How A Hard Disk Drive Records Data

Computer hard-disk drives are in use in almost every desktop computer and server in today’s technological field. A desktop computer most commonly uses one hard-disk drive while servers, mainframes, and supercomputers use hundreds of them at one time to deliver the expected results of their users. Yet, in all of these systems, the hard-disk drive does one function. Hard-disk drives store changing digital information in a semi permanent state and give computers the ability to remember data even when power is not supplied to the computer, such as occurs with a power outage. Without the hard-disk drive, a computer would be incapable of remembering the sequence of data that is required to do the simplest of operations, including booting up for use.

A hard-disk drive is a little easier to understand once it is dismantled and its system of organizing the gigabytes of information held within its files. The ability to “see” the computer’s hard-disk drive work often eliminates the fear of the unknown, or what you can do to the computer before it won’t recognize its own information, thus causing a fatal crash to occur. By the way, even if you do fatally crash your computer’s hard-disk drive, it isn’t the end of the world. A blown hard-disk drive can be repaired by replacing any non-working parts and rebooting an operating system in the case that the operating system files necessary for operation of the computer have been damaged or deleted.

Originally created in the 1950s as fixed disks, hard-disk drives could be up to 20 inches in diameter and held mere megabytes of information through the use of magnetism. The name hard-disk drive came later to distinguish between floppy drives and the hard-drives. Working on the same principle as a cassette tape with a few alterations in method, the hard-disk was able to store information magnetically, but was also well suited for easy erasing and rewriting of information for the convenience of change since the core of information has always changed rapidly in the field of computers.

This, of course, does not indicate that cassette tapes and hard-disk drives are interchangeable. There are several key differences between the two that make hard-disk drives unique. The method of transferring information or data to a cassette tape is but one of these differences. Data recorded to a cassette tape is coated onto a thin plastic strip wherein a hard-disk drive magnetically records data onto high-precision aluminum or glass disks and then polishes the data to mirror smoothness. The speed of rewinding and fast-forwarding also differ as hard-disk drives can do this instantaneously. Data to a hard-disk drive never actually touches the surface of the glass or aluminum disks that it is recorded onto since the information is read and written in head “files” over the disk. Cassettes require actual contact to use the same magnetic principles for recording data. Because of these basic adaptations used in the recording of data to a hard-disk drive, the capacity of the hard-disk drive is immense and extremely fast to access when needed by the user.

Now that you know the basics of recording onto a hard-disk drive, the likelihood of becoming intimidated by the inner workings of your hard-disk drive should be eliminated. Thinking of it as a very sophisticated cassette tape also gives a better visual into how a disk drive works and the ability that the disk drive provides a user. In following articles, more interesting and easy to follow functions of the hard-disk drive will be explored in order to create a more user-friendly relationship between a computer’s hard-disk drive and its user.

Victor Epand is an expert consultant for computer memory, PC supplies, and computer games. When shopping, we recommend the best online stores for PC supplies, Hard Disk Drives, computer memory, RAM, and used computer games.
 
Become a Pro Blogger with these Tips
 
Creating a blog can seem overwhelming because there are so many option, possibilities and choices to make. The potential and ideas for blogs are infinite. The tips in this article are designed to help you to create a blog that will accomplish your goals and will reach the audience that your blog was created for.
 
Post original content on your blog, and include pictures or other content. Linking out to relevant sites, quoting experts in a field or adding videos can also make a post more interesting. Make sure you don't plagiarize, though, because people will stop visiting your site. Be unique and interesting with posts!
 
If possible, have someone else go over your blog posts before you post them. This is especially critical for internet marketing posts. People have a tendency to be blind to their own errors, so they will often miss problems with grammar, spelling, sequence, or logic. Another person may also be able to provide information you have left out or correct errors of fact.
 
When blogging, you should make sure that you make your RSS feed as obvious as possible. You can not expect other readers to find it if it blends in with all the text in your blog. This is why you should put it in a prominent position on your blog, and try to make use of the orange RSS icon if possible.
 
If you are going to blog, you need to make sure you choose a niche or market that you are passionate about. There are plenty of blogs out there, and there are just as many topics to choose from. Stay specific, and choose a blogging subject that you can create a successful blog with.
 
Break your blog up into appropriate headings and subheadings. This serves to make the material more palatable. Readers' have a tendency to scan the page for key concepts before they begin to read the entire blog. Headings and subheadings will help them get what they are looking for and ensure they stay on your page long enough to read the entire blog.
Try breaking your posts into manageable pieces. This is a very easy, but unfortunately ignored blogging tactic. Do not write like you are trying to run a marathon. Break up your posts in smaller pieces. This can help boost your SEO, and it can help create a clearer writing approach. This can actually help you think better.
 
Learn everything you can about topics related to your blog. The more quality information you can share, the better your blog will be. The greater your knowledge, the more readers will view you as an expert in the field. This will make the reader more likely to share links to your blog with their contacts.
 
Do not start a blog entry unless you are sure that you can sit down and finish the entire thing. You want to let your mind stay on task, and if you have to stop for any reason, it will be very hard to pick up where you left off.
 
You may want to have contests or giveaways on your site. This helps readers to become a part of your blog and increases their excitement about visiting. Readers are also likely to send links to contacts interested in the content of your contest. The giveaway can vary, depending on your site.
 
Make friends with other blogs that relate to your target niche. You can post useful comments on these blogs, and this will help promote your own blogging as well. Besides providing comments, some blogs will allow you to make guest posts, as this can be mutually beneficial to both of you.
 
The more blogs you write, the more ways potential readers have of finding you via search engines. The more people that successfully make their way to your site, the more visitors you will have actually reading your content. Use this guidance and watch your visitor numbers grow.
 
As you probably already know, creating a blog can be overwhelming at first, because the possibilities and potential for blogs are endless. The tips and techniques from the above article were gathered to help you create a blog that will get your message across to the audience that you are seeking to reach.
 

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