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What is Encryption

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Encryption is the coding or scrambling of information so that it can only be decoded and read by someone who has the correct decoding key. Encryption is used in secure Web sites as well as other mediums of data transfer. If a third party were to intercept the information you sent via an encrypted connection, they would not be able to read it. So if you are sending a message over the office network to your co-worker about how much you hate your job, your boss, and the whole dang company, it would be a good idea to make sure that you send it over an encrypted line.

What is EIDE

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Stands for "Enhanced Integrated Drive Electronics." EIDE is an improved version of the IDE drive interface that provides faster data transfer rates than the original standard. While the original IDE drive controllers supported transfer rates of 8.3 Mbps, EIDE can transfer data up to 16.6 Mbps, which is twice as fast.

The term EIDE can be a bit ambiguous, since it technically refers to an ATA standard known as ATA-2 or Fast ATA. Therefore, the terms EIDE, ATA-2, and Fast ATA may be used synonymously. To add to the confusion, EIDE may also refer to the ATA-3 standard, which is similar to ATA-2, but includes additional features. ATA-3 supports the same maximum data transfer rate as ATA-2, but has SMART support and uses a 44 pin connector.

While EIDE was the most common drive controller used for many years, it has since been replaced by updated versions of the ATA standard that support Ultra DMA. These include the ATA-4 through ATA-7 standards, which provide data throughput rates from 33 to 133 Mbps. Most modern computers use a completely new standard called "Serial ATA," or SATA, which supports even faster transfer rates.

What is Edutainment

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Edutainment is one of those combo words, like "guesstimate," that combines two regular words into one term that really isn't a word. As you may have guessed, "edutainment" is a blend of education and entertainment. This term is used to describe various forms of entertainment that also educate. Some examples include "Sesame Street," shows on the Discovery channel, and websites such as HowStuffWorks.com.

One industry that is loaded with edutainment products is kid's software. Most kids games are developed not only to entertain children, but to educate them as well. Games like Oregon Trail and Math Blasters teach kids about history and math while keeping them entertained. Reader Rabbit is a popular line of games that help kids learn to read in a fun way. Parents can be encouraged that there are positive software titles out there after all.

What is EDI

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Stands for "Electronic Data Interchange." EDI is a standardized method for transferring data between different computer systems or computer networks. It is commonly used for e-commerce purposes, such as sending orders to warehouses, tracking shipments, and creating invoices.

Because may online retailers sell products that they do not physically stock, it is important to have an easy way to transfer order information to the locations where the goods are stored. EDI makes this possible. Some common EDI formats include X12 (U.S.), TRADACOMS (U.K.), and EDIFACT (International).

What is ECC

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Stands for "Error Correction Code." ECC is used to verify data transmissions by locating and correcting transmission errors. It is commonly used by RAM chips that include forward error correction (FEC), which ensures all the data being sent to and from the RAM is transmitted correctly.

ECC RAM or memory is similar to parity RAM, which includes a parity bit that validates the data being sent. The parity bit is a redundant binary value of 1 or 0 that is sent along with the data. If the parity bit does not match the value of the data it represents, it indicates an error in the transmission and the data may need to be resent. ECC works in a similar way, but uses a more advanced error correction system that can correct data transmission errors on the fly.

Since ECC memory requires more processing, it can be slower than non-ECC RAM and basic parity RAM. However, ECC RAM provides more reliable data transfers, which results is greater system stability. Therefore, high-end servers and workstations may use ECC memory to minimize crashes and system downtime.