Get help, advice and information on all your Computers and Technology issues. http://advice-and.info/Computers-and-Technology/advantage.htm Mon, 04 Aug 2008 02:49:05 GMT en As new techniques and technologies are being introduced with the passage of time, it has become more important for the comapanies to adapt new techniques to have backup storage for the data. Therefore, the data storage medium must have fast data recovery ands storage speed. The data storage medium must be faster and reliable in order to compete in the market. For the purpose of backup storage, the magnetic tape is considered as one of the most rigid, reliable, effiecient and robust medium. The ultrium LTO (Linear Tape Open) tape offers its users the best solutions to solve the backup storage issues. It has the capacity to store and retrieve high volumes of data at a high speed. All the cryptosystems are based on the cryptographic algorithm techniques. The cryptographic algorithm techniques are described below: The secret key encryption The Secret Key encryption is also known as symmetric encryption. This Secret Key encryption technique uses one key for encryption and decryption as well. The secre t key is subdivided into two more classes that are the stream ciphers and block ciphers. The block ciphers operate on discreet blocks of data, while on the other hand the stream ciphers encrypt character by providing a continuous stream of encrypted data. The need of high-performance applications is supported by the secret key. Symmetric encryption is best suited for large amounts of fast moving data, usually encrypted in blocks. DES (Defense Encryption Standard), triple DES, AES (Advanced Encryption Standard) and Blowfish are typical examples of Symmetric encryption algorithms. The Hash technique of encryption The hash technique is also known as a Message Digest and one-way hashes. The Message Digest simply maps plaintext of any length into cipher text of a fixed length. This technique is widely used for primitive security checks for digital signatures, message integrity, or for password verification. Cryptographic hash functions are used to prove message integrity and create digital cer http://advice-and.info/Computers-and-Technology/89993_The_Advantage_Of_Cryptographic_Algorithms_In_Ultrium_Lto_Backup_Tape_Drive.html Thu, 03 Jul 2008 16:34:21 GMT Pngs are one of the most popular graphic files but unlike the gif and jpg formats its usage has not yet widely extended to the website design field. Before moving to the subject of the icons themselves, it is worth to mention that the new version of Internet Explorer 7 bundled with Windows Vista finally fully supports png as long as other well known web explorers, so the enhanced capabilities of this format can be exploited to the full extent. The Vista interface distinctively supports a huge size for icons, 256 x 256 pixels, which can be seen by choosing Extra Large Icons in the View submenu, right-clicking on any blank area of the explorer window or the desktop. In this mode view the icons can show an almost photographic amount of details.So, at the time of rendering an image file to be used as the 256 px icon, a number of effects can be applied in order to get an attractive icon. One is the shadow of the depicted object, which needs to follow the same perspective as the whole icon. But additiona lly the icons can also have glowing effects, for example for lightning parts of an object that will smoothly fade over the background (png can handle several levels of transparency) and also glass effects and areas showing translucency. Just like shadows, other semi transparent mediums like water, smoke or sparks must be prevented from being cropped outside the canvas of the image.A quality Vista icon can be nearly photographic, however it is recommended to follow certain rules so the icon will appear naturally inserted into the Vista graphic look. It is good to use less saturation than the standard used in Windows XP since this is one of the main characteristics of the Aero visual style. In the same way, the icon should communicate its message with even more accuracy than a real image of an object, so its representation will need a complete balance between the use of complex effects and a soft clean general look. Finally, semi transparent effects should not be used in the icon versions of 24 and 16 px http://advice-and.info/Computers-and-Technology/82240_Aking_Advantage_Of_Png_Files_In_Indows_Ista_Icons_And_Web_Design.html Fri, 21 Mar 2008 13:39:08 GMT In making a call from the streets of Australia to a friend who is drinking coffee in a caf located in an avenue in France, one may consider using a prepaid phone card that you can easily get with the help of the world-wide-web. Why go for online prepaid cards, you ask? Let us count the ways. For one, prepaid online phone cards are way convenient to get. You simply turn on your personal computer, choose from a number of vendors and supplier websites where prepaid phone cards are offered and register in. Make your order and in minutes, you will get an email with the personal identification code or reference number which you can use to load your phone with the credits it needs to make calls. No more driving to the nearby grocer or going to the phone card store to buy one. No dodging with traffic, no expense on fuel cost and there is minimum or less effort on your part. Your fingers basically do the walking so your feet get to rest on their laurels, figuratively speaking. http://advice-and.info/Computers-and-Technology/72802_Advantage_Of_Prepaid_Phone_Cards.html Tue, 01 Jan 2008 16:28:56 GMT When youre in business, you always want to give the best to get the most. One of the efficient devices to add to your arsenal is the Bluetooth headset to keep tabs on people and their latest exploits in the name of the business. Business Chic and Hi-end Tech http://advice-and.info/Computers-and-Technology/69410_Give_Your_Business_The_Advantage_Of_A_Bluetooth_Headset.html Fri, 30 Nov 2007 11:00:46 GMT Spyware can be extremely damaging to your home computer so you need to take advantage of free programs that will prevent it from harming you. The fact that spyware can allow others to access your personal information is very scary, and it is often linked to identity theft problems. It is vital that you know how to protect your information from being accessed and your files from being corrupted by various computer viruses. With the number of people using their home computers to run online businesses, pay bills, and manage various accounts, it is just to important not to have a quality spyware protection program in place. You want to be confident that whatever you access on your computer or store on it will always be safe. http://advice-and.info/Computers-and-Technology/64226_Take_Advantage_Of_Free_Spyware.html Thu, 11 Oct 2007 11:44:23 GMT