Author Topic: Computer Terms Beginning with "E"  (Read 3652 times)

Offline MysteRy

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Computer Terms Beginning with "E"
« on: March 29, 2014, 10:49:15 AM »
Source : PC.net


E-commerce

E-commerce (electronic-commerce) refers to business over the Internet. Web sites such as Amazon.com, Buy.com, and eBay are all e-commerce sites. The two major forms of e-commerce are Business-to-Consumer (B2C) and Business-to-Business (B2B). While companies like Amazon.com cater mostly to consumers, other companies provide goods and services exclusively to other businesses. The terms "e-business" and "e-tailing" are often used synonymously with e-commerce. They refer to the same idea; they are just used to confuse people trying to learn computer terms.

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Re: Computer Terms Beginning with "E"
« Reply #1 on: March 29, 2014, 11:12:01 AM »
E-mail

It's hard to remember what our lives were like without e-mail. Ranking up there with the Web as one of the most useful features of the Internet, e-mail has become one of today's standard means of communication. Billions of messages are sent each year. If you're like most people these days, you probably have more than one e-mail address. After all, the more addresses you have, the more sophisticated you look...

E-mail is part of the standard TCP/IP set of protocols. Sending messages is typically done by SMTP (Simple Mail Transfer Protocol) and receiving messages is handled by POP3 (Post Office Protocol 3), or IMAP (Internet Message Access Protocol). IMAP is the newer protocol, allowing you to view and sort messages on the mail server, without downloading them to your hard drive.

Though e-mail was originally developed for sending simple text messages, it has become more robust in the last few years. Now, HTML-based e-mail can use the same code as Web pages to incorporate formatted text, colors, and images into the message. Also, documents can be attached to e-mail messages, allowing files to be transfered via the e-mail protocol. However, since e-mail was not originally designed to handle large file transfers, transferring large documents (over 3 MB, for example) is not allowed by most mail servers. So remember to keep your attachments small!

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Re: Computer Terms Beginning with "E"
« Reply #2 on: March 29, 2014, 11:13:17 AM »
E-mail Bankruptcy

In this day and age, most of us receive several e-mails a day. Depending on your job, you may even receive dozens of daily messages that are not spam. While it is hard enough to keep up with this plethora of e-mails received in a single day, if you fall behind a few days, it can be nearly impossible to catch up. After awhile, you may end up with hundreds of messages in your inbox that have not been replied to.

If your become submerged underneath an endless pile of e-mail in your inbox, the only way out may be to declare e-mail bankruptcy. Similar to a financial bankruptcy, e-mail bankruptcy involves writing off the losses and starting over. The most tactful way of declaring e-mail bankruptcy is to paste all the e-mail addresses from the messages you have not responded to into a single message. Then send a message explaining that you have fallen too far behind on your e-mail and apologize for not responding. The quicker, but less considerate option is to simply delete all the old messages and start over like nothing ever happened.

While it is best to avoid e-mail bankruptcy by keeping up with your e-mail, for some people it may be the only way to get current with their correspondence. If you are in a situation where you feel overwhelmed by the growing number of messages in your inbox, make sure you first reply to the most important messages. Then, as a last resort, declaring e-mail bankruptcy may give you the fresh start you need.

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Re: Computer Terms Beginning with "E"
« Reply #3 on: March 29, 2014, 11:14:23 AM »
ECC

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.

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Re: Computer Terms Beginning with "E"
« Reply #4 on: March 29, 2014, 11:16:00 AM »
EDI

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).

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Re: Computer Terms Beginning with "E"
« Reply #5 on: March 29, 2014, 11:17:10 AM »
Edutainment

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.

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Re: Computer Terms Beginning with "E"
« Reply #6 on: March 29, 2014, 11:18:14 AM »
EIDE

Example: "EIDE was a popular drive controller technology used in the 1990s."

EIDE is short for "Enhanced Integrated Drive Electronics" and is an improved version of the IDE drive controller standard. It is also referred to as "Fast ATA" or "ATA-2," which are technical names for the same technology. EIDE hard drives can transfer data up to 16.6 Mbps, which is twice as fast as the original IDE standard. While EIDE was widely used for many years it has since been replaced by newer ATA standards, including Serial ATA.

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Re: Computer Terms Beginning with "E"
« Reply #7 on: March 29, 2014, 11:19:15 AM »
Emoticon

These are the little text-based faces and objects that you often see in e-mail and online chat. They help give the reader a sense of the writer's feelings behind the text. For example, the classic =) face shows that the writer is happy about something or that his message in good humor. The =P face is used to show frustration or to say "Whatever..." Emoticons can also be used to create real-world objects. For example, a @-→-→--- is supposed to be a long-stemmed rose, which you can use to show affection. Though I think most women would prefer a real long-stemmed rose if they had a choice.

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Re: Computer Terms Beginning with "E"
« Reply #8 on: March 29, 2014, 11:20:27 AM »
Emulation

The term "emulation" comes from the verb "emulate," which means to imitate or reproduce. Therefore, computer emulation is when one system imitates or reproduces another system. This can be done using hardware, software, or a combination of the two. However, since hardware is expensive to reproduce, most emulation is done via software.

One of the most common types of software emulation involves running different operating systems in a virtual environment. For example, programs like Parallels Desktop, VMware, and Apple's Boot Camp allow Windows and other operating systems to run on an Intel-based Macintosh computer. Sun Microsystems' xVM VirtualBox allows multiple operating systems to be run on Windows, Mac, and Unix platforms. These applications are collectively referred to as software emulators, since they emulate different computer systems.

Another popular type of software emulation allows console video games, such as Nintendo, Sega, and PlayStation games, to be run on a PC. The program ZSNES, for example, allows Super Nintendo (SNES) games to be played on a Windows or Unix machine. The Virtual Boy Advance emulator allows users to play Game Boy Advance games on Windows or Macintosh computers. Games for these emulators are saved as ROM files, which are exact copies of a game cartridge or disk. Therefore, instead loading a physical cartridge, video game emulators simply load ROM files from the computer's hard drive.

A third type of emulation uses a type of file called a disk image. While ROM files are used to emulate game cartridges, disk images can be used to emulate optical media and physical hard disk. For example, an .ISO file (Windows) or .DMG file (Mac) can be mounted on the desktop, which makes the operating system view the file as a physical disk. This provides an easy way to make exact copies of CDs, DVDs, and hard disks. Disk images are also commonly used to create virtual installer disks that can't be modified by the user.

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Re: Computer Terms Beginning with "E"
« Reply #9 on: March 29, 2014, 11:27:21 AM »
Encryption

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.

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Re: Computer Terms Beginning with "E"
« Reply #10 on: March 29, 2014, 11:35:52 AM »
End User

An end user is the person that a software program or hardware device is designed for. The term is based on the idea that the "end goal" of a software or hardware product is to be useful to the consumer. The end user can be contrasted with the developers or programmers of the product. End users are also in a separate group from the installers or administrators of the product.

To simplify, the end user is the person who uses the software or hardware after it has been fully developed, marketed, and installed. It is also the person who keeps calling the "IT guy" with questions about why the product isn't working correctly. Generally, the terms "user" and "end user" mean the same thing.

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Re: Computer Terms Beginning with "E"
« Reply #11 on: March 29, 2014, 11:37:47 AM »
EPS

Stands for "Encapsulated PostScript." EPS is a PostScript image file format that is compatible with PostScript printers and is often used for transferring files between various graphics applications. EPS files will print identically on all PostScript-compatible printers and will appear the same in all applications that can read the PostScript format.

As the name implies, EPS files contain PostScript code, which is used for storing font and vector image information. Vector images are usually drawings created by programs such as Adobe Illustrator and CorelDRAW. EPS files may also include a rasterized version of the image used for previewing the contents of the file.

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Re: Computer Terms Beginning with "E"
« Reply #12 on: March 29, 2014, 11:40:45 AM »
Ethernet

Just to be clear, the first syllable is pronounced "eath" as in "Heath Bar," not like "eth" as in Bethany. Some people find this out the hard way (ridiculing laughter), but at least you don't have to. Ethernet is the most common type of connection computers use in a local area network (LAN). An Ethernet port looks much like a regular phone jack, but it is slightly wider. This port can be used to connect your computer to another computer, a local network, or an external DSL or cable modem.

Two widely-used forms of Ethernet are 10BaseT and 100BaseT. In a 10BaseT Ethernet connection, data transfer speeds can reach 10 mbps (megabits per second) through a copper cable. In a 100BaseT Ethernet connection, transfer speeds can get up to 100 mbps. There is also a new technology called "Gigabit" Ethernet, where data transfer rates peak at 1000 mbps. Now that's fast.

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Re: Computer Terms Beginning with "E"
« Reply #13 on: March 29, 2014, 11:42:59 AM »
EUP

Stands for "Enterprise Unified Process." EUP is a software development methodology that helps companies create software in an structured and organized manner. It is an extension of the Rational Unified Process (RUP), adding two new development phases -- Production and Retirement. Since the RUP includes four phases, the EUP consists of six phases:


Inception - The idea for the project is stated. The development team determines if the project is worth pursuing and what resources will be needed.

Elaboration - The project's architecture and required resources are further evaluated. Developers consider possible applications of the software and costs associated with the development.

Construction - The project is developed and completed. The software is designed, written, and tested.

Transition - The software is released to the public. Final adjustments or updates are made based on feedback from end users.

Production - Software is kept useful and productive after being released to the public. Developers make sure the product continues to run on all supported systems and support staff provides assistance to users.

Retirement - The product is removed from production, often called "decommissioning." It can either be replaced or simply no longer supported. The release of a new version of software often coincides with the retirement phase of an older version.

For more information on the EUP, visit the Enterprise Unified Process Home Page
« Last Edit: March 29, 2014, 12:02:55 PM by MysteRy »

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Re: Computer Terms Beginning with "E"
« Reply #14 on: March 29, 2014, 01:09:34 PM »
Exabyte

An exabyte is 2 to the 60th power, or 1,152,921,504,606,846,976 bytes.

It can be estimated as 10 to the 18th power, or 1,000,000,000,000,000,000 bytes. An exabyte is 1,024 petabytes and precedes the zettabyte unit of measurement. While a 64-bit processor can theoretically use 16 exabytes of address space, exabytes are so large, the units are rarely used in a practical context. For example, it is estimated that all the printed material in the world only takes up about five exabytes.