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Free research papers and essays on topics related to: symmetric

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  • African Museum - 1,576 words
    African Museum Wesam Berjaoui April. 01, 2000 Professor Gloster-Coates History 132 CRN# 24386 Museum Project The first museum I went to was my favorite. I went to the Museum for African Art displaying the Hair exhibit. The name of the exhibit sounded very uninteresting, but I was proven wrong. The first thing that I learned from this exhibit is that in Africa the way your hair is done represents your position in society. Your hair was probably one of the most important if not thee most important thing to an African person. A person was distinguished into which clan or group he or she was in by his or her hair style. If you were a very wealthy person your hair was extremely well done to make ...
    Related: african, african art, african people, metropolitan museum, museum
  • Cryptography - 318 words
    Cryptography Cryptography Cryptography is way you can keep information secure. A person who does not know the method used to change the information to keep it secure cannot copy the method used or reverse the change. The basic components of cryptographic systems are used to encipher (scramble) information so that it is difficult to determine the meaning without the appropriate key or key(s) to decipher (unscramble) the information. The components include cryptographic algorithms (mathematical functions) for enciphering or deciphering information and keys. Symmetric and asymmetric are two examples of cryptographic systems. Symmetric systems use the same key to encipher and decipher. Asymmetri ...
    Related: cryptography, third party, digital signatures, varying, symmetric
  • Digital Subscriber Line - 766 words
    Digital Subscriber Line Digital Subscriber Line new technology that takes advantage of standard copper telephone line to provide secure, reliable, high-speed Internet access. DSL refers to the family of digital subscriber line technologies, such as ADSL, HDSL, and RADSL. Connection speed for DSL ranges from 1.44 Mbps to 512 Kbps downstream and around 128 Kbps upstream. Unlike traditional connections DSL such as analog modems and IDSN, DSL deliver continuous "always on" access. That means multimedia-rich websites, e-mail, and other online applications are available anytime. DSL makes it possible for you to remain online even while youre talking on the telephone-without jeopardizing the qualit ...
    Related: digital, subscriber, internet users, cable modems, bandwidth
  • Dos And Unix - 1,800 words
    ... commands. The rest of MS-DOS consists of a number of utility programs. Although DOS had cornered the PC market, UNIX was still dominant on the larger workstations. The birth of UNIX in 1969 provided the world with its first modern operating system. An interactive multi-user operating system, UNIX was initially developed by programmers for their own use. Working for Bell Laboratories, Ken Thompson and Dennis Ritchie created UNIX as an operating system for the PDP-7 computer. Designed as a simplification of an operating system named Multics, UNIX was developed in Assembly language, a primitive computer language specific to one type of machine (Osiris, 1). However, Thompson developed a new ...
    Related: unix, unix operating system, operating system, online accessed, incorporate
  • Economic Geography - 3,484 words
    Economic Geography ECONOMIC GEOGRAPHY ECONOMIC GEOGRAPHY INDEX: 1) Introduction 2) Historical Path 2.1 Germanic Geometry 2.2 Social Physics 2.3 Cumulative Causation 2.4 Local Extenal Economies 2.5 Land Rent and Land Use 3) Krugma ECONOMIC GEOGRAPHY INDEX: 1) Introduction 2) Historical Path 2.1 Germanic Geometry 2.2 Social Physics 2.3 Cumulative Causation 2.4 Local Extenal Economies 2.5 Land Rent and Land Use 3) Krugman's model 3.1 What is about 3.2 The formal model 3.3 Summary 4)Conclusion 4.1 What do we learn? 4.2 Central and periphery in Europe today 4.3 Concluding thoughts ECONOMIC GEOGRAPHY 1. INTRODUCTION During the 1960's and 1970's International trade theory was almost entirely domina ...
    Related: economic analysis, economic geography, european economic, geography, international trade
  • Encryption - 713 words
    Encryption The electronic age has brought forth many technological advances. With these advances came the need for security and tighter control on how we send information electronically over the Internet or through a network. Date encryption is, in its simplest terms, the translation of data into a secret code. In order to read an encrypted file, the receiver of the file must obtain a secret key that will enable him to decrypt the file. A deeper look into cryptography, cryptanalysis, and the Data Encryption Standard (DES) will provide a better understanding of date encryption. Cryptographic Methods There are two standard methods of cryptography, asymmetric encryption and symmetric encryption ...
    Related: data encryption, encryption, u.s. government, national institute, communications
  • Frank Lloyd Wright - 1,491 words
    Frank Lloyd Wright The way you live is being directly influenced by Frank Lloyd Wrights innovations in residential architecture. Mr. Wrights organic architecture was a radical departure form the traditional architecture of his day, which was dominated by European styles that dated back hundreds of years or even millennia. He contributed the Prairie and Usonian houses to the familiar of American residential design, and elements of his designs can be found in a large proportion of homes today. While most of his designs were single-family, his collections include houses of worship, skyscrapers, resorts, museums, government offices, gas stations, bridges, and other masterpieces showing the diver ...
    Related: frank, frank lloyd, frank lloyd wright, lloyd, lloyd wright, wright
  • Lyme Disease Lyme Arthritis Lyme Disease Is A Ticktransmitted Inflammatory Disorder Characterized By An Early Focal Skin Lesi - 1,265 words
    Lyme Disease Lyme Arthritis ~~~~~~~~~~~~~~ Lyme disease is a tick-transmitted inflammatory disorder characterized by an early focal skin lesion, and subsequently a growing red area on the skin (erythema chronicum migrans or ECM). The disorder may be followed weeks later by neurological, heart or joint abnormalities. Symptomatology ~~~~~~~~~~~~~~ The first symptom of Lyme disease is a skin lesion. Known as erythema chronicum migrans, or ECM, this usually begins as a red discoloration (macule) or as an elevated round spot (papule). The skin lesion usually appears on an extremity or on the trunk, especially the thigh, buttock or the under arm. This spot expands, often with central clearing, to ...
    Related: arthritis, characterized, disorder, focal, inflammatory, lyme, rheumatoid arthritis
  • Mathematical Codes - 1,508 words
    Mathematical Codes Mathematical Codes Mathematical codes are used by millions everyday for a variety reasons, but all intending to keep something private. The coding theory has actual applications in consumer electronics and with other areas of mathematics. Encryption, which involves enciphering and encoding, is used to protect data against organized crime, government and multinational institutions. A use of arithmetic, prime numbers, and prime factorization is used within coding theory. The study of enciphering and encoding, and deciphering and decoding is called cryptography (Gardner 17). Encryption is encoding or enciphering a message so that the contents are hidden from outsiders (Frsen ...
    Related: codes, mathematical, good idea, organized crime, institutions
  • Origins And Bibliography Of The Big Bang Theory - 1,935 words
    Origins and Bibliography of the Big Bang Theory ORIGINS: Background & Bibliography ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Assembled for the PHILOsophy Conference of: Computer Connection PO Box 382 BBS (609) 784-9404 Voorhees, NJ 08043 by T.A. Hare Nov. 13, 1985 Topic: Areas of interaction between philosophy, science, andreligion. Part I - Big Bang (Astronomy) Part II - Unified Field (Particle Physics) Part III - Evolution (Biology). Part IV - Theologic interaction - - - - Part II - Unified Field Theory of Particle Physics: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ And God said, "Let there be an expanse between the waters to separate water from water." (Gen. 1:6) And God said, "Let the water unde ...
    Related: bang, bang theory, big bang theory, field theory, general theory, theory of relativity
  • Postulates And Theoroms - 882 words
    Postulates And Theoroms P1-Ruler Postulate. P2-seg. add. postulate. P3-Protractor postulate. P4-angle add. postulate. P5- A line contains at least two points; a plane contains at least 3 points not all in one line; space contains at least 4 pints not all in one plane. P6- Through any 2 points their is excatly 1 line. P7-Through any 3 points there is at least one plane , and through any three noncollinear points there is exactly one plane. P8- If two points are in a plane the the line that contains the points is in that plane. P9-If two intersect, then their intersection is a line. T1-1-If tow lines intersect then they intersect in exactly one point. T1-2-Through a line and a point not in the ...
    Related: intersect, substitution, congruent
  • Pretty Good Privacy - 1,301 words
    Pretty Good Privacy PGP stands for "Pretty Good Privacy." It is an encryption program. What encryption does is hide information from people who do not know the "secret word" to reveal the information. Louis J. Freeh, the Director of the Federal Bureau of Investigation, says the honest have nothing to hide, and only criminals would use encryption. The honest, goes the implication, have no need of encryption. Let us think about that, for just a minute. The honest have no need of encryption: they can live completely open lives, and this is desirable. Their virtue is their defense. This is an attractive argument, but let us see where it takes us. By this same reasoning, the honest have no need o ...
    Related: pretty good privacy, privacy, legal process, copyright infringement, lawful
  • Pretty Good Privacy - 1,370 words
    ... ses out of my business. If there is a legitimate need to know the information, the neighbor can force the issue in any number of ways: complain about me to the police, sue me and go through discovery, subpoena my employer, and so forth. But if it is just purient curiosity, they are out of luck. And I really feel no need to satisfy someone else's purient curiosity. Wink, wink, nudge, nudge -- what's it like?, as the Monty Python sketch put it. I am just a normal person. I am not even particularly privacy conscious: I never go around in sunglasses, a trenchcoat with the collar turned up, and a hat pulled down. I do not have a second identity and a bank account in Euros. When someone asks m ...
    Related: pretty good privacy, privacy, digital signatures, different ways, license
  • Romeo And Juliet With West Side Story - 390 words
    Romeo And Juliet With West Side Story William Shakespeares Romeo and Juliet and Arthur Laurents West Side Story are very similar in comparison. The characters in both these tragic stories are almost symmetric in what kind of role they play and how they interact. Even the plot is generally the same except for the changes made due to the setting. Because of my fascination of middle age Europe, I enjoyed Romeo and Juliet more. Romeo and Juliet is a story of star-crossed lovers whose tragic end show their families the extent of damage that hate can do. They setting of this play is 14th century Verona, Italy. Two wealthy families, Montague and Capulet, have a growing hate for each other. Romeo an ...
    Related: juliet, romeo, romeo and juliet, side story, west side
  • Securing Clientserver Transactions - 1,216 words
    Securing Client/Server Transactions Securing Client/Server Transactions Securing Client/Server Transactions The three basic ways that security is implemented in the area of client/server transaction. The first area is firewalls. The basic idea of a firewall to monitor traffic from a trusted network ( a company's internal network) to an untrusted network (such as the Internet). Firewalls fall into two categories, "proxies" and "packet-filtering" firewalls. Packet-filtering determines whether a packet is allowed or disallowed depending on the source of the packet and the contents of it. Packet-filtering also looks at the source and destination ports, and to determine if a packet is part of an ...
    Related: business transactions, securing, user interface, credit card, bean
  • Security On The Web - 1,337 words
    ... ed screening systems to reduce the damage that could happen if a subnets routing tables got confused or if a systems Ethernet card malfunctioned. When companies began connecting to what is now the Internet, firewalls acted as a means of isolating networks to provide security as well as enforce, otherwise known as an administrative boundary. Early hackers were not very sophisticated; neither were early firewalls. Today, firewalls are sold by many vendors and protect tens of thousands of sites. The products are a far cry from the first-generation firewalls, now including fancy graphical user interfaces, intrusion detection systems, and various forms of tamper-proof software. To operate, a ...
    Related: computer security, internet security, network security, network layer, internet works
  • Theorems - 816 words
    Theorems Postulate1-3--given AB and a # r between 0 and 180, there is exactly one ray w/ endpoint A, extending on each side of AB, such that the measure of the angle formed is r postulate1-4--if r is in the interior of pqs, then Mpqr+Mrqs=Mpqs.if Mpqr+Mrqs then R is in thr interior of angle pqs postulate 2-2--through any 3 points not on the same line there is exactly one plane law of detachment--if P--*Q is a true conditional and P is true, then Q is true law of syllogism--if P--*Q and Q--*R are true conditionals, then P--*R is also true theorem2-1--congruence of segments is reflexive, symmetric and transitive theorem2-2--if 2 angles form a linear pair, then they r supplementary angles theor ...
    Related: intersect, remote, angle
  • Theorems - 815 words
    Theorems postulate1-3--given AB and a # r between 0 and 180, there is exactly one ray w/ endpoint A,extending on each side ofAB, such that the measure of the angle formed is r postulate1-4--if r is in the interior of pqs,then Mpqr+Mrqs=Mpqs.if Mpqr+Mrqs then R is in thr interior of angle pqs postulate 2-2--through any 3 points not on the same line there is exactly one plane law of detachment--if P--*Q is a true conditional and P is true,then Q is true law of syllogism--if P--*Q and Q--*R are true conditionals,then P--*R is also true theorem2-1--congruence of segments is reflexive,symmetric and transitive theorem2-2--if 2 angles form a linear pair, then they r supplementary angles theorem2-3- ...
    Related: quad, congruence, conditional
  • What Is Operating System - 824 words
    What is Operating System? An operating system is a program that acts an intermediary between a user of a computer and the computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs. The main purpose of an operating is to make the computer system convenient to use and user can the computer hardware in an efficient manner. An operating system is similar to a government. The components of a computer system are its hardware, software, and data. The operating system provides the means for the proper use of these resources in the operating system. Like a government, the operating system performs no useful function by itself. It simply pr ...
    Related: computer system, operating, operating system, operating systems, windows operating system
  • Windows Nt - 1,164 words
    Windows Nt Windows NT Operating System Windows NT History. Since it was first released in 1993, Microsoft Windows NT Server has established itself as the network operating system (NOS) of choice for countless organizations of all sizes in private industry and public agencies. They have discovered that Windows NT Server is extremely reliable, highly scalable, and capable of handling the complex, mission-critical demands of even large Fortune 500 corporations. But the widespread adoption of Windows NT Server stems from more than just its operating system capabilities. What IT managers in every industry are discovering is that Windows NT Server provides a complete and solid platform for an all- ...
    Related: microsoft windows, windows, operating systems, computer security, organizations
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