CHAPTER 1 INTRODUCTION INTRODUCTION TO STEGANOGRAPHY Steganography is the science of writing hidden messages in such a way that no one apart from the sender and intended recipient realizes there is a hidden message. In this technique‚ a secret message is hidden within an ordinary message and the extraction of it is done at its destination. The term steganography combines the two Ancient Greek words Steganos and graphein‚ where “steganos” means “covered‚ concealed‚ or protected” and “graphein”
Premium Cryptography Encryption Cipher
DISADVANATGES: 1. Dams are extremely expensive to build and must be built to a very high standard. 2. The high cost of dam construction means that they must operate for many decades to become profitable. 3. The flooding of large areas of land means that the natural environment is destroyed. 4. People living in villages and towns that are in the valley to be flooded‚ must move out. This means that they lose their farms and businesses. In some countries‚ people are forcibly removed so that
Premium Dam Flood
First‚ believe in the world—that there is meaning behind everything. Don’t look back—forward‚ infinite energy‚ infinite enthusiasm‚ infinite daring‚ and infinite patience—then alone can great deeds be accomplished. This is the first lesson to learn: be determined not to curse anything outside‚ not to lay the blame upon anyone outside‚ but stand up‚ lay the blame on yourself. You will find that is always true. Get hold of yourself. Tell the truth boldly‚ whether it hurts or not. Never
Premium Soul Universe Mind
How many phenomenons have a global impact? If you are to count‚ they could be counted on your finger tips. Globalization is one of them. So before going to the advantages and disadvantages of globalization‚ lets us try to grasp this concept first. Simply put‚ globalization is an ongoing process of integration of regional economies into global network of communication and execution. Let me explain this a bit. Assume that you are a mango farmer in India and you grow very good quality mangoes over there
Free Developing country Developed country Economic geography
The advantages and disadvantages of communications technology. The mobile phone has many advantages and disadvantages. It is easy to contact friends and family. Since the first mobile was created we have been able to make calls to anywhere in the world by the click of a button. You are able to get in touch with people nearly 24/7. You have access to constant internet. Having the internet at your finger tips any time you need it has many advantages. Need to find out want time a movie is on in the
Premium Internet Mobile phone
Alcohol use has been part human civilizations for an estimated 10‚000 years. With evidence for initial beer brewing in the Near East‚ beer is believed to have preceded bread as a dietary staple (Hanson‚ 2015). Fast-track to today‚ alcohol has taken many forms to include wine and distilled spirits such as rum‚ whiskey‚ and tequila. Numerous people all over the world associate consuming alcohol beverages as a means to relax and loosen up‚ especially in social settings. However‚ due to its psychoactive
Premium Alcoholism Alcohol abuse Alcohol
inaccessible hydrocarbon are now available for use and thus brought “U.S. to become one of the world ’s top three oil producers”(Garder‚ US Reuters). On the other hand‚ this seemingly stupendous process with such salient features also bears another side – Hydraulic fracturing gives off numerous environmental risks such as contamination of ground water and surface air that can easily effect the public health. Facing all the advantages and disadvantages‚ one cannot truly determine the propriety of fracking
Premium Petroleum Natural gas Water
Advantages and Disadvantages of information technology in Business Advantages: Increases production and saves time: Business use technology to automate tasks. A good example is a bakery which uses automated temperature censors to detect any drop or increase in room temperature in a bakery. These censors will send information directly to the operator and report any temperature change. This saves the bakery time and it also results into quality products. Improves communication through communication
Premium Internet Business
Syllabus Cambridge O Level Computer Studies Syllabus code 7010 For examination in June and November 2011 www.XtremePapers.net Note for Exams Officers: Before making Final Entries‚ please check availability of the codes for the components and options in the E3 booklet (titled “Procedures for the Submission of Entries”) relevant to the exam session. Please note that component and option codes are subject to change. www.XtremePapers.net Contents Cambridge O Level Computer Studies
Free Computer Computer graphics
Disadvantages of studying abroad Posted on 21. Apr‚ 2010 by Marie M. in Study Abroad Yes‚ studying abroad has not only advantages! It would have been too simple: you go to a foreign country and everything is wonderful‚ people are nice‚ your home is beautiful and so on. Lies!!! Studying abroad is not (always) so nice. You might have to face one or even more problems while living abroad and see some of the disadvantages of studying abroad. #1 Disadvantage of studying abroad: You are not a genius
Premium Study abroad United States Student exchange program