VR Headsets As Fast As Possible

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There are plenty of ways that people try to escape the sometimes-underwhelming reality of everyday life. Going to the movies, visiting the local watering hole or just sleeping until noon. But there's been a lot of buzz recently about the idea of immersing yourself in a virtual world with a virtual reality headset such as the oculus rift or HTC vive. 

But even though the concept of plugging a general-purpose VR headset into a gaming PC is just starting to take off. People have been sticking their heads into virtual environments for quite some time. All the way back to 1962 when the world was introduced to the ‘sensorama’ a contraption that not only played 3d movies but, could tilt the viewer seat and even simulate wind and different orders.

sensorama

Virtual reality in video games didn't really start appearing until the 1980s. When we started seeing arcade games like battle zone that used a periscope viewfinder to immerse players in the action and 3d glasses that were available for consoles like the Sega Master System. 1995 brought us the Nintendo Virtual Boy the first mass marketed VR console. But, although that one was marketed as being a totally immersive experience. Its underwhelming monochrome graphics and difficulty of use made it one of the worst flops in Nintendo history.

Nintendo Virtual Boy

However other companies were working on PC compatible headsets during this time and the evolution of technology over the years ultimately gave us the hi-spec VR headsets of today. But then how do they work? Modern VR headsets show slightly different images to each of your eyes to fool your brain into thinking the 2d image on the screen is 3d. This principle is called stereoscopy and is actually similar to how the screen on a Nintendo 3ds works.

To achieve a higher level of immersion VR headsets, use special lenses to increase the users field of view as well as pixels with very quick response times to reduce motion blur. Meaning OLED screens have become popular for headsets.

Unlike a monitor which can deliver a perfectly enjoyable gaming experience at 60 frames per second headsets have higher refresh rates typically around 90 Hertz and the high-quality ones today. Which is important because lower frame rates lower refresh rates can be disorienting in a VR context and cause motion sickness.

Not what you want after you've dropped several hundred bucks on a rift or a vibe. Because though of the high frame rate requirement and the headset resolutions that are well beyond 1080p a high-end PC system is basically a necessity.  But beyond just graphics VR headsets have sensors like gyroscopes and accelerometers to allow for head tracking. So that what you see will change depending on where you're looking.

Some headsets like the HTC vive even use separate external base stations and lasers to enable whole room tracking so the system can detect the motion of your hands as well. So, as you can imagine these headsets don't exactly come cheap. Fortunately, other lower-cost VR solutions are becoming increasingly popular such as Google cardboard which isn't much more than a couple of lenses inside a cardboard box with a slot where you can insert a smartphone.

HTC vive

Developers have already written quite a few apps for cardboard making it a way to enjoy VR on the cheap if you don't have the coin for a gaming rig and a fancier headset. Although this new generation of VR headsets is just now hitting the market. There's already quite a bit of industry support meaning that VR has the potential to really make up how we experience games on both PCs and consoles.

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USB 3.0: Everything you need to know as fast as possible

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Today we're going to tell you everything you need to know about USB 3.0. The main advantage of USB 3.0 is speed. It is up to 10 times faster than the last generation USB 2.0. While it's only half as fast as some other technologies such as USB-C and Thunderbolt, it is universally compatible it's right in the name. So it's backwards compatible with USB 2.0 and you don't need a special computer to take advantage of it.

If you're not sure if your device supports USB 3.0 you can check the manufacturer specifications or another easy way to tell is check the inside of the connector the key that keeps you from putting it in the wrong way is usually blue on USB 3.0 devices. Now most USB 3.0 devices these days are storage devices because that's where you can take advantage of that extra performance. However, there are other devices that are available such as things like external video capture devices that USB 2.0 is not fast enough for but USB 3.0 is.

I often get asked where to plug a USB device into? The simple answer is because of that backwards compatibility it doesn't matter. All you do is, plug the USB Drive into the USB port which is usually easy to recognize because it has a blue colour coded key on it. If that's not present you can look inside the connector to see if there's additional pins.

Your computer will also usually prompt you if you install a USB 3.0 device into a USB 2.0 port saying, “hey you've got USB 3.0 ports if you want to take advantage of that extra speed switch it over to that.”

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Things you should consider before Buying a Smartphone

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Today I'm going to show you some tips you should consider while buying a new smartphone.

1.Processor

2.RAM

3.Camera

4.Storage

5.Display

6.Operating Frequency

7.Battery

8.Software

9.Design

(1) Processor:

Thr quality of the cores is important than the number of cores. What you think ,"Is 8 cores better than 4 cores?" It's not necessarily, Unless you are an avid gamer (or even then), you don’t need 8 cores.  Below are some options for Processor

Budget – Snapdragon 410, MT6732, MT6735

Midium Range  – MT6752, Snapdragon 615, MT6795T

High end – Snapdragon 810 (2nd Gen), Snapdragon 808  Snapdragon 800, 801, 805 are also good option for mid-range buyers.

(2) RAM:

More RAM Might Not Improve Your Device Performance. RAM in phones work a little different than in your PC. Your recent apps are cached in RAM, so more RAM will allow you to switch between apps faster. If you are into experimenting and keeping several apps on your phone, you should opt for more RAM in your Android device.

(3) Camera:

High Megapixels Count doesn’t mean better camera performance in Android. It only adds more details to the picture. The camera quality depends on a number of hardware and software factors in your Android device. The size of the camera sensor makes most difference than megapixel. One 5 MP with Carl Zeiss Optics can shoot a better picture than a 8 MP normal optics. So be careful next time to choose camera phone.

(4) Storage:

Internal storage/NAND flash storage is very critical to your smartphone performance. More of it is always a good thing for your device. One phone with 64 GB internal memory may be perform better than a phone with 8 GB internal and 64 GB Micro SD. Choose for a phone which has more than 16GB internal memory for a better performance of your device.

(5) Display Resolution:

Please Note that, not all HD displays are equal. Despite high resolution and high pixels per inch (PPI) value, you might have a bland LCD. Color reproduction, brightness and sunlight visibility are those factors which you should consider. Choice preference between AMOLED or LCD?

AMOLED LCD:

 • Deep Contrasts

 • Awesome Black

 • Bit Oversaturated Colors

 • Predominant Blue Tinge

LCD:

 • Brighter

 • Better Viewing angles

 • Better Sunlight visibility

(6) Operating frequency:

Now it’s the era of 4G. Make your phone future proof by opting a phone that supports 4G or may be 5G in future. We all know, 4G will give us faster data transfer rates. A LTE enabled phone is backward compatible, so it will also support 3G and 2G networks.

2G: GSM 850, GSM 1900

3G: UMTS 850, UMTS 1900, UMTS 1700, UMTS 2100

4G LTE: 700, LTE 800, LTE 1700, LTE 1900, LTE 2100,      LTE WCS 2300 (30), LTE 2500

(7) Battery:

High mAh rating is not means better battery life. Software optimization and Hardware will contributes to your device Battery life. Today's generation processors gives better battery life than old generation processor with thousands of mAH. Your mileage may vary depending on how you use your phone,  how much power hungry the display is, how long you have LTE enabled on the phone and how efficiently your software handles CPU cores.

(8) Software:

Buy a most updated software to be future proof and bug proof in your Android. The latest software means you have the latest hardware to handle the new features too. Buy the phone with latest updated software preinstalled or the one with promised upgrade for the software in future. Software is not effect as other but we don't ignore it.

(9) Design:

Design of the phone attributes to the first impression of the your phone. Uni-body aluminum design looks more premium and attractive than a plastic phone. Edge to Edge display design will give you a bigger display without increasing overall size of your phone.

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What is Malware? Virus,Trojan, Worms.

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I think you all are hear about Virus, Malware, Trojan and Worms. Many of you are confused in these terms. So, I will explain detail and difference between all these terms and also give you some suggestion to protect yourself from these.

First, forgot all things about these terms which you have read or hear till now.

First term is “Malware”. The name of the Malware is ‘Malicious Software’. It means a software which is not secure to use and if it enters to your system, it will damage your system. The common source of the Malware is internet. You may be surfing some malicious website, download some pirated content or software or click on malicious website. These all are the main source of the Malware. In other hand, you insert CD/DVD or Pen Drive from unknown source, Malware also come offline from these sources.

There 3 types of Malware:

(1)  Virus

(2)  Trojan and

(3)  Warm.

These all are different and all damage your system in different way. Let’s discuss about all terms.

Virus:

Virus can damage or corrupt a particular file in your system. For example, you have some document in word or excel and some virus corrupt that document then, that file will be form of junk file and you can’t get information from that file. It may be also possible that, virus corrupt full word or excel software. Now if you copy this file to other system then this virus can also corrupt that system.

Worms:

Worms try to multiply themselves and spread maximum. If worms enter in your system then, they starting to copy of your different files and slow down your system. If you copy these files then, that device also affected with Worms with same process of multiplying files and folders.

Trojan:

Trojan is like fake software. Trojan enters in your system as useful software, but in reality, it is only for damaging your system. For example, some memory clear software, some Anti-Virus software or some speed boosters are Trojan. You think all of these clean your system, speeding up your device, but once it enters in your system then, it starts working and slow down your device and also provide entrance for new Trojan, Virus and Worms In your system.

                              

 

Now we are discussing about how to protect from Malware. Browse only trusted website. Don’t click on any unknown website. If you get some SMS like “Chance to Win iPhone”, then never click these type of advertise. Also, don’t trust and open fake email from some advertiser. These are the trick you should take care in online browsing. 

I recommend all to install some Anti-Virus and Anti-Malware software in your computer. Use paid/License Version of Anti-Virus or Anti-Malware. If you are using free Anti-Virus or Anti-Malware, it may not work. So, use only paid version of any Anti-Virus or Anti-Malware. Don’t use pirated files in your PC. It not always content Malware in pirated files, but it may be possible. Insert CD/DVD and Pen Drives only after scanned by Anti-Virus software, because only some seconds are enough time to enter Malware in your computer.

Now you have already Malware in your system, then how you will remove that. Use your paid/license version of Anti-Virus and Anti-Malware and scan your system and clean up all Malware. But sometimes your Anti-Virus can’t able to clean them, then only way to clean them is format your computer Hard-Drive.

I think you have clear all your doubts about these terms. If you have any further query about these terms or any suggestion for my next post then please Comment it below.

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Misused Technology Terms

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My friend one day tells me, “OMG!!!!!! My Facebook got hacked”.

What that really mean is he left his computer/phone unlocked and his idiot friend thought it would be funny to send some messages to his sister. So in today’s post I am going to tackle a number of commonly misused tech terms to clear up any confusion and help all of you win your next internet fight.

Let’s start then by venerable hard-disk. There are lot of people who use the term hard drive to refer to any sort of non-removable storage in a computer. But it only refers to mechanical spinning drives.

If we break it down, the word 'Hard' refer to rigidity of the disk or the magnetic platters inside the internals of floppy disks by contrast were flexible.

So, don’t refer to SSDs (Solid-State Drives) as hard disks or hard drives. If you want to talk generally about mechanical drives and SSDs as a group, you say “Drive”.

Now speaking with internal PC components for a moment. Let’s talk about your GPU or is it your graphics card. It’s common to hear people use GPU to refer to this.

But the GPU actually only refer to the graphics processing unit, the chip given in below image.

For example, GP 104 which Nvidia brands as a gtx 1070 or 1080 depending on how many of its processing cores are enabled from the factory. So, it’s fine to call an RX 480 as a GPU. But if you talking about a specific model like given below then, you’re better of calling the whole assembly as a video card or graphics card.

In the case of highly integrated devices like smartphones, the graphics accelerator is usually part of SOC (System on a Chip). So, stick with GPU in that case, rather than calling your Adreno 420, we should call it ‘a graphics card’.

Let’s move on to removable media namely ‘Optical Disk’. I’m bringing them up to highlight the difference between “Disc” with a C and “Disk” with a K. They both sound the same and for this reason both words are used interchangeably quit often to refer to CDs, DVDs and Blue-Rays. But “Disc” with a C actually specifically refers to optical media, While “Disk” with a K is used for magnetic media such as floppy disk and hard disks.

You might understandably be a bit confused over how the letters HD seem to appear on everything from cheap 1366 by 768 TVs to outrageously expensive 8K displays. Well, while the term HD isn’t technically incorrect, as long as resolution is at least 720p.

TV manufacturers often use the term HD without any qualifiers to mean 720p exactly and it makes lower end screen sound more appealing. If you want to know unequivocally what each HD variant really means then, HD is 720p, we’ve covered Full HD is 1080p, q HD or quad HD means 1440p and last UHD or Ultra HD means 2160p and up. I guess words like full and ultra, sound a lot sexier to potential buyers than a jumble of numbers, but it’s confusing nonetheless.

To make things more baffling terms like 2K and 4K actually refer to cinematic resolutions used in the movie industry. It meaning that true 4K is actually little wider than most 4K monitors or TVs on the market.

If you’ve seen 1440p monitor advertised as 2K, well take a moment to shake your head and the discuss as the actual 2K resolution used in cinema is nowhere close to 1440p. Real 2K is actually just a slightly wider 1080p.

So then are there any misused tech terms that drive you all crazy, put them in comment section below.

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SSD (Solid State Drive) vs HDD (Hard disk drive) as Fast As Possible

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Which is better an SSD or a hard drive? Honestly it's sort of like asking which is better a motorcycle or a semi-truck? Alright so you might be sitting there going that's a weird thing to say Aky, why would you say something like that? And my answer is because they're really not that comparable, they're just different.

Let's start with performance when it comes to raw speed SSDs are faster. I see many folks comparing the sequential speed of an SSD to the sequential speed of a hard drive and say, “oh well they're kind of similar”. But the reality of it is unless you copy large files back and forth all day this specification is pretty much meaningless. I'm serious, it has nothing to do with the way that they will do that you will perceive the performance in the real-world.

SSDs are all about little data transactions that happen all the time all over the place when you're running something like an operating system on them or You know an instant message comes through or a program launches and many other process, it needs to access a ton of little files all over the place. These are the times when not having to physically move ahead across a disk allows an SSD to utterly destroy a hard drive in terms of performance. In system responsiveness any modern SSD will be easily several times faster than any hard drive and sometimes much more than that.

Ok that's great but, what if you have lots of data to store and that's your main concern. It's not like playing back video or music files or looking at your archive of pictures requires blazing fast performance. So this is where hard drives still excel at the time of filming these 160 dollars buys you either a 256 GB SSD or a 4 TB. Yes, a 16 times larger hard drive. For that kind of difference in price per GB, you could literally build two hard drive based storage boxes and have one of them set up as an off-site backup with the money that you saved by not using an SSD based backup solution. So, yes folks for mass storage of data we are a long way away from hard drives being replaced by SSDs.

Okay but what about reliability? Now this one's a little bit complicated. Hard drives are pretty reliable these days. But as devices with moving parts they will die eventually. The good news is they usually give warning signs like, if your hard drive is making clicking noises right now. But the bad news is that any kind of use will wear them out. For SSDs reading from them a lot won't really wear them out very much especially if you keep them running cool. But, if you write to them heavily you can kill a consumer-grade model relatively quickly. 

So I guess I'd put it this way. In an environment where shock is an everyday occurrence such as in a notebook or tablet I would choose SSD every time. In an environment where that's not the case, then reliability to me is a secondary factor after I determine my performance and storage needs. It leads us to the in-between solution hybrid drives. These leverage the technology of hard drives and SSDs at the same time.

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Create WiFi Hotspot in PC Without Software

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Today I discuss about how to create hotspot in your PC/laptop without any software.

We have may software for this like I recommend “conneectify”. Also in Latest version of Windows 10, we have built-in setting that enable Hotspot.

Follow steps given below to create hotspot without software,

     1)     Open Command prompt in your pc. For this press 

     “Windows + R” and type “cmd”.

     2)     Then type command given below

     Command: netsh wlan set hostednetwork mode=allow ssid=hotspotname key=password. Then press Enter.

     3)     Now your hotspot is ready to use, just you have to start it.

     4)     For start hotspot type command given below,

     Command: netsh wlan start hostednetwork. Then press enter.

     5)     Now check that your hotspot is ON.

     6)     For stop hotspot type command given below,

     Command: netsh wlan stop hostednetwork. Then press enter.

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HTTP vs HTTPS as fast as possible

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We all use Internet in our daily life, but we get confused when we see that websites which we surf have different format. Sometime you get “HTTP” or sometime you get “HTTPS”. So many of you have question that, what is difference between them and what is better for you? After reading this post you can maintain your basic knowledge and privacy.

The full form of HTTP is “Hypertext Transfer Protocol” and this is the set of rules based on which Internet is working and you can exchange information through Internet. The data that you get from website server or send data to server is possible because of HTTP, but the main problem in it is connection is completely open and all data are created in plain text. 

If some person may be a hacker, monitor your device and he/she sniff your data packet then he/she easily get information about what and where you surf on Internet. In normal case like you are reading a novel then it would not affect you. But in some private session like log in page, online payment, net banking or many other, if your data is sniffed by someone and all data is in plain text then you may be trapped in big trouble. In such case all websites use HTTPS.

The ‘S’ at the end of HTTPS stands for "Secure". This mean server which crated between your browser and Web server is completely encrypted and some other person want to misbehave with you and get some packets then also he/she cannot find exactly text, what and which website you surf on Internet, because the complete information is in encrypted form.

You found HTTPS in all popular websites, especially social media websites, online shopping websites and bank websites. Google also prefer HTTPS websites and in google ranking HTTPS get more preference. If you have own blog or website which contain HTTPS then you can get higher rank in google search results. Practically there is no need to HTTPS in everywhere.

One websites where you are reading jokes then there is no need to HTTPS in that website, but it’s better to have HTTPS because of privacy. If you are owner of website like me then you want to have HTTPS in your website, for privacy and secure browsing of your client. If you have shopping website then you must use HTTPS, because security of your client data. For this you have to apply for SSL certificate (Secure Socket Layer). After you get this, you have to install that certificate in your web server and then you get HTTPS based secure connection.

If you see in your browser, you get lock icon before URL with text ‘Secure’. Then you can understand that this website is secure for surfing and if you browse some website which contain HTTP then please don’t enter your ID and password or your card detail or any other personal details.

I think you understand basic difference between HTTP and HTTPS. My website is also secured by HTTPS, so be safe while browsing any other website as my website is secure by HTTPS.

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