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Amazon Echo | More than an Assistant

October 31, 2016

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Electricity Magnetism and Metal Detector | How do they work?

Friends, you must have seen while visiting the shopping mall or any important place that the security guards there have a device in their hand. The device starts making beep sound if you have any metal such as coin or bike’s key. Yes, my friends, I am talking about metal detector. Using this technology, military and security guards around the world pay security service. Actually, the metal detector is the technology based on science and electromagnetism. Let’s know how they work. Electricity and Magnetism: Friends, today’s metal detector is not a new technology at all. Though it is used for security purpose now, it was invented to find out hidden treasures. However, now we will try to find how this technology works. Friends, Electricity and Magnetism are such two topics in physics that are strongly related to each other. You can say it, two souls in one body. So, where there is electricity, there is magnetism. And electricity is made there where magnetism is pr

2G 3G 3.5G 4G 5G | How does mobile broadband work?

Who doesn’t want faster broadband speed? But the main problem is, this line is tied to the telephone line in your home. So, when you travel by bus or train, or when you stay outside your home, the broadband does not help you much. What can you do in this circumstances? Give thanks to the ultimate developed cell phone network. Using this network, you can get access to mobile broadband and wireless Internet by using your mobile phone. But do you know, "What is Mobile Broadband and how does this mobile broadband work?" Let’s look upon the matter. Actually, mobile broadband works upon an easy idea. But it is a little bit difficult to describe. So, in this post, I will try to provide you idea on both common and technical issues. Broadband on cellphone network: Mobile phone is created on the inspiration of land lines. When you say about landline, a connection is created between your phone set and your caller’s phone set. It is called circuit switching. Wh

Online Security | Are your online accounts safe?

I am sure you know that Mark Zuckerberg’s Facebook, Instagram, Twitter, Pinterest and Linkedin accounts were hacked. I am writing about online safety today. That means, you will be able to know about the security of your online accounts if you continue read this. Just think friends, Zuckerberg is one of the founders of popular social media and his accounts were hacked. So, a big question comes before us: How safe is our online accounts? As a security conscious user, I just want to say that it has not been possible to invent any system so far which is 100% Hack-proof. However, there are some rules and by observing or practicing those we can secure our accounts. Maybe, it would not be 100% Hack-proof, but it must be a trouble for Hackers. Just think once, you can buy or sell anything online instantly, in the same way all of your information could be lost. And the balance of your credit card could be $000 overnight. Anybody can own this experience any day any time. So, it is

What is a Chromebook ? Is it good for you?

You must have heard about Chromebook? Now I am going to describe whether you should buy it or not and its advantages and disadvantages. Let’s go ahead. What is a Chromebook? I could answer this question in a word. But, if I describe a little more, you will not only understand it but also know its importance. I know that many among us switch on their laptop or desktop and open a web browser and spend the rest of the time using that web browser only. We do all of our works with Google chrome, Mozilla Firefox or Internet Explorer/ Edge. Such as checking for new mail, Facebook, Twitter, online news reading, reading articles on blogs etc. It is seen that there are many users who will not turn their laptop on if you say that the internet connection will remain off for several hours. Because, today the need for Internet is the greatest of all. And to use Internet we use web browsers. But if you can meet all your needs with one web browser, what is the necessity of W

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Amazon Echo
Electricity and Magnetism
Google Chrome
Google Chromebook
Internet privacy and security
Metal detector
Mobile Broadband
PC upgrade
Wireless technology

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