How Bluetooth Works
In the modern age of digital electronics, wireless access to different devices are inevitable. If you buy Smartphone you'll notice that it uses this same kind of technology, but how does this work? Here is an explanation of the whole bluetooth mystery.
Bluetooth devices will normally operate at 2.4 GHZ
in the license free, globally available ISM radio
band. The advantage to this band includes worldwide
availability and compatibility. A disadvantage to
this however, is that the devices must share this
band with other RF emitters. This includes
automobile security systems, other wireless devices,
and other noise sources, such as microwaves.
To overcome this challenge, Bluetooth employs a
fast frequency hopping scheme and therefore uses
shorter packets than other standards within the
ISM band. This scheme helps to make Bluetooth
communication more robust and more secure.
Frequency hopping
Frequency hopping is basically jumping from frequency
to frequency within the ISM radio band. After a
bluetooth device sends or receives a packet, it
and the device (or devices) it's communicating with
hop to another frequency before the next packet is
sent. This scheme offers three advantages:
1. Allows Bluetooth devices to use the
entirety of the available ISM band, while never
transmitting from a fixed frequency for more than a
short period of time. This helps insure that
Bluetooth conforms to the ISM restrictions on the
transmission quantity per frequency.
2. Ensures that any interference won't
last long. Any packet that doesn't arrive safely
to its destination can be resent to the next
frequency.
3. Provides a base level of security as
it's very hard for an eavesdropping device to predict
which frequency the Bluetooth devices will use
next.
The connected devices however, must agree upon the
frequency they will use next. The specification
in Bluetooth ensures this in two ways. First, it
defines a master and slave type relationship between
bluetooth devices. Next, it specifies an algorithm
that uses device specific information when
calculating the frequency hop sequences.
A Bluetooth device that operates in master mode can
communicate with up to seven devices that are set in
slave mode. To each of the slaves, the master
Bluetooth device will send its own unique address
and the value of its own internal clock. The
information sent is then used to calculate the
frequency hop sequences.
Because the master device and each of the slave
devices use the same algorithm with the same initial
input, the connected devices will always arrive
together at the next frequency that they have agreed
upon.
As a replacement for cable technology, it's no
wonder that Bluetooth devices are usually battery
powered, such as wireless mice and battery powered
cell phones. To conserve the power, most devices
operate in low power. This helps to give Bluetooth
devices a range of around 5 - 10 meters.
This range is far enough for wireless communication
but close enough to avoid drawing too much power
from the power source of the device.
Minggu, 12 Agustus 2001
Kamis, 12 Juli 2001
How Safe Is Your Computer - You Be The Judge
Is your computer safe from a virus? You might say yes, but do you know that for sure. If you do not have anti virus protection installed you are leaving yourself susceptible to a computer virus. Trust me you do not want a virus on your computer. Depending on the virus it could cause some real damage to every aspect of your computer. A really harmful virus could completely disable your computer, causing the need for a new hard drive or even motherboard.
Your computer can become infected with a virus in a variety of different ways. Such as via email, downloads, or even hackers. Just visiting a certain website could give you a virus, if they have downloads that are unseen by the eyes. The only way to protect yourself from a potential harmful and costly computer virus is to install anti virus protection. This protection comes in the form of antivirus software.
This is the only way to protect your computer from being infected with a virus. What is great about some of this protection is that, thanks to the internet, you can find free antivirus software. Of course, not all anti virus scans are free, but great majorities of them are.
You may think that free antivirus software has only one function, to find and rid your computer of viruses. While this is one of their functions, in most cases it is not the only one. Many of the latest antivirus software come with many other features that can help protect your computer while you are using it. For example, not only will some find and eliminate the viruses already on your computer, but it will also monitor your computer from that point on blocking any viruses that are coming in. Most will scan your downloads and email to ensure your computer remains safe and virus-free.
Most of the free antivirus software also scans and eliminates instances of annoying adware and spyware. Both of these work to slow your computer down and make your time on the computer a whole lot less enjoyable with unwanted popups and advertisements. Your best defense from a virus is good, solid, and reputable antivirus software.
You can find software and anti virus scans all over the internet. It is wise to choose your anti virus protection based on recommendations from other users, ease of use, price, as well as reputation. By doing so you will protect yourself from a computer virus and enjoy safety and peace of mind during your internet travels.
Your computer can become infected with a virus in a variety of different ways. Such as via email, downloads, or even hackers. Just visiting a certain website could give you a virus, if they have downloads that are unseen by the eyes. The only way to protect yourself from a potential harmful and costly computer virus is to install anti virus protection. This protection comes in the form of antivirus software.
This is the only way to protect your computer from being infected with a virus. What is great about some of this protection is that, thanks to the internet, you can find free antivirus software. Of course, not all anti virus scans are free, but great majorities of them are.
You may think that free antivirus software has only one function, to find and rid your computer of viruses. While this is one of their functions, in most cases it is not the only one. Many of the latest antivirus software come with many other features that can help protect your computer while you are using it. For example, not only will some find and eliminate the viruses already on your computer, but it will also monitor your computer from that point on blocking any viruses that are coming in. Most will scan your downloads and email to ensure your computer remains safe and virus-free.
Most of the free antivirus software also scans and eliminates instances of annoying adware and spyware. Both of these work to slow your computer down and make your time on the computer a whole lot less enjoyable with unwanted popups and advertisements. Your best defense from a virus is good, solid, and reputable antivirus software.
You can find software and anti virus scans all over the internet. It is wise to choose your anti virus protection based on recommendations from other users, ease of use, price, as well as reputation. By doing so you will protect yourself from a computer virus and enjoy safety and peace of mind during your internet travels.
Selasa, 12 Juni 2001
Home Internet Options: The War Between DSL And Cable
If you are still using dial-up, you have probably gotten either the “You don’t use DSL yet?” or the “You don’t use cable yet?” expressions of credulity. So you’ve decided that it’s probably time to get off of dial-up – yet, the question remains: which is better, DSL or cable? There are advertisements arguing the perks of both, but which will really get you more bang for your buck?
The three issues to take into account when comparing DSL and cable Internet connection are speed, customer satisfaction and security.
Theoretically, cable modems run faster than DSL because they offer more bandwith. There is also a form of DSL called VDSL which can match the speed of a cable modem. However, the speed of cable is relative to the number of people in your area who are accessing the neighborhood at the same time. One popular commercial compares cable modems to drinking out of a straw – the straw is fine, if one person is drinking from it. But if the straw must be shared – well, obviously things slow down a little. Both DSL and cable also vary in speed by the minute depending on the congestion caused by multiple users.
Customer service surveys conducted by J.D. Power and Associates in 2004 showed that DSL had an edge over cable in customer satisfaction ratings. This survey looked at billing, the provider’s business image, cost and tech support, and email services. Earthlink and Verizon, both DSL, were the top two service providers rated in the survey.
Since cable modems necessitate the sharing of a cable line to provide service to the entire neighborhood, DSL is slightly more secure. However, cable modems are easier to install, and many sources believe that the difference in security is not significant enough to go through the trouble of installing DSL. Many cable customers avoid security problems by putting up firewalls in order to protect themselves, and their information.
The three issues to take into account when comparing DSL and cable Internet connection are speed, customer satisfaction and security.
Theoretically, cable modems run faster than DSL because they offer more bandwith. There is also a form of DSL called VDSL which can match the speed of a cable modem. However, the speed of cable is relative to the number of people in your area who are accessing the neighborhood at the same time. One popular commercial compares cable modems to drinking out of a straw – the straw is fine, if one person is drinking from it. But if the straw must be shared – well, obviously things slow down a little. Both DSL and cable also vary in speed by the minute depending on the congestion caused by multiple users.
Customer service surveys conducted by J.D. Power and Associates in 2004 showed that DSL had an edge over cable in customer satisfaction ratings. This survey looked at billing, the provider’s business image, cost and tech support, and email services. Earthlink and Verizon, both DSL, were the top two service providers rated in the survey.
Since cable modems necessitate the sharing of a cable line to provide service to the entire neighborhood, DSL is slightly more secure. However, cable modems are easier to install, and many sources believe that the difference in security is not significant enough to go through the trouble of installing DSL. Many cable customers avoid security problems by putting up firewalls in order to protect themselves, and their information.
Sabtu, 12 Mei 2001
Home Audio Recording For Everyone
I'm not really sure how old I was when I got the gift for Christmas, but I remember thinking it was a pretty impressive piece of electronic hardware. It was really cool looking (technologically speaking), and I was awfully proud to own it. It certainly made for lots of fun times.
What was this high-tech gift, you ask? Why, it was a tape recorder! It was a monographic, reel to reel tape deck that came with it’s own plug-in microphone. I could hold that mic up to my transistor radio’s speaker and record songs onto tape. I could also play the guitar and sing and record every second of it. I could even hide and record conversations from unsuspecting family members. I was in recording heaven!
Years later I owned an 8 track stereo recording deck (ok, that was a mistake). At another point in time I had a stereo cassette recording deck that would physically flip the tape over when one side was finished recording or playing. Now I own a more conventional stereo dual cassette deck, but I no longer use it for recording or much of anything else for that matter.
All my recording is now done on my computer. The audio and midi software available today for computer recording is quite amazing. You can record multiple tracks, edit the recordings and add special effects as desired. Many of the audio recording programs come with their own native special effects such as reverb, compression, flanger, and chorus, to name a few. Some of the recording software can also accept third party effects such as vocal removers, tube amp effects and many more.
Multitrack recording software allows for recording various live instruments, vocals, etc, onto individual tracks. After recording one track, you can play it back while recording another. Once finished, you can mix all the individual tracks down into one stereo track. Some recording software will import and record both audio and MIDI, some audio only. If you have a MIDI keyboard or other MIDI instrument, be sure to pick software that handles both formats.
Creating a simple home audio recording studio is easy. In addition to software, an audio and/or midi interface will allow you to plug all kinds of audio components, microphones and instruments into your computer for live recording, recording from tape or even from your old vinyl lp’s. You can also use a home stereo system as an interface for audio components by running cables to it from your computer’s sound card. A laptop with recording software and a USB interface can serve as a totally portable recording studio. And again, if you have MIDI instruments, be sure to get an interface that will allow connecting them in additon to audio components and instruments.
The digital revolution has made music recording easily available to anyone with a computer. If you enjoy music and want to do more than just download mp3’s from the Internet, get some multitrack recording software and start your own home sound studio.
What was this high-tech gift, you ask? Why, it was a tape recorder! It was a monographic, reel to reel tape deck that came with it’s own plug-in microphone. I could hold that mic up to my transistor radio’s speaker and record songs onto tape. I could also play the guitar and sing and record every second of it. I could even hide and record conversations from unsuspecting family members. I was in recording heaven!
Years later I owned an 8 track stereo recording deck (ok, that was a mistake). At another point in time I had a stereo cassette recording deck that would physically flip the tape over when one side was finished recording or playing. Now I own a more conventional stereo dual cassette deck, but I no longer use it for recording or much of anything else for that matter.
All my recording is now done on my computer. The audio and midi software available today for computer recording is quite amazing. You can record multiple tracks, edit the recordings and add special effects as desired. Many of the audio recording programs come with their own native special effects such as reverb, compression, flanger, and chorus, to name a few. Some of the recording software can also accept third party effects such as vocal removers, tube amp effects and many more.
Multitrack recording software allows for recording various live instruments, vocals, etc, onto individual tracks. After recording one track, you can play it back while recording another. Once finished, you can mix all the individual tracks down into one stereo track. Some recording software will import and record both audio and MIDI, some audio only. If you have a MIDI keyboard or other MIDI instrument, be sure to pick software that handles both formats.
Creating a simple home audio recording studio is easy. In addition to software, an audio and/or midi interface will allow you to plug all kinds of audio components, microphones and instruments into your computer for live recording, recording from tape or even from your old vinyl lp’s. You can also use a home stereo system as an interface for audio components by running cables to it from your computer’s sound card. A laptop with recording software and a USB interface can serve as a totally portable recording studio. And again, if you have MIDI instruments, be sure to get an interface that will allow connecting them in additon to audio components and instruments.
The digital revolution has made music recording easily available to anyone with a computer. If you enjoy music and want to do more than just download mp3’s from the Internet, get some multitrack recording software and start your own home sound studio.
Kamis, 12 April 2001
Have The Pimpest Myspace Profile Using Free Myspace Layouts
You have various options with MySpace profiles, as you can pimp them out as you please. Since this is a networking site, there will be millions of users. So naturally there has to be a great variation with the look and feel of all profiles. Imagine if all the profiles had the same images. It would become boring for all the users, so using various free MySpace layouts will make the use more exciting.
There are many readymade layouts to choose from, and they are completely free of cost. These layouts will also be unique, as there are thousands of choices. Sometimes if you look through other profiles, you will find that hardly any two profiles are the same. Such is the variety of free MySpace layouts, so you can have a unique profile yourself.
There is the need to use the right theme, as this will help your profile stand out. You can also enjoy yourself with this activity, as there will be plenty to look at and choose from. According to the content of your profile, you can choose layouts accordingly. This will make it more interesting, as it is theme based. This way, people will also understand easily what the profile is all about.
They will know what your interests are and will easily be attracted to your profile. You can build a network of friends and associates faster and you can also have many groups as well. Free MySpace layouts will offer you the opportunity to do the above. You can find various suggestions and tips on many sites to pimp the profile using layouts.
Since free MySpace layouts are completely free, there might be spam, so users should use the right sites to enhance their profiles. Once you take a little effort to set the right layout for the profile, you can do wonders for the publicity. There will be thousands of people who would become part of your friends groups. The use of free MySpace layouts helps a great deal with building plenty of contacts.
People with same interests as well as those who are curious will be part of the group. You could also begin various groups with the help of the layouts. For example, you could choose a celebrity if you are a fan, and you could begin a fan club for the same. All these activities will make everything more exciting, instead of just having some boring plain layout on your profile.
While you are pimping the profile, do not be afraid to experiment. That does not mean that you should be picking odd layouts, it means that you can choose a variety and keep changing them. This will make the profile better, and you can also enjoy talking to all the new visitors who come your way.
There are many readymade layouts to choose from, and they are completely free of cost. These layouts will also be unique, as there are thousands of choices. Sometimes if you look through other profiles, you will find that hardly any two profiles are the same. Such is the variety of free MySpace layouts, so you can have a unique profile yourself.
There is the need to use the right theme, as this will help your profile stand out. You can also enjoy yourself with this activity, as there will be plenty to look at and choose from. According to the content of your profile, you can choose layouts accordingly. This will make it more interesting, as it is theme based. This way, people will also understand easily what the profile is all about.
They will know what your interests are and will easily be attracted to your profile. You can build a network of friends and associates faster and you can also have many groups as well. Free MySpace layouts will offer you the opportunity to do the above. You can find various suggestions and tips on many sites to pimp the profile using layouts.
Since free MySpace layouts are completely free, there might be spam, so users should use the right sites to enhance their profiles. Once you take a little effort to set the right layout for the profile, you can do wonders for the publicity. There will be thousands of people who would become part of your friends groups. The use of free MySpace layouts helps a great deal with building plenty of contacts.
People with same interests as well as those who are curious will be part of the group. You could also begin various groups with the help of the layouts. For example, you could choose a celebrity if you are a fan, and you could begin a fan club for the same. All these activities will make everything more exciting, instead of just having some boring plain layout on your profile.
While you are pimping the profile, do not be afraid to experiment. That does not mean that you should be picking odd layouts, it means that you can choose a variety and keep changing them. This will make the profile better, and you can also enjoy talking to all the new visitors who come your way.
Headsets And Their Essential Benefits
Telephone headsets have played an essential role when it comes to communications. They are used both in the workplace and at home.
Headsets are typically attached to a phone system, either mobile or landline. They are also plugged into personal computers to be used in several applications.
Here are some advantages of headsets over the typical headphones, mobile phones or telephone handsets:
1. Headsets offer a "hands-free" option when communicating.
Typically, this is used for talking over the phone so that both of the user's hands will be free to do other things.
You can see headsets used in the office, where the receptionist accepts incoming calls and uses the computer at the same time.
Almost all headset models available in the market now can be plugged into any compatible telephone system, or individual handy, mobile or landline phone.
With this convenience offered by headsets, they end up being an essential tool especially in the workplace.
2. Headsets have ergonomic benefits.
As compared to the traditional handsets which lets you tilt your head at a certain angle to cradle the earpiece, headphones help maintain good posture.
It lets you sit up straight because it frees up your hands. Headsets also save space, you can just hang it on your desk instead of taking up an entire area in your desk to help free your office of clutter.
There are also wireless types which do not tie you to your desk.
3. Headsets may be used for various PC applications.
Headsets may be used as another means of communications. Search engines now offer "voice chat" where you can speak with the person that you are chatting with.
Call centers and other business establishments use this as their major means of communications and an essential tool in their business.
Once a telephone headset is attached to a telephone system, it can work alongside a personal computer which has a USB port or an audio socket and a sound card. This would result to various applications in business.
For gaming and multimedia pruposes, a good quality headset is also a great investment.
When purchasing a headset that will best suit your needs, try to check on the following:
- Sound quality
Headsets should produce a good sound quality Since it is used for communication purposes, you should not compromise the sound quality of the set that you will buy even for a hefty cost.
- Microphone quality
Headsets are made up of two major parts: the earpiece and the microphone.
There are brands which have a device installed in the microphone which cancels outside noise.
These microphones actually filter the sound coming out of your mouth to be better received on the other end.
Make sure that the microphones would not be susceptible to feedbacks which will produce unnecessary noise on the background. This will further improve speech accuracy on the part of the speaker.
As long as you have a headset which has a good sound and microphone quality and the brand that you will buy is reliable enough, then you can go ahead and use it for the application of your choice.
Headsets are typically attached to a phone system, either mobile or landline. They are also plugged into personal computers to be used in several applications.
Here are some advantages of headsets over the typical headphones, mobile phones or telephone handsets:
1. Headsets offer a "hands-free" option when communicating.
Typically, this is used for talking over the phone so that both of the user's hands will be free to do other things.
You can see headsets used in the office, where the receptionist accepts incoming calls and uses the computer at the same time.
Almost all headset models available in the market now can be plugged into any compatible telephone system, or individual handy, mobile or landline phone.
With this convenience offered by headsets, they end up being an essential tool especially in the workplace.
2. Headsets have ergonomic benefits.
As compared to the traditional handsets which lets you tilt your head at a certain angle to cradle the earpiece, headphones help maintain good posture.
It lets you sit up straight because it frees up your hands. Headsets also save space, you can just hang it on your desk instead of taking up an entire area in your desk to help free your office of clutter.
There are also wireless types which do not tie you to your desk.
3. Headsets may be used for various PC applications.
Headsets may be used as another means of communications. Search engines now offer "voice chat" where you can speak with the person that you are chatting with.
Call centers and other business establishments use this as their major means of communications and an essential tool in their business.
Once a telephone headset is attached to a telephone system, it can work alongside a personal computer which has a USB port or an audio socket and a sound card. This would result to various applications in business.
For gaming and multimedia pruposes, a good quality headset is also a great investment.
When purchasing a headset that will best suit your needs, try to check on the following:
- Sound quality
Headsets should produce a good sound quality Since it is used for communication purposes, you should not compromise the sound quality of the set that you will buy even for a hefty cost.
- Microphone quality
Headsets are made up of two major parts: the earpiece and the microphone.
There are brands which have a device installed in the microphone which cancels outside noise.
These microphones actually filter the sound coming out of your mouth to be better received on the other end.
Make sure that the microphones would not be susceptible to feedbacks which will produce unnecessary noise on the background. This will further improve speech accuracy on the part of the speaker.
As long as you have a headset which has a good sound and microphone quality and the brand that you will buy is reliable enough, then you can go ahead and use it for the application of your choice.
Senin, 12 Maret 2001
Good Computer Maintenance - Part One
Normally we think of maintenance as a chore, something we have to do to keep things running smoothly and prevent problems down the road, whether with our car, house, or computer. But with a PC, maintenance can actually be fun ... approached from the right perspective.
Automatic Updates
The "joy" of computer maintenacne takes many forms. These days, automation is the byword. Operating systems such as Microsoft Windows and Symantec's Norton Interenet Security let you automatically keep crucial parts of your computer system up to date. It's fun to watch the technology keep tabs on itself.
The security vulnerablilites of Windows are legion, and this forces you to download patches and updates if you want to minimuze your exposure to hackers seeking to break into your system over the Internet.
You can run Windows Update periodically through Microsoft Internet Explorer, which automatically detects which versions of Windows components you currently have installed and, by checking with Microsoft's site, which have newer versions.
Or, if you are running Windows XP Home Edition, you can automate things even further by directing Windows to check for "critical updates" by itself at the frequency and time of your choosing. From the Control Panel, go to System and click Automatic Updates to specify your settings.
Website Updates
You can keep your other software up to date by periodically checking the Websites of the respective manufacturers. Typically, by pulling down the program's Help menu, you will quickly be directed to the site. But the Website VersionTracker (www.techtracker.com/products) does something similar with multiple programs, for free, whether you have a Windows PC or a Mac. The ad-supported site has 30,000 programs in its database. Pay versions, starting at $24.95, automatically alert you when new updates of programs that you're using become available.
Using Utilities
Staying up to date is crucially important these days in keeping the bad guys away from your computer and those using it. A good utility suite for this is Norton Internet Security (www.symantec.com), which combines such crucial tools as a firewall, anti-virus program, porn-blocker, spam filter, spyware detector, and pop-up ad blocker. If you use the program, make sure you let its LiveUpdate feature automatically keep your virus definitions and other components up to date.
Symantec's other utility suite, Norton SystemWorks, is less useful, and if you need system tools more powerful than those provided by Windows itself, a better package overall is V Communications' SystemSuite (www.v-com.com).
SystemSuite includes tools for preventing and recovering from hard disk crashes, recovering accidentally erased files, completely uninstalling programs you no longer need, and completely shredding sesitive files. It also has an excellent file manager, PowerDesk, that makes quicker work of copying, moving, deleting, and otherwise manipulating files than Windows Explorer.
With today's large and fast hard drives and more efficient operating systems, one maintenance task that's no longer as necessary is disk defragmenting. When working with files over time, they invariably wind up stored in places at different locations on your hard disk. Running a defragmenter gathers up the pieces and places them together in one contiguous location.
Recent testing by the computer magazine PC World, however, showed that defragging no longer improves performance the way it used to. It still makes sense to defrag once in a while, though unless it's for a network file server, there's usually no need to buy a separate program for this beyond what comes with Windows itself.
So in all ... even automated maintenance can be fun in that it is automated and can leave you more time for other endevours.
Automatic Updates
The "joy" of computer maintenacne takes many forms. These days, automation is the byword. Operating systems such as Microsoft Windows and Symantec's Norton Interenet Security let you automatically keep crucial parts of your computer system up to date. It's fun to watch the technology keep tabs on itself.
The security vulnerablilites of Windows are legion, and this forces you to download patches and updates if you want to minimuze your exposure to hackers seeking to break into your system over the Internet.
You can run Windows Update periodically through Microsoft Internet Explorer, which automatically detects which versions of Windows components you currently have installed and, by checking with Microsoft's site, which have newer versions.
Or, if you are running Windows XP Home Edition, you can automate things even further by directing Windows to check for "critical updates" by itself at the frequency and time of your choosing. From the Control Panel, go to System and click Automatic Updates to specify your settings.
Website Updates
You can keep your other software up to date by periodically checking the Websites of the respective manufacturers. Typically, by pulling down the program's Help menu, you will quickly be directed to the site. But the Website VersionTracker (www.techtracker.com/products) does something similar with multiple programs, for free, whether you have a Windows PC or a Mac. The ad-supported site has 30,000 programs in its database. Pay versions, starting at $24.95, automatically alert you when new updates of programs that you're using become available.
Using Utilities
Staying up to date is crucially important these days in keeping the bad guys away from your computer and those using it. A good utility suite for this is Norton Internet Security (www.symantec.com), which combines such crucial tools as a firewall, anti-virus program, porn-blocker, spam filter, spyware detector, and pop-up ad blocker. If you use the program, make sure you let its LiveUpdate feature automatically keep your virus definitions and other components up to date.
Symantec's other utility suite, Norton SystemWorks, is less useful, and if you need system tools more powerful than those provided by Windows itself, a better package overall is V Communications' SystemSuite (www.v-com.com).
SystemSuite includes tools for preventing and recovering from hard disk crashes, recovering accidentally erased files, completely uninstalling programs you no longer need, and completely shredding sesitive files. It also has an excellent file manager, PowerDesk, that makes quicker work of copying, moving, deleting, and otherwise manipulating files than Windows Explorer.
With today's large and fast hard drives and more efficient operating systems, one maintenance task that's no longer as necessary is disk defragmenting. When working with files over time, they invariably wind up stored in places at different locations on your hard disk. Running a defragmenter gathers up the pieces and places them together in one contiguous location.
Recent testing by the computer magazine PC World, however, showed that defragging no longer improves performance the way it used to. It still makes sense to defrag once in a while, though unless it's for a network file server, there's usually no need to buy a separate program for this beyond what comes with Windows itself.
So in all ... even automated maintenance can be fun in that it is automated and can leave you more time for other endevours.
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