Category → Computers - Technology
Why Buy Home Theater Kits?
You will find all kinds of homes around the country and around the world. Some are big, some are small, and some are simply average. When you are searching for home theater systems you will find the same thing. This is particularly true of the home theater systems that come as a package deal. While I do not normally endorse these purchases, just as all homes are not alike, neither are all people. This means that what may be best for me and my home theater may not be the best plan of action for you and your home theater.
I definitely recommend listening to any home theater you are considering before taking the plunge and purchasing. There are many times in life when you get what you pay for. While most of us live within some degree of budget constraints you will find that most of us have certain things we simply will not go ‘cheap’ when purchasing. You should keep in mind that there are great ways to get outstanding bargains however, when it comes to purchasing electronics. One of these ways is by purchasing a home theater kit where all the pieces (generally with the exception of the television) are included.
Seeing is believing when it comes to value for most of us. The best way to find a home theater kit that you are going to be confident about purchasing is to take a look at the kit, listen to the speakers (the first 5 to 10 minutes of the movie Top Gun is an excellent test for sound), and take a look at the system to see how you find the interface. It doesn’t matter how great a system sounds if you can’t figure out how to use it once you’ve taken it out of the box. You might also want to look into the price of professional installation if you are electronically challenged when it comes to matters of programming and installation. These kits are also often appealing to those who find the prospect of shopping around for the parts and components tedious.
While it is difficult for me to accept at times, we were not all born shoppers. For people such as this, home theater systems that come as a package deal are often life rings tossed out in a sea of shopping among sharks. This convenience for some is worth any price that could be stamped on the box. The good news is that there is enough competition that prices are typically competitive according to quality.
Box kit home theater systems are appealing to many consumers for many different reasons. Those who live in small apartments or have very small home theater rooms typically find that it makes no sense to invest in a system that will rattle the walls or have the neighbors complaining. Those with limited budgets find that this is an economic way to get everything at once. People who have little time to invest in researching all the items they will need find it incredibly convenient that they will not need to worry about missing something important such as a receiver during the process. Still others find that they like knowing up front what the price for the total home theater experience is going to be, at least the electronics component at any rate.
It is important to remember that a home theater means different things to different people. Finding the ideal home theater for you may not necessarily equate to the ideal home theater for someone else who has grand visions of a cinema themed room with dark rich colors on the walls and muted lighting effects along with blacked out windows for the ultimate movie viewing experience.
Don’t get too caught up in the details and remember that it only has to work for you and your needs. Creating a wonderful home theater is a great way to bring the family together on a regular basis. Buying a pre made home theater kit or system is a great way to begin enjoying the wonderful benefits of a home theater experience while learning the things you like and dislike about your system. This could be a work in progress for many years to come as you learn more about what you do and do not prefer.
iPhones on eBay
Can you buy an iPhone on eBay? Yes, you can. However, there are important things to watch out for if you want to buy iPhones on eBay. With eBay it is always caveat emptor – buyer beware. This is true when you are looking to purchase iPhones on eBay as well. If you take measures to be sure that you know what you are buying, then you can get a really great deal on an iPhone. However, if you are not careful, you will be disappointed and possibly out of a lot of money. This is what you need to be aware of when buying iPhones on eBay.
First, know what you are buying and if you are not sure ask the seller before you bid. Some things to look out for are conflicting information between the title and the extended description. For example there was a listing for an unlocked 16 GB iPhone. That is what the title said. In the description is stated very clearly that this phone is locked but then went on to say that they are using it with T-Mobile, so it is clearly unlocked. The best way to resolve issues like this is to send the seller an email and ask for clarification. Save this email and the response you get so that if you are the winning bidder you have recourse if the iPhone is not as described.
Know the difference between unlocked and locked. Unlocked means that the firmware has been hacked and now you can insert any chip that will work on ST&T or T-Mobile’s networks. If you use T-Mobile you will lose the visual voice mail, which is an AT&T exclusive feature. In the US the iPhone will work only on cell phone networks AT&T and T-Mobile. This has nothing to do with the chip and everything to do with the wiring. The iPhone will only work on the radio frequencies that AT&T and T-Mobile provide. The terms “unlocked” and “new, unopened box” are incompatible. You have to open up the box and hack into the firmware in order to unlock the iPhone. Apple does not ship unlocked iPhones. In order to hack into the iPhone you must open the box, and hook the iPhone up to a computer. This is hardly unopened. Locked means that the firmware that Apple shipped the phone with is intact and untouched. These phones will only activate and work on the AT&T network. However, a locked phone has no issues or troubles with any firmware upgrades whereas an unlocked phone must be careful when updating to be sure they do not re-lock the iPhone.
Another thing to look out for when buying iPhones on eBay is to know if the phone is refurbished, new, or used. A refurbished iPhone is one that Apple (hopefully) has taken from not working properly to a like new state. This is a great way to get an inexpensive iPhone. However, an ethical seller will clearly state that this is a refurbished item. Les scrupulous sellers may not disclose this. If unsure, ask. New and used are self-explanatory.
Be alerted to the fact that there are phones that are similar in appearance to the iPhone but they are not iPhones. On eBay, you will see phones called A88, iPhone, PDA, cell phone… These are not Apple iPhones, they are iPhone look alike. Make sure that the manufacturer of any iPhone you purchase is Apple and not CECT.
Finally make sure that you are aware of the sellers return policies and only pay through PayPal using a credit card or pay directly with a credit card. Never pay with cash, checks, Western Union, wire transfers or money orders. This way if you are sold a fraudulent item, you have recourse through your credit card company or PayPal. Buyers who do not take credit cards or PayPal are questionable so once again remember caveat emptor, buyer beware.
eBay tries to make their venue a safe place to purchase items. An educated consumer stands the best chance of getting a good deal. Before you buy iPhones on eBay do a little research to be sure you are getting exactly what you are looking for.
Hard Disk Failure and Data Recovery
Hard Disk: An Introduction
Hard disk is a non-volatile data storage device that stores electronic data on a magnetic surface layered onto hard disk platters. Word Hard is use to differentiate it from a soft, or floppy disk. Hard disks hold more data and can store from 10 to more than 100 gigabytes, whereas most floppies have a maximum storage capacity of 1.4 megabytes and in addition are faster too.
Normally term hard disk is much familiar with computers only but it is widely used as network attached storage for large volume storage. Furthermore, appliance of hard disk drives spread out to video recorders, audio players, digital organizers, digital cameras, and even in latest cellular telephones.
Reynold Johnson invented the first hard disk in 1955 for IBM 305 computer with fifty 24 inch platters and total capacity of five million characters, and in 1956 – first commercial hard disk was launched with 5 megabyte capacity, the IBM 350 RAMAC disk drive. Within time frame of 50 years and rapid progress in technical enhancement, we have now reached to latest 2006 – First 750 GB hard drive from (Seagate) and First 200 GB 2.5″ Hard Drive utilizing Perpendicular recording (Toshiba).
Heart of hard disk consists of four basic components:
The Platters: Platters are the actual disks inside the drive that store the magnetized data. Conventional platters are made of a light aluminum alloy and coated with magnetize-able material but latest technology uses glass or ceramic platters as they are thinner and also heat resisting. Most drives have at least two platters and the larger the storage capacity of the drive, the more platters there are.
The Spindle Motor: Hard disk drive consists of a spindle on which the platters spin at a constant RPM. Moving along and between the platters on a common arm are read-write heads. The platters in a drive are divided by disk spacers and are clamped to a revolving spindle that turns all the platters in a uniform motion. The spindle motor is built right into the spindle and rotates the platters at a constant set rate ranging from 3,600 to 7,200 RPM.
The Read/Write Heads: Read/write heads read and write data to the platters, and each head is fixed to a single actuator shaft so that all the heads move in harmony. Typically, only one of the heads is active at a time either reading or writing data. When not in use, the heads are inactive, but when in motion the spinning of the platters generate air pressure that lifts the heads off the platters. The space between the platter and the head is so minute that even one dust particle or a fingerprint could disable the spin. When the platters cease spinning the heads come to rest, at a preset position on the heads, called the landing zone.
The Head Actuator: All the heads are attached to a single head actuator arm, which moves the heads around the platters. The Actuator arm moves the heads on an arc across the platters as they spin, allowing each head to access almost the entire surface of the platter. Contemporary hard drives use a voice coil actuator, which controls the movement of a coil toward or away from a permanent magnet based on the amount of current flowing through it. Fundamental structures of all hard disk are same, and are composed of the same physical features, but their performance depends on the quality of their inner components.
Hard Disk Failure:
Hard Disk Failure occurs when a hard disk drive malfunctions and the accumulate data cannot be accessed. It may happen in the course of normal operation due to an internal or external factor.
Disk failure varies and the most common is “Head Crash” where the internal read and write head of a device touches a platter or magnetic storage surface often grinding away the magnetic surface. Head hover just micrometers from the platters plane which makes such collision a common one.
This sort of crash usually invites severe data loss and unprofessional data recovery attempts results further damage to the remaining data.
Hard drive also includes other controller electronics i.e., semiconductors, valves or electronic circuits, and major components such as Platters, Spindle Motor and Head Actuator. Failure of any these devices may cause a hard disk failure. Factors causes disk failure are numerous, yet most common are power surges, voltage fluctuations, electronic malfunction, physical shock, wear and tear, corrosion, exposure to high magnetic waves, sharp impact, high temperature exposure etc.
The phenomena of hard disk failure is raising higher and higher; as to increase the read and write speed, today we have latest hard disk rotating amazingly faster and this immense revolving speed generates massive centrifugal force, a single adverse cause in the course of normal operation can cause severe hard disk failure.
Hard Disk Data Recovery:
Hard disk data recovery is the process of recovering the trapped data from the damage hard disk device, when it can not be accessed in normal circumstance.
Several Techniques are used to retrieving data from damaged hard disk and techniques vary accordingly. It can be done by moving disk drive to a working CPU, or may have to open the disk drive and replace parts such as read/write heads, arms and chips and sometime the platters have to be removed and placed into another drive.
Physical damage can not be repaired by the general users, as it requires clean and dust free lab environment, in addition proper hardware and technical expertise; where under microscopic examination with proper tool and techniques, the damage drive is put on to observation for data salvaging.
In case of worse happening, do consult Data Recovery Service for saving your important data trapped within the damage device.
10 Steps To A Safe, Smooth Running PC
10 Steps To A Safe, Smooth Running PC
These ten steps will help you increase your computer’s security. From discovering viruses to learning how to avoid them, this article is a must read!
Windows password This is the easiest way to make sure you know who is using your pc. Choose a lengthy password that contains capital and lower case letters. Including a number or two will greatly increase your security. Having a Windows password means that the only people that can log onto a Windows session are people that you have granted access to.
Password manager You should never write your passwords down. Using the same password all the time will also make it very easy for hackers to reach your personal information. So if you can’t write it down and you’re not
supposed to use the same one – how are you supposed to keep track of all of your passwords? The easiest way to do this is to use a password manager. We prefer to use Roboform. Roboform is an easy to use password and profile manager that docks neatly into your Internet Explorer toolbar and keeps track of all of your passwords for you. Roboform also uses a master password system. You will have one password that accesses all of the passwords in the program. This way you can keep all of your information safe and secure. You can download Roboform for free by roboform.
Spyware Remover Next to spam, spyware is the internet’s biggest annoyance. By definition, spyware is “any software that covertly gathers user information through the user’s Internet connection without his or her knowledge, usually for advertising purposes. Once installed, the spyware
monitors user activity on the Internet and transmits that information in the background to someone else. Spyware can also gather information about e-mail addresses and even passwords and credit card numbers.” The amount of spyware that exists on your pc is dependent on the amount of internet surfing you do. A good rule of thumb here is to scan for spyware once per week or whenever poor system performance surfaces. If you don’t have a spyware scanner, we recommend webroot.
Antivirus This should go without saying, but if your computer is connected to the internet you need antivirus software. With weekly scans and program updates you should be protected from most threats. For added protection, we
recommend using more than one anvtivirus scanner.
Firewall A firewall will keep unwanted visitors out of your computer. You can obtain a firewall either by using software application like ZoneAlarm or Black Ice Defender, or by using a router with your internet connection. For more information on routers plese visit Linksys.
File sharing Basically, file sharing programs are the single biggest security risk you will come across. This is because the only facts you have about the files you are downloading are the file name and the file size. It is quite simple to change a filename to dupe someone into downloading a virus or other malware like keystroke recorders. Our advice – stay away from file sharing at all costs. If you need to use it, make sure you have updated antivirus software installed and running.
Research In a sentence – know what’s out there. Symantec has a section on their website that will serve you well. Knowing what types of viruses exist and how to avoid them will make you a much smarter internet user.
Email protection Most of the antivirus applications available offer email scanning. If yours does not, you will want to get one that does. Email scanning will make sure all of your incoming and outgoing emails are safe for both you and the recipient. Email viruses spread very quickly by using your address book to propagate. Never read email from people you don’t know and always make sure your email scanner is active.
Network security Another way that viruses spread is through computer networks. We have a few quick tips to keep your network safe. Always scan any files that come in from other computers. Even if it’s a file you have brought from home. Never allow a file to be placed on your network until it
has been scanned. The main server should be the only computer with file sharing enabled. By not allowing computer users to transmit files, you can quickly neutralize a threat.
Maintenance Performing weekly virus and spyware scans will go a long way to keeping your computer safe. Defragmenting weekly will also greatly improve performance. If you put in the effort, you will be rewarded with a safe and smooth running pc. Not to mention less headaches!
By following these ten guide lines, you will greatly improve the performance of your computer. You will also generate peace of mind as you gain a new sense of security.
Employers Of Companies Using PDA’s
Some employers of corporate offices are using PDA’s with the use of the Excel Spreadsheet program to keep track of their many employees and their hours. The employers are not only able to keep track of their employees, but their schedules and the time that they have actually put in each week.
The employer can easily put the information in the appropriate area by using the stylus and touch screen, then later like at the end of the week, transfer the information onto a desktop computer where the employee records are kept. Each week a new spreadsheet is created and the records of the employees and the hours they worked are undisputable. This is effective if there is a discrepancy about the employee’s actual hours. The documents can be reviewed at any point, either from the desktop computer, or if it is in the middle of the week, through access of the PDA itself.
Many employers who have a lot of employees working for them will do this now. There are even independent contractors who keep these sort of files on a PDA, because different workers work different hourly shifts or different days. It is easier to keep track of them. Some employers also use the PDA for inventory or shipments that are coming or going. The files of the inventory can be saved on the PDA and also transferred to a main computer at a different location.
There are many uses for a PDA in the business field. And there are many programs designed for the PDA that you can purchase and install to assist you in the business field. Though some of the PDA’s come with some programs, you might not have the one you need. You can usually look on the Internet to find out if a program you need can actually be purchased for your PDA. If you can’t find a certain program for your business, that will work on your PDA try going to a business where computer software is sold. There are some places that can special order it for you. If it is available for use with your PDA. It may cost a bit more, but you’ll then have the program.
Construction site managers often use PDA’s now not only for the purpose of employees but also for the amount of progress done to the construction site has been done. For example the day concrete was poured, or wall beams were put in, all this information can be stored and dated on the PDA, and the on site manager of the construction site can then transfer the information to the main computer where it can be viewed by the actual owner of the construction site.
This gives the owner an idea of possibly an ending date, when the building will be finished, or if in certain areas there are more workers that are needed. And in some cases, if there is a shortage of building materials for the construction site. All this can be filed on a PDA and accessed later.
Using a Teleconference to Connect Your Business
Business owners and other professionals are always looking for ways to bolster the interest in their business or organization. Even though there are an unlimited number of ways to get people involved with your business or organization, there is no better way to go about doing so than to host a teleconference for your members. There are actually a couple ways that you have to choose from, too, if you are going to hold a teleconference and we will detail them in this article here. But there are some real benefits to holding scheduled teleconferences to connect the individuals in your business together, and to get new people interested in joining you.
The first option that you have to conduct a teleconference meeting is the traditional style of the telephone. Many people refer to this type of meeting as a “conference call,” and this is the type of meeting where everyone dials a specific number and is required to enter a secret code just to enter the call.
These types of teleconference meetings are great for businesses and organizations that usually don’t have any new members joining that often. For example, stock holders of a corporation routinely listen in on telephone conference calls in order to find out about the losses and gains from the business as far as the stock market goes. Another great example of telephone conference calls include clubs that usually stick with the same members from conference call to conference call.
On the other hand, the technology of the conference call has changed dramatically in recent years and more businesses, corporations, and organizations are getting in on the action. This new technology includes the internet and teleconferences can be conducted anywhere where there is a computer and an internet connection. So how does it work to have a conference call for your business conducted online? In fact, holding a teleconference call completely online only takes a few matter of minutes in order to be set up and requires little to no maintenance throughout the time of the conference call. Members can enter and exit as they please; however, there is usually still the same beep as there would be in a normal telephone teleconference call.
Chances are that you or your business has routinely been using the phone teleconference way of meeting with your members. However, if you have not had a chance to try out the internet side of the teleconference meetings then this is a sure-fire way to see some of the changes and new technology of the teleconference world. For example, members have the option of actually speaking or typing in order to communicate. In addition, presentations are easily available for people to walk through as the host of the teleconference call will be easily able to flip through and present the information that they’ve gathered.
All in all, a teleconference is a smart way to conduct business and, as mentioned, the internet is literally changing the face of the teleconference meeting. As technology becomes even more greater individuals and businesses can be assured that all business meetings will eventually be conducted completely online!
Computer Training
In today’s modern world, computer training is considered to be of vital importance to almost everyone. Whether you are entering the workforce, are on a senior management team, or you are a recent retiree, computer skills are a must. Around the world over, it’s not just about basic word processing and balancing your check book anymore, either. The computer has invaded almost every facet of our modern lives, and thus it has become a necessity to be able to use and understand the computer.
Computer training can take place in a variety of methods, and can cover a variety of subjects. Let’s take a brief look at some of the options out there that are available to the novice, the average user, and even the self-proclaimed ‘expert’ computer user. Many long term computer users find that occasionally taking a computer training class of some sort helps them to stay on top of the ever-changing technology and software of the computer industry, not to mention the terminology used in day-to-day conversations about computers.
Traditionally, computer training has taken place in a classroom. In high schools across the country, many young people are being trained in computer use. In fact, it starts much earlier today in developed countries like the United Stated, Australia and the United Kingdom. Colleges also offer courses on computer use, and some of these are geared towards the adult who has never been on a computer before.
Another method of computer training could involve a correspondence course. These type of courses have also had their heyday, in which they were very popular as well. Distance learning of this type allowed the student to learn at their own pace, and at their own location. While the attraction of distance learning is still a top request for those seeking to learn about computers, there are a couple of additional methods that lend themselves to a more hands-on approach.
Online computer training is emerging today as a force to be reckoned within educational circles. Not only is computer training taking place online, training for just about anything else can be done online as well! Online classes are available for many colleges, and some offer complete course loads online, so you can get a college degree completely from home, through training conducted on the Internet.
One final method of computer training that is worth noting is that of software tutorials using video and/or software. This arena was unknown in the beginning of the quest for computer knowledge (as was the online training), largely because the computers of the past did not possess enough power to run such programs. However, today you can purchase specialized software or videos that will provide you training at your own pace, hands-on, without having to be online.
In conclusion, it goes without saying that computer training is an invaluable service that needs to be on the ‘to do list’ of anyone who is serious about communicating or being productive in our modern society. There are an endless variety of ways to get this training, and some people even prefer to teach themselves based on specific subjects of interest and their ability to conduct research.
How To Clean Your iPhone
When you have a product, such as the iPhone, it is imperative that you care for this electronic device so that it will last you many years. However, one of the easiest ways to care for your Apple iPhone is not to go out and purchase various products to keep it safe throughout its life, while that is important, the best way to show your new cell phone some T.L.C. is through simply cleaning it. However, this poses a major problem for many people. The reason for this is because since the iPhone is such a unique device, and its screen is so sensitive to touch, many people don’t know how they can properly clean their iPhone without damaging it.
Of course, when you are cleaning your iPhone, you don’t want to simply wash it with any type of cleaners, because these cleaners could actually cause the iPhone to malfunction, thus giving you a defective product. When you are cleaning your iPhone, you must ensure that you take extra care, and don’t do it if you are in a rush. The reason behind this is because if you are lazy, or in a hurry, you may damage the inner workings of the iPhone, as well as the ever important screen. When you are cleaning your iPhone, there are several items that you must have. These items will allow you to effectively clean your phone without damaging the sensitive touch screen or the inner workings of your fantastic cell phone.
Before you clean your iPhone, you need to make sure that you have the following items: water, microfiber cloth and your favorite CD to relax you and make the process enjoyable. Make sure that you NEVER use any type of chemical agents to clean your iPhone, because these can actually hinder the way the screen interacts with you. Once you have gathered all of the items sit down and place the water in a small cup. With the microfiber cloth, which is available through the many various iPhone retailers, dip the corner of the cloth into the water, allowing it to become saturated with the water.
Make sure that you do not use too much water though, a good way to test to see if you have enough water is to grab a piece of glass, or go to a mirror, and with the wet cloth wipe off a corner. If there is streaming water drops coming from where you wiped the mirror, than you have too much water on the cloth and you need to dry it out some.
You want to be able to wipe your iPhone screen without having drops of water left behind. Next, take the slightly wetted cloth and begin to wipe the screen of your iPhone in a up-and-down motion. Do not wipe in circles, because this can leave behind smudges that are unsightly when you turn on your iPhone. It will usually take one or two wipes to clean the entire surface of your iPhone. How often you clean your iPhone depends on how much you use it. Since the screen of your phone is the interface to the entire product, than you will be using it constantly, thus the oils from your fingers will begin to build up and create a dingy look to the screen. Average users clean their iPhone once a week, maybe once every two weeks.
The PDA Is Going To Be A Part Of Our Future
PDA’s have definitely been around for a while now. More people are coming to the conclusion that they are more convenient to use for more of the tasks that people do everyday. Some people however disagree with PDA’s because they feel it tends to make our minds lazy. No longer do we have to walk to a shelf and get a dictionary, flip through its pages and find a word, to read the definition. Instead we can put the word in a search area and have the definition within seconds. And there are other tasks just like this that we no longer have to do.
In a way, I suppose they have good cause to feel this way, however technology is moving faster everyday, and in most cases PDA’s are extremely useful. Since PDA’s were first introduced into society and the computer world, they have evolved and revolutionized the lives of those who carry the PDA’s. The newest PDA’s have capabilities that no one ever dreamed would be possible. Making transactions on the Internet, reading emails, creating word documents and spreadsheets, their capabilities are virtually endless. Some are even cell phones as well.
This being said, the PDA has proven to be a worthy asset to the technology world as well as the computer world. It also enhances many of the tasks for everyday people as well as professionals such as doctors, lawyers, police officers, and teachers. The PDA or professional digital assistant was a good idea to whoever came up with the original plan. I am almost positive PDA’s will continue to improve and be revised just like any other product, however the purpose and concept will initially be the same.
PDA’s are a part of today’s world and they will be a part of the future. People need to learn that technology is what this world is based on today. Those who are in disagreement about PDA’s and their usage, are usually the people who don’t understand them. This is the same way as the computer or digital camera. The biggest thing to consider is this; do we stay in yesterday, or enjoy the improvements for a better tomorrow? Our children and grandchildren will have an advantage if you really take the time to consider the facts.
The PDA is a useful tool in many areas of a person’s life, and it is a tool that can be used for many things. It doesn’t matter what type of PDA a person really has, as long as it serves the purpose or fulfills the needs of the individual.
The PDA is definitely doing to be in our future in some way or another. It is not just simply going to go away. It serves to many purposes for those in the business world and those individuals who like to keep track of their daily routine and tasks that they have to do. The idea of being able to keep track of birthdays and anniversaries alone without the means of having to write it down in a book or a calendar somewhere makes it an important asset to a lot of people.
