Location Tracking Explained

Posted in Digital Data, laptop, mobile app, Tech news  by Carol
January 26th, 2016

location trackingTracking technology has become a must-have for travelers, commuters, and car-users in general. Where would we be without GPS? Probably still looking for what one drive-in movie theater  in Encino that everyone’s been talking about.

So how does location tracking work? The first distinction worth making is that between Geographic Information Systems (GIS) and Global Positioning Systems (GPS). GIS is more for large-scale location-tracking systems; these necessitate that geographic information be captured and stored. Accordingly, GIS can capture, store, analyze, and report geographic information.

GPS, on the other hands, operates by combining the information detected by 27 Earth-Orbiting satellites (24 of which operate act one time and three of which act as failsafes). A GPS receiver like the one in most mobile devices can detect how far it is from each of these satellites and deduce the device’s location accordingly, through a process called trilateration. Trilateration requires that a clear line of sight be reachable to four or more satellites at once.

There’s also Radio Frequency Identification (RFID), which is comprised of small microchips that can be attached to consumer goods, cattle, vehicles and other potentially moving objects to track their movements. RFID tags can only transmit data if prompted by a reader, which transmits radio waves that activate the tag, which then transmits information on a particular frequency.

Finally, there’s Wireless Local Area Network or WLAN tracking, which uses a network of devices connected through radio frequencies. As these devices pass over ready waves, they provide users with a network that ranges from 70 to 300 feet.

satellitesMany tracking of location-based service systems use one or a combination of all of these different types of technology. GPS is used by equipping all relevant vehicles with a GPS receiver; as a vehicle crosses a mass of land, the GPS satellites can track its position. GPS also allows for an operator to request positioning information at any time. Unfortunately, when it comes to trying to find something within a smaller space and especially indoors, GPS hits a wall.

For more local-area and indoor tracking, the best choices are the RFID and WLAN options. The smallest of the small tracking areas likely warrant an RFID while WLAN takes up the middle ground. For example, to track a child in an amusement parks, some parks are offering parents the option of outfitting the child with a wristband that holds the RFID tag. Then park staff can help a worried parent locate his or her child.

Another excellent use of location tracking is when an emergency occurs and someone calls 911. The government has developed technologies which are expected to enhance the ability of E-911 to locate callers, even if they’re not calling from a landline. This has been mandated by the Federal Communications Commission, so we likely can expect the service to improve rapidly within the next few years. It will begin with a few other phases, but eventually there will be a phase that forces carriers to place GPS receivers in phones in order to deliver more specific latitude and longitude location information to law enforcement in the event of an emergency call.

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Are Firewalls Right for You?

Posted in Digital Data, laptop, Tech news  by Carol
January 6th, 2016

Free Firewall Clipart Illustrations at http://free.ClipartOf.com/

Most people have heard of firewalls and understand that cybersecurity is a real issue in our digital era. However, few truly understand what protection a firewall offers and how it manages to do so. If you’e ever wondered exactly what a firewall does and how, this article is for you.

A firewall can come in the form of hardware or software. Either way, it filters the information that enters your device through your device’s internet connection. If any of that incoming packet of information is flagged by your firewall filter, it’s not allowed through to your device.

This service is instrumentally important to both private and public users. Especially in corporate settings, identifying and blocking packets of information that might allow crackers (malevolent hackers) to probe company devices is integral to the safety and credibility of any business.

That’s why companies tend to install firewalls at every node through which the internet is accessed. This firewall can implement security rules such as limiting the amount of devices that can receive public FTP traffic or controlling how employees connect to Web sites and whether or not they can upload information onto the internet.

Firewalls tend to perform three basic services: packet filtering, proxy service, and stageful inspection. Packet filtering involves analyzing packets of information against a set of filters. Anything that doesn’t make it is discarded. The proxy service feature allows the firewall to retrieve information from the internet and then send it to the requesting service and vice cress. Finally, stageful inspection refers to the process of comparing certain key parts of information packets to a database of trusted information. If the information coming out or in resembles what’s normally sent out and in, it’s allowed. If the information is very abnormal, it’s discarded.

computer-firewall-23219089Firewalls can also be customized to the users’ liking. Firewalls can be programmed to recognize IP addresses and keep foreign readers at bay. Firewalls can also be programmed to make sure particular domains are totally unaccessible. It can be set to follow certain protocols such as Internet Protocol, Transmission Control Protocol, Hyper Text Transfer Protocol (HTTP), and whichever ones a private or public user deems useful for its particular firewall needs.

Firewalls are also used for censorship, so parents worried about what content may come up in their children’s searches can sleep easier at night. Firewalls can be set up to catch particular text inputs like “x-rated” or “x rated” and make sure any information from those servers don’t end up on the display of young users’ devices.

Firewalls have become so prevalent that many operating systems come with their own firewall built in. Software firewalls can also be installed on your computer so long as you have an Internet connection. That computer can be considered a gateway since it provides the only point of access between your home network and the Internet, so keep that in mind.

If you opt into a hardware firewall, you’ll find that the firewall unit itself is generally called the gateway. Routers often have firewalls built in, for example.

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Is a DIY Computer for You?

Posted in Digital Data, laptop, Tech news  by Carol
December 14th, 2015

build your own computerYou may have heard of the latest trend among the tech savvy; it’s become common for people to build their own computers at home.

Obviously they’re not creating microprocessors in their garages, but they are figuring out exactly what kind of each component best suits their particular computing needs and then ordering and assembling them accordingly.

Why? Because when done properly, this allows users to assemble custom-made machines at a lower price, plus it’s a fun learning exercise and experiment for curious DIY enthusiasts.

If you’re interested and want to know more about the process of building your own computer, read on:

The first step in the process is identifying what kind of computer you want to build. Is the computer going to be used by your children for educational games and some internet browsing? In that case, you can save a lot of money by only purchasing the least powerful computing components; you really don’t need much to satisfy a 6 year old. On the other hand, if you’re interested in a machine with the processing power to support your high-end gaming hobby or you need a machine with a huge amount of disk space for your video editing business, you may see fit to splurge on more heavy-duty components.

Ok so let’s start with the motherboard. Motherboards have one of the most diverse ranges of potential of all electrical components.

Cheap motherboards are generally only cost around $50. More mediocre ones may range from $50-100. High-end ones for powerful gaming, computing, and video editing generally cost between $100 and $200. There are, of course, always extreme options that will cost even more because of their extra memory slots, special cooling features, or multiple CPU sockets.

Also worth considering: Are you an Intel or AMD person? What size of a motherboard do you want (i.e. how big of a computer were you planning on?). How many USB ports are you going to need? Do you want FireWire, a PCI Express graphics card, an HDMI port, or a TV tuner?

cheap motherboardAfter you’ve looked deep inside yourself and found the motherboard you need, you’ve opened the door to choosing the rest of your components (which generally need to be the right brand and pin configuration to fit your motherboard).  That means it’s time to start thinking about the right CPU for you and considering what kind of clock-speed you can afford. Clock speed refers to the amount of instructions that a CPU can execute in a second. That means a faster clock speed is great for high-processing functions like gaming but not as necessary for a computer generally used for Microsoft Word and mild internet browsing.

You’ll also want to look for the RAM that corresponds with your motherboard. If you opted into a motherboard that uses specialty RAM, make sure the additional RAM you purchase matches these requirements.

Then you have to choose a video card, an optical drive, and one or more hard disk drives for memory. Your motherboard will help you determine what options remain available to you in this regard; you might need a SATA 3.0GB/s or SATA 6GB/s.

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How do Software and Hardware Interact?

Posted in Digital Data, laptop  by Carol
November 23rd, 2015

You probably have heard of software, hardware, and firmware. I may even wager that you know the difference if you’re asking this question. But can you really understand the different ways these aspects of the computer function without understanding how they interact? I don’t know how you can know anything. But here’s some more stuff to know:

hardware softwareWhen you turn your computer on, the CPU (central processing unit) immediately starts executing software instructions from your BIOS (basic input/output system), which is a special chip on your main board. This program will then request more instructions from a specific hard drive, and your operating system will start to execute.

But how does this explain how the hardware and software physically do their jobs? I’m not sure it will, but think about how a mechanical music box works. Music boxes make particular melodies because they have patterns inscribed on them; patterns of nails, for example, which when a cylinder holding the nails rotates, will strike a keyboard in a particular sequence. If you were to use a music box as an analogy for a computer (which I’m doing), you would say that the particular pattern of nails on the music box is equivalent to the software on the computer, while the nails themselves, along with every other physical component of the box, fall under the category of hardware.

So back to your CPU: It has, like every other CPU, a particular manual describing which patterns of bits (analogically synonymous with the music box’s nails) do what. Bit, by the way, is short for binary digit. The first part of any pattern of bits is going to be the instruction, which selects which part of the CPUs circuits to open; it has a circuit for addition, a circuit for storing to memory or reading from it, etc. The second part of the bit pattern is the operand(s), which is the data that gets passed along to the circuit that is currently selected. It could be a number, a memory address, a register name, whatever.

hardware software broLet’s go back again in case that’s confusing: software is basically just a series of 0’s and 1’s. The operating system of the computer(that’s the software) is what reads the software code (which exists physically on the hardware) and translates it into binary. Software code, as it exists physically, is just a series of either magnetized or demagnetized pieces of metal (as in a hard-disk drive) or a series of transistors which either are switched on (meaning they possess electrical current) or switched off (meaning they don’t). The pieces of metal and transistors are tiny; they exist only on a microscopic level.

While software can change other software on versatile memory devices, “firmware” is software written on devices that are not versatile, like read-only memory (ROM). Firmware is the foundation for your device’s operating system and all other software, so it’s the most basic software on your device and it usually cannot be manipulated.

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What is the Internet of Things?

Posted in Digital Data, laptop, Tech news  by Carol
November 2nd, 2015

internet of things

“The Internet of Things” (IoT) joined the rank of tech buzz phrases when Kevin Ashton (cofounder of MIT’s Auto ID Center) first mentioned it in a presentation he made to Procter & Gamble in 1999. One decade later, the forward-thinker continues to elaborate on the concept in an article he wrote for the Radio Frequency Identification (RFID) Journal:

“Today’s computers- and, therefore, the internet- are almost wholly dependent on human beings for information. Nearly all of the roughly 50 petabytes of data available on the Internet were first captured and created by human beings- by typing, pressing a record button, taking a digital picture of scanning a bar code. Conventional diagrams of the Internet include servers and routers and so on, but they leave out the most numerous and important routers of all: people. The problem is, people have limited time, attention and accuracy- all of which mean they are not very good at capturing data about things in the real world.”

“If we had computers that knew everything there was to know about things- using data they gathered without any help from us- we could be able to track and count everything, and greatly reduce waste, loss and cost,” he continued. “We need to empower computers with their own means of gathering information, so they can see, hear and smell the world for themselves, in all its random glory. RFID and sensor technology enable computers to observe, identify, and understand the world- without the limitations of human-entered data.”


Let’s back up for a second. For the record, a “thing” in the Internet of Things, can be a person, an animal, a vehicle, or anything else man-made or otherwise that has been assigned an IP address (a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network) and provided with the ability to transfer data over a network.

For example, take the latest health-craze product known as the Fitbit. The Fitbit is, among other things, a pedometer that tracks the amount of steps taken by the wearer in a day. That information is then immediately sent to the user’s Fitbit account, so the user can track the changes of his or her daily movement. The Fitbit therefore occupies a space in the Internet of Things as it constantly transfers data, over a network, to be accessed by other devices.

Ashton believes that products like the Fitbit scrape only the tip of the Internet of Things iceberg: “It’s not just a ‘bar code on steroids’ or a way to speed up toll roads, and we must never allow our vision to shrink to that scale. The Internet of Things has the potential to change the world, just as the Internet did. Maybe even more so.”

That said, the Internet of Things has already come a long way from its humble beginnings; the first ever internet appliance was a lowly Coke machine at Carnegie Melon University. Its programmers manufactured it in the 1980’s with the intention of always knowing if it was stocked before they got up from their desks.

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Posted in Digital Data  by Carol
September 2nd, 2015

Importance of digital data:

Digital data stored in various hardware components play a very vital role in any form of business or personal use otherwise. The world has evolved so much so that every single information that we need today, we end up storing it in the digital form, namely, disks, CDs, DVDs, Pen drives, external hard drives, SD cards, PCs, lap tops and so on. There is not a single person today who never stores the information in its digital form – be it is personal or business, or even our day today activities like banking, ticketing etc. Todays’ world is digital world wherein we are deeply dependent on all these above mentioned hardware components to mainly store our information for daily as well as for any future use.

Damages caused to data:

All or partial digital data is lost when a damage happens to the hardware device in which it was originally stored. The nature of damage could be a physical one or a logical one caused by a break in the hardware component or a logical loss due to an operating system crash or a virus attack or overwriting a particular data by mistake or otherwise. In most of the cases, the user need not worry as there is something called data recovery option by which the lost data can be easily recovered completely or partially by using sophisticated recovery software or simply by making a mirror image of the data into another storage device for recovery as well as for any future use.

Recovery phase:

In case of lost or damaged digital data, the recovery phase plays a vital role as most of the times, the data is in a very much high need and it is very critical for further processing. Any kind of digital data loss is a big damage unless it can be recovered successfully. That’s why, in most of the critical cases where the digital data is highly crucial, the data base administrator always makes complete backups every now and then like a weekly backup, monthly backup as well as daily backups in almost all scenarios as that will make the recovery phase easier in case of any data loss. Digital data is always crucial as without that one cannot proceed further or run any kind of operation smoothly. Hence for better performance of the system, regular backups and recovery methods are always important.


To sum up, data recovery is a very crucial phase in case of any kind of digital data loss or damage to the device it has been stored. Using the latest techniques and recovery software, one can easily recover the digital data lost and store it in a safe place for future use. Data loss can happen anytime and hence the person in-charge, called the DBA or the database administer has to make regular backups of the entire digital data for smooth running of the system and operations.

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All About 3D TV

Posted in Uncategorized  by Carol
March 4th, 2015

all about 3d tv

You’ve heard all about them in the commercials and from your friends, but what are 3D TVs and what are they all about? Not everyone prefers them, but these televisions have swept the market. Here’s everything you need to know about them, so that if you decide to purchase one, you can purchase it with confidence!

First of all, a 3D movie is a film that was actually filmed by two separate cameras. The perspective of the cameras are there to mimic the perspectives that differ between our right and left eye. Each manufacturers takes a different approach when they produce their models. These TVs can be either Active, or Passive, though the basic concept behind all of them operate on creating a right and left version of the film on screen. What makes that difficult, is making sure that the right images are getting to the correct eyes. That is why we need 3D glasses.

All TVs on the market right now require the viewers to wear glasses in order to experience the 3D effects. A few years ago, the only 3D TVs on the market required you to use battery powered glasses to make them Active. These glasses had lenses that would alternate between block the left and right eye in sync with your 3D television. This way, only your right eye sees the image on the right and your left eye see the image on the left. This is much more sophisticated that the blue and red glasses they hand out at the movie theater (which is also why they are significantly more expensive).

The movie theater glasses are what is considered Passive. For passive 3D viewing, the TV itself will be doing a majority of the work. Two images are being displayed like the active glasses, but there is also a special coating on the screen of the TV that works with the polarized glasses. This is what creates the 3D effect. Unlike the sometimes annoying flicker of Active 3D glasses, these provide a crisp and bright image. It’s less sensitive to motion and the consumers angle of viewing, making it a bit easier to enjoy. Not to mention, these require no batteries, so they are also lightweight and nearly identical to the ones you get at the movies.

Regardless of whether the 3D televisions (and matching glasses) are passive or active, your brain is what combines the right and left images. Our minds create a single, seamless viewing just like it does every day when you walk around. If you go to a 3D movie, and wish every experience could be like that, then buying a 3D TV is probably right up your alley. Again, even though not every movie is provided in 3D, there are TV models that can convert the 2D image into a 3D experience, or simply just let you watch 2D. Considering the sophisticated technology and responsive screen required for 3D films, many manufacturers will tell you that these TVs also have the best 2D view experience on the market.


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Things to be considered before selecting a hard drive recovery service

Posted in recovery service  by Carol
November 6th, 2014

Data recovery service is a very important service to retrieve all the important data from any damaged or corrupted hard drive or any other storage devices.

lab1The hard drive may get damaged due to several reasons. It may be due to virus attack, corruption of files or hardware failure. Hard drive recovery services helps to get the data and keep them away from any further damages or attacks. The data recovery for any big organization cannot be done by a single person. You need to avail the professional data recovery services to restore all the essential data of your organization. Whenever your computer system shows any error in booting or cannot start up, you need to immediately contact with a data recovery services.

These services are perfectly designed to meet your organization’s data retrieval needs. They assure to provide their service with great accuracy, high security and quick turnaround time. The data can be recovered from hard drive, SATA, SSD Drive, RAID and Flash Memory. All the recovery processes are carried out by skilled and certified professionals. There are huge numbers of service providers, who claim to be the best in data recovery services. But you need to be extremely careful, while choosing the best and professional data recovery services.

Here are few important things that you should remember, while choosing a hard drive data recovery services:–

• Certified Professionals-The professionals of the data recovery services must be certified, to perform the task with great competency. The professionals should have adequate knowledge of advanced data recovery processes and techniques.

• Experience and knowledge of data recovery –The service providers must possess years of experience in the field of data recovery service. The company should also have a good reputation in the market and the professionals should have hands on experience in the particular field of data recovery.

• Security assurance-The service provider must assure to provide 100% security and confidentiality of your organizational data. Generally companies, look for a service provider, which can take a great care of their vital information or data on the hard drives. If the data reaches to any wrong hand, it may cause great damage to the reputation of the company.

data_recover_clean_roomReasonable cost-Cost is a very significant element, when we choose any data recovery services. The service provider should charge reasonable rates and it should suit the budget of the organization. But don’t opt for a very low cost service provider, as they may not offer a great quality service. You need to select a service provider, who uses the latest advanced techniques of data retrieval and charges a moderate service amount.

• 24×7 Customer support service-The service provider must assure to provide a 24×7 customer support service, to solve all harddrive recovery services related issues. If the customer support is not competent, the organizations may suffer from huge crisis, in case of any complex situations. Hence, try to select a service provider that have a great customer support service and guarantee to offer best technical support.

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Top tips to follow while buying a laptop

Posted in laptop  by Carol
October 15th, 2014

The world we are living is very much advanced, and these advancements have changed our life in a highly positive manner. The advent of high end devices like Smart phones and laptops has brought about benign benefits in our lives, and it is quite impossible for us to think about a single day without opening these devices. laptop1Most of the people around us have their own smart phone devices and laptops, and more than technical gadgets, they are now style icons too. If you have a laptop which is being made in the first decade of 21st century, then it is high time you should change it. You should switch to a more advanced device, and it will enhance your style and technical sophistication. A laptop which is one impeccable configuration will help you to conduct all your operations in an effective manner, and if blended with charismatic style, people will fall flat for you within a glance. This article will provide you some of the most noted tips which you should follow while buying laptops.

Consider buying a touch screen laptop: 21st century can be considered as the era which is dominated by touch screen devices. These devices are very much easy to use, and it will surely help you to navigate from one web page to another in an effective manner. Nowadays, many laptops which are powered with Windows 8 are available with touch screen facility, and these devices will provide you a new experience of web navigation.

laptop2The absence of mouse cursors will provide you a personalized experience, and you will enjoy each and every moment of your browsing session. Many people think that touch screen laptops are heavily priced. This is absolutely a misconception, and you can easily buy touch screen laptops at a rate below 30,000 INR.

Use your favorite operating system: The type of Operating System installed in your laptop plays a crucial role in determining its efficiency. Nowadays, most people prefer Windows platform, but if you are buying genuine Windows version, then it may sometimes spoil your wallet. If you want to save some considerable amount, then it is recommendable to use open source OS like Linux. As per many experts, Linux is much more stable than Windows, and it is free from various virus threats.

Check the features: You should always make sure that the laptop you are choosing is loaded with a dual core processor. The presence of a dual core processor will drastically enhance your speed, and you will not be compelled to wait for even a second after clicking an icon. You should also make sure that the laptop has 4 or 5 USB slots. This will help you to attach a USB keyboard and mouse for better functioning, and in the meantime, you can also use USB storage devices.

All the three tips mentioned above are highly effective while searching laptops, and if followed wisely, it will help you to select the best one which matches your needs.

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What is the vitality of having a mobile app for your business?

Posted in mobile app  by Carol
September 28th, 2014

The world we are living is highly advanced in nature, and these advancements have created drastic changes in all areas of our living. Unlike previous days, most of the businesses are now running with the help of internet.

mobile1Business owners who have gone online are now reaping its benefits, and they have succeeded in taking their operations to new heights of success and glory. The recent trend in the marketing sector is nothing other than mobile advertising. This system of marketing is creating revolutions in this arena, and entrepreneurs who have the capability of foreseeing future developments are now developing mobile apps for their businesses. Nowadays, most of the people have a smart phone in their hands, and they are carrying it in a 24/7 basis. The presence of a mobile app will help you to get in touch with these customers, and the final result will be nothing other than quick business growth. This article will provide you the vitality of using mobile apps for your businesses.

Build brand loyalty: This is the first and foremost benefit of developing a mobile app for your business. A mobile app for your business will surely increase the brand loyalty of your products, and this is the first and foremost thing you should attain to achieve business growth. You can even move a step ahead, and can provide coupons for checking in at your business point. After providing the coupons, you can fix a specific date or time for ‘unlocking’ the coupons. These techniques will surely create an impression in the minds of customers, and finally, they will give a special place for your product in their heart.

Proclaim your presence in the online world: The presence of a mobile app for your business will help you to advertise your products and services in the most efficient manner. You can easily became the talking topic in social media sites like Facebook and Twitter, and this will catalyze your business growth without any doubt.

mobile2Provide all the updates about your business: Most of your trusted customers will be very much keen to know your new business moves. The presence of a mobile app will help you to provide all up to date information about your business, news and events. You can even create a customized events calendar. Through these facilities, your customers will be able to find anything and everything they wish to know about your business.

Travel with your customers: If you have a mobile app, you are literally travelling with your customers to all the places they are going. Your app will be there in your mobile device all the time, and this will remind them about your products and services whenever they look their phones.

All the benefits mentioned above are highly noted, and these benefits play their crucial role in determining the popularity of mobile apps in the business sector. ‘Always remember, without proper marketing, it is highly impossible to run any business to success’.

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