher Conroy cconroy@gmail.com Abstract This paper provides a comprehensive security analysis of the Lenel magnetic swipe card system used at the University of Maryland at College Park. We first explore the cards and hardware components which comprise the system, and then present several plausible points and methods of attack on the system. We chose several of these attacks and demonstrated them using a $240 commercial card reader/writer and a customized unit powered by a microcontroller, which cost about $20 in parts. We developed the capability to read cards, write arbitrary data to cards, simulate card swipes through a reader using a flux reversal pattern generator, and “sniff” data from up to 16 live swipes using a single microcontroller which can be easily hidden in the reader's housing. We tested and successfully demonstrated these capabilities on the live Lenel system under the supervision of the university's Department of Public Safety. Based on our findings, we recommend that the university use neither social security nor university ID numbers on the cards, that it use magnetic card access only in low-security areas, and that it use a more sophisticated and secure system such as proximity smart cards for access to high-security areas. While the...
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...father who believed in it. CHAPTER 1 Once upon a time A tiny striped caterpillar Burst from the egg Which had been home For so long. “Hello world,” he said. “It sure is bright out here in the sun.” “I’m hungry,” he thought and straightaway began to eat the leaf he was born on. And he ate another… and another….and another. And got bigger…and bigger….and bigger…. Until one day he stopped Eating and thought, “There must be more to life that just eating and getting bigger. “It’s getting dull.” So Stripe crawled down From the friendly tree Which had shaded and fed him. He was seeking more. There were all sorts of new things to find. Grass and dirt and holes and tiny bugs – each fascinated him. But nothing satisfied him. When he came across some other crawlers like himself he was especially excited. But they were so busy eating They had no time to talk – Just as Stripe had been. “They don’t know any more about life than I do," he sighed. Then one day Stripe saw some crawlers really crawling. He looked around for their goal and saw a great column rising high into the air. When he joined them he discovered…. ….the column was a pile of squirming, pushing caterpilalrs – a caterpillar pillar. It appeared that the...
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...The males have two white stripes on the edges of the cephalothorax; whereas the female has white stripes at the ends of the legs (Lin, Zhang, Liao, Hebets and Tso, 2015). These sexually dimorphic traits can be used in reproduction by attracting mates through the visual components found on each spider and may be used in the mating of the spiders (Lin, et.al. 2015). When females select a male, the attractiveness is correlated with the diet of the male (Lin, et.al. 2015). Possessing a distinct colour can also function in some organisms, as a mean of luring prey, especially in nocturnal arthropods (Lin, et.al. 2015). Lin, et.al. (2015) hypothesized that the white area found on the...
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