Learning Computers

For computer beginners and other learners as well:

How many times do you read or hear a term used relating to computers and have no idea what it means? Still happens to me and I’ve been using them for more than 20 years.

Growth in this industry is so fast that it’s a real challenge to keep up with every development, Continue reading

There is more to your  computer than the monitor, the keyboard and the mouse, though most of the other components are hidden away.

In that big box that you often complain about being too bulky, lies the heart of the computer.

It houses all the vital parts that make your computer fully functioning.

Get to know some of these parts.

  1. The processor or CPU (Central Processing Unit) determines how fast your PC will be & is perhaps one of the vital parts of a computer, if not the most vital. Having a fast processor will allow your computer to convert data faster Continue reading

How many times have you needed to use a symbol for a trademark, currency of a different country or even a smiley face and spent lots of time searching to find them?

This has happened to me so often, I’ve made a list of the ones I’ve had to use & thought I would display them on a blog page for easy reference both for myself and others. The page is called “Shortcut to Symbols” – you’ll see it listed in the right hand sidebar under pages, but here is the direct link:

http://r7-

sydney.webserversystems.com/~trishfin/shortcuts-to-symbols/

I’d like to recommend another great site set up to help senior computer users understand more about their computers and ways to really enjoy using them. The link to the site is www.senior-computer-help.com

There are links to various pages such as terms, aids, basics, maintenance & fun.

It is a fairly new site, like this blog, so well worth going back regularly to see what else has been added.

Have you ever had a computer crash and all your data was lost?

Most likely your computer’s hard drive failed & this happens more frequently than we’d like and for all sorts of reasons. Another major risk to your data is fire, flood or theft. The following strategies will help you to protect and recover your data.

Although the software files for the programs that run on your computer is also data, you don’t need to back that up as it is easily recoverable from the installation disks you received when software is purchased.

The data that we will focus on is “user” data specifically, the data that you create from the software programs that run on your computer.

For example, if a word processor is used to create a document or a letter, the word processor provides functions to save this data. The data that is created and saved through the word processor is “user” data. Most programs will create and save data somewhere on the hard drive.

There are many kinds of user data that are usually stored on the hard drive, do you have some of these?

  • letters you write in a word processors
  • flyers / posters for your clubs
  • business cards
  • spreadsheets
  • greeting cards you’ve made
  • accounting data from a money management program
  • picture files
  • music files
  • video files
  • email and email addresess

This is not a complete list, but to give you an idea of what you might have created and could lose if your computer crashed or in a fire or theft. Most people do not pay enough attention to this basic fact about computer systems until it’s too late. Don’t let this happen to you!

Remember, the key is “prevention” and in order to prevent loss of valuable data you must be prepared, so let’s look at some basic backup plans.

Option 1: Save your data to CD or DVD disks
This is by far the cheapest option and a very good approach to securing user data, especially if you don’t have too much. All that is needed is a CD or DVD burner and some blank disks, which cost very little these days.

When using this option, make two copies so that one of the copies can be stored off site, to protect you against fire, flood & theft. Another reason is that a CD or DVD backup can also become corrupted & it’s better to have two or more copies.

Option 2: Use a memory stick (USB stick)
This will cost a bit more than option 1, but USB sticks are getting cheaper & cheaper all the time, and holding more data as well. One advantage is how small they are and easy to carry around. I bought a waterproof one when they first came out for my client’s data and was very glad I did so, as it went through the wash twice and still worked fine! (I did have other backups though & I still use that drive today!.)

Option 3: Consider having two internal hard drives, especially if you have a lot of user data, especially big pictures or music files.

Most home computers generally all come with only one internal hard drive, which stores both software and user data. This means that this one single hard drive is experiencing a lot of wear and tear. Every time a program is launched it’s being accessed. Every single function that the operating system invokes will likely hit the hard drive etc. This heavy wear and tear can eventually lead to physical failures.

Also, many viruses are designed to hit the operating system & if the user data is on the same physical drive as the operating system, then it can be severely impacted by viruses as well. The disadvantage of this method is that it doesn’t protect you from fire, flood or theft, etc, but it is probably the easiest way to automate backing up your files.

Option 4: Attach an external USB Hard Drive to the system

With the price of hard drives getting much cheaper, this is another really good option. By attaching an external USB hard drive to the system, special backup programs can be installed and scheduled to run over night. There are many cost effective backup programs available. Some will be built into your operating system and others are available free – search on the internet and you’ll find plenty of options. The advantage of the external drive is that your work is still physically separated from the main hard drive and can be taken off-site with you.

Option 5: Online backup service
The services are fairly inexpensive (typically about $5 a month), and the best ones won’t noticeably slow down your PC use or Web browsing (after the initial large upload, at least). They also encrypt your data before, during, and after it’s been sent to industrial-strength servers. There are no discs or USB drives to worry about, either. The service can start processing and uploading files automatically on a schedule or in the background when there are enough free cycles available.

How often should you make backups?

This really depends on what your data is. If you are only using your computer for emails and writing letters, perhaps once a week is sufficient. When you’re doing work for someone else, it’s wise to keep doing incremental backups as you go, every ten minutes, every hour perhaps. It’s a decision you need to make for your personal circumstances. I personally do my backups before I go away from my work area and every night. The main thing is, remember to DO IT!

Summary

  • You need to backup your user data in case of computer crash or fire or theft
  • Back-up frequently, as often as needed to make it easy to restore your work to where you were
  • Use at least two different methods
  • Keep one copy of your backup data away from the computer (prevent loss if fire or theft)

Hopefully this helped you become more aware of the importance of your data and the need to back it up.

The options presented here are the very same methods used by many highly experience data processing centers and can be easily adopted by the average computer user. The most important point to remember is that good planning for potential disasters is the best protection against loss of valuable user data. You may not think of it this way at first but the user data that you accumulate on your computer takes time to build up and acquire.

If you value your time then you’ll value your data. Your data has a lot of value. So why not take a few simple steps to protect it.

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