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|Frequently Asked Questions
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|What Files Go With What Applicaions?
Many PC users are confused by unfamiliar file types...
gid, syd, and so on. How can you tell what they are, or
what applications created them?
The specialized search engine at http://kresch.com/exts/ext.htm contains information on over 1,500 file types. In seconds, you can (for example) discover that "gid" files are "Generated InDex" files created by WinHelp; or that "syd" files are backups created by Sysedit.Exe. There's even a BBS where you can ask questions about files not covered in the database. It's definitely worth a bookmark!
Check out our Year 2000 Resource Center for details!
There are numerous reasons for this. One is that the busiest times for the Internet are 7am-10am and 6pm-10pm. When more people get on and start looking at the popular sites, those sites have more request to fulfill and therefore respond slower. Another reason is that not all Web Sites connect to the Internet using the same type of connections. Some use low-speed dial-up connections, while others use moderate speed ISDN connections or High Speed T1 connections. As you might expect the slower the connection to the Internet the slower the response. Another reason that a site may 'seem' to come up faster is because you have visitied the site before and it is stored in your disk cache on your local computer. In this case the site information is loaded from your disk drive which is much faster than calling up information from across the Internet.
The URL 404 not found message can be caused by several things. The most common reasons are:
If you still can not reach the site try again later and you will most likely connect.
Computer virus' are basically self replicating programs written by ill-intentioned programmers. They are most commonly transmitted from computer to computer by floppy disks, networks, e-mail and the internet. Some don't cause any real damage, but seem to merely be a test of the programmers replicating technique. Others can destroy the data on your computer systems hard drive causing the computer to malfunction in a variety of ways. There are virus scanners available that can prevent, detect and remove computer virus' . However, for reliable protection they must be updated regularly with the latest known virus signatures, because new virus' are created and released into the 'wild' every day. To learn more about computer virus' visit Symantec Corporation's Norton Antivirus website. The home of SARC, the Symantec Antivirus Research Center, this site provides an excellent resource for most any virus related questions!
Downloading means to transfer a file or program from a remote computer to your computer via your internet connection. You can download all kinds of things including programs, pictures and sound files. You should use caution however because you can also download virus'. A good virus scanner like the Norton Antivirus will solve that problem! For practice try downloading a trial version at:
For tips on how to download a file read the next question!
There are a number of scenarios that you may encounter when downloading files. Usually, when you download a file it will be compressed or zipped for faster and easier transfer from the host computer to your computer. Compressed and zipped files are simply a collection of files bundled into a single file. This single file is smaller in size than the sum of all the individual file sizes that it contains because it is compressed. This allows for faster transfer. Also, by combining several files into one, the programmer allows you to download only one file, rather than several, that can be uncompressed and extracted into the individual files that it contains when you receive it. Check out our Download Tutorial and try it for yourself!
Generally, there will be instructions on how to download and extract the contents of the file on the website where you got it from. Always follow those instructions if they are provided. If not, follow the instructions below to extract and install your new program.
If the download is a
self extracting file (ie filename.exe):
If the download is a ZIP
file (ie filename.zip):
On all systems setup by Martin Computing your e-mail attachments will go into the C:\EUDORA\ATTACH directory. If you want to be sure, run Eudora, click the Tools menu then select Options. In the category window click once on the Attachments icon. On the right hand side of that window read the path to the Attachment Directory.
To send mail to someone on Compuserve you must use their user ID in the address, replacing the normal comma seperating the 5 digit number from the 4 digit number with a period. For example... if the persons Compuserve user ID is 74633,2301 their internet EMAIL address would be email@example.com
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Martin Computing Co. All rights reserved.
This site last updated on April 14, 2002.