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What is digital X-ray?

1 user answered

Ram Kumar, Rajnandgaon
User, Level 7 Contributor
In an analog x-ray, a light sensitive film is exposed to the X-rays and followed by this, the film is developed. The digital X-ray has modernized this system and uses a digital detector system instead of the usual photographic light-sensitive film used in analog X-rays. So during the Xray session, the X-rays are directed to a particular part of the body so other parts of the body are not exposed to any radiation.

The digital detector system on opposite sides captures the incoming X-rays which varies in strength and converts them into electrical signals which are then shown on the computer. because there is no time needed for film development The  X-ray images can immediately be collected after the exam a compared t the traditional system.
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When should I use a speaker stand for my speaker system?

1 user answered

Lalit Soni, Sagar
User, Level 6 Contributor
Midrange and treble sound frequencies are very directional. So in these cases, you will get the best sound if your ears are at the same height as that of the tweeter. There are floor standing speakers that can be used without speaker stands, but for small and medium size speakers, you would have to raise the stands to the ear level in order to get the best sound.
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My son is 9 years old and in class 4.He wants to do some hobby course in computers. I have no idea what all are the options. Can you please guide me.He is quite creative

1 user answered

Khushboo Patel, Balco
User, Level 5 Contributor
I can relate to you cause I have a kid too :) You can start with Lightbot, which is an App in Android and introduces kids to complicated concepts in programming through simple and funny games. Post that you can let him try Scratch. After that he should be ready for full fledged coding.
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Kya air gun buy karne ke liye licence lagta hai

1 user answered

Khushboo Patel, Balco
User, Level 5 Contributor
Yes, that is right. That started after 15 Jun this year when the Union home ministry brought into force Arms rule 2016 that also brings Air Guns under the ambit of license. More details in the link below.

http://www.hindustantimes.com/india-news/firearm-laws-get-tougher-even-airguns-need-permit/story-xSZayPM9elkEYnYx4VOh6L.html
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What is 3D TV?

1 user answered

Lalit Soni, Sagar
User, Level 6 Contributor
They are TVs that can show videos that are made in 3D. To see these images, you will need to use 3D glasses depending upon the type of the TV screen. These glasses are at times also sold separately. There are two types of 3D screens called the Active screen and the Passive screen. These TVs display different versions fo an image for the left and the right eye.
These TVs though are not too popular nowadays due to the lack of 3D content available which is currently limited to just a few movies and games.
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Which are the different Television Operating System out there in the market?

1 user answered

Narendra Sahu, Bangalore
User, Level 7 Contributor
Having an OS on a smart TV means that you can add apps, video chat, synchronise data and do even more which can be controlled using a remote control. Given below are the different Operating systems out there in the market currently. 
  • Android TV: These are Smart TV boxes which have Google cast built in. This is the same as the google chrome cast with which you can watch the favourite entertainment from the apps on a compatible television. 
  • Tizen OS: This OS is from Samsung and it searches for Samsung mobile devices nearby and allows content to be shared back and forth between the TV and the device. 
  • LG WebOS: From LG, this OS allows the user to simultaneously search for media that is stored in other external devices, watch a show, play a game and even browse the internet while searching or downloading a content.
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What is a Smart TV?

1 user answered

Taran Luthra, Bilaspur
User, Level 7 Contributor
These TVs can connect to the internet and other smart devices. So they can display the content fro a tablet or a smartphone which you can view on a bigger screen. These TVs can use voice commands and hand gestures or even a mobile device or keyboard to control the TV. In addition, you can even stream online videos and even make video calls. Some of these TVs even have processors and RAM to play videos, run an app and browse the internet.

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What does it mean if a Television has an 'HD Ready' status to it?

1 user answered

Narendra Sahu, Bangalore
User, Level 7 Contributor
It basically means that your TV can display 720p videos. Other than HD Ready it is also called HD TV sometimes. These televisions are able to display 720p in a progressive format. These televisions are able to receive and display high-quality broadcast, something non-HD TV cannot.
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For CBSE board, what is the pass criteria for Class 12th?

1 user answered

Abhishek Mishra, Bangalore
User, Level 7 Contributor
In order to pass in Class 12th in CBSE, a candidate will have to pass in all the five subjects. The status would change to Compartment if he fails in one subject. In such a case the student would have to appear for the compartment exam the next year.
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I use a Dell Inspiron 15R, 5537. On a fully charged battery, for how long would I be able to use my laptop?

1 user answered

Kushagra Gupta, Lucknow
User, Level 6 Contributor
It would not be easy for anyone to say this since the battery run time depends on a lot of factors and would vary for different users. The factors that influence it would be Screen brightness, System configuration, your battery size, processor type, memory etc. It also depends upon the kind of applications that you are using. Also remember that with time your maximum battery capacity reduces.

In general, though a 48Wh battery during normal use gives at 2-2.5 hrs of battery back up while for heavy gaming use it would go down by 1-1. hrs.
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