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While using html the first tag we often use is <!DOCTYPE HTML> . I mistakenly removed this tag and starts with <html> tag. The web page still worked fine and there was no problem with it.Anyone can tell me what is the use of doctype tag when there is no problem in using it?
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It was my birthday last week and my friend clicked some pics with his 13MP camera. I asked him to send those pics via whatsapp. When I opened the pics he sent me on whatsapp, I was shocked. The image quality has been highly degraded. Do you know, why this mess has happened? Also tell me the solution of this problem.
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I have Sony play station 3.I usually play games on it and watch movies but there arise a problem.The indicator light on the PlayStation 3 starts green, switches to yellow, and then quickly switches to red, and blinks indefinitely.Is there is a fan issue or any other issue ? Anyone know please help me
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As do to the growing interest of Facebook i had downloaded Facebook application on my mobile for an easier way to be updated of my account. But i have come across an issue that when all the application in my mobile get updated Facebook application also gets updated, i similarly get the notification of my Facebook application updated but meanwhile when i come across my application it doesn't gets updated although i have got the notification. I have even deleted the application and downloaded it again but that issue remained the same. So i want to know that is there an application issue or some issue with my mobile ?
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I have Sony play station 3.I was playing on it last night suddenly its video and audio stops and shows a black screen.I have changed HDMI cable but the problem still persists.I restarted the play station and LCD too but all in vain. Anyone having this kind of problem or had faced this problem do answer me.
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I am no Technocrat but I want to have knowledge of latest Technologies. I have heard that most of the Computer Notebooks now a days are 64 bit Architectural. What is the basic meaning of 64 bit Architectural Systems and what are their Advantages and Disadvantages. Why they are called 64 bit?
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I have recently encountered a problem with my Xiaomi Mi3 Smartphone. I installed Whatsapp on it but it was not showing any contact in my Whatsapp. I have 769 Contacts in total in my Phone but none of them is listed in the Whatsapp contacts. It becomes very difficult to chat with any person. You have to remember the numbers which is not possible with so much Contacts in Phone. How to resolve the issue?
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I have Logitech Wireless Keyboard and Mouse. Batteries inserted in Key Board work for a long time but Mouse consumes the batteries within a week. I was curious to know if after using the mouse when it is idle should I put the battery in Opposite Polarity in Mouse to use Battery Longer? I mean putting +ve end at -ve and vice versa. Is it a safe practice?
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I am learning software testing techniques on internet.I want to know that what is the difference between white box,black box and grey box testing technique? Do a tester always needs to test the application using more than one technique? And in which type of testing do we check the overall functionality of application?
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