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4K is the hottest buzz word in the tech world right now.
In practice, you will often see UHD used interchangeably with 4K, whether describing TVs, source devices, accessories or content.
4K TV, also known as ultra HD or UHD display about four times the detail of HD.
Technically, "Ultra High Definition" is actually a derivation of the 4K digital cinema standard. However while your local multiplex shows images in native 4096 x 2160 4K resolution, the new Ultra HD consumer format has a slightly lower resolution of 3840 X 2160.
In the short term, screen sizes are likely to stabilise at 55-inches and upwards. That's because as the screen size shrinks the advantage of having such a pixel dense display starts to diminish.
Consequently, a large 4K screen is probably best viewed at a distance of between 2-3m.
In practice, you will often see UHD used interchangeably with 4K, whether describing TVs, source devices, accessories or content.
4K TV, also known as ultra HD or UHD display about four times the detail of HD.
Technically, "Ultra High Definition" is actually a derivation of the 4K digital cinema standard. However while your local multiplex shows images in native 4096 x 2160 4K resolution, the new Ultra HD consumer format has a slightly lower resolution of 3840 X 2160.
In the short term, screen sizes are likely to stabilise at 55-inches and upwards. That's because as the screen size shrinks the advantage of having such a pixel dense display starts to diminish.
Consequently, a large 4K screen is probably best viewed at a distance of between 2-3m.
ref.
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Mobile browsers like Google Chrome and Opera offer a built in data compression feature, allowing you to browse with less data.
>> Enable the Data Compression feature in Chrome or Off-Road mode feature in Opera — this was formerly known as the Opera Turbo feature — and things will happen differently. When your browser loads a website, it will first send a request to Google or Opera’s servers. Their servers then download the page you wanted to view as well as all its images and other assets. They compress the web page on their servers, making it take up less space, and then send it to your phone. In other words, these services function as compressing proxies.
>> There are also potential privacy concerns here, as Google or Opera will be able to see the web pages you’re accessing. Realistically, that’s not not unusual — your cellular carrier, Internet service provider, and various state security agencies around the world are all able to see what web pages you’re visiting, anyway.
>> Both Chrome and Opera also do not use the compressing proxy for encrypted HTTPS pages. If you access a secure website, like your bank, you’ll connect directly to the secure site. This means you don’t get the benefits of less data usage, but your sensitive data isn’t routed through the proxies, so you can stay secure.
Enabling Data Compression in Chrome or Opera
>>To enable Data Compression in the Chrome app for Android, iPhone, or iPad!
--> Tap Chrome’s menu button and select Settings.
--> Tap Bandwidth management under Advanced
--> Tap Reduce data usage, and set the slider to On.
>> To enable Off-Road mode in the Opera browser for Android or iOS
--> Tap the O menu button and set the Off-Road mode slider to On.
(You can also open Opera’s Settings screen and lower the quality setting for Off-Road images — this will allow you to save bandwidth on images, but they won’t look as nice.)
>> Enable the Data Compression feature in Chrome or Off-Road mode feature in Opera — this was formerly known as the Opera Turbo feature — and things will happen differently. When your browser loads a website, it will first send a request to Google or Opera’s servers. Their servers then download the page you wanted to view as well as all its images and other assets. They compress the web page on their servers, making it take up less space, and then send it to your phone. In other words, these services function as compressing proxies.
>> There are also potential privacy concerns here, as Google or Opera will be able to see the web pages you’re accessing. Realistically, that’s not not unusual — your cellular carrier, Internet service provider, and various state security agencies around the world are all able to see what web pages you’re visiting, anyway.
>> Both Chrome and Opera also do not use the compressing proxy for encrypted HTTPS pages. If you access a secure website, like your bank, you’ll connect directly to the secure site. This means you don’t get the benefits of less data usage, but your sensitive data isn’t routed through the proxies, so you can stay secure.
Enabling Data Compression in Chrome or Opera
>>To enable Data Compression in the Chrome app for Android, iPhone, or iPad!
--> Tap Chrome’s menu button and select Settings.
--> Tap Bandwidth management under Advanced
--> Tap Reduce data usage, and set the slider to On.
>> To enable Off-Road mode in the Opera browser for Android or iOS
--> Tap the O menu button and set the Off-Road mode slider to On.
(You can also open Opera’s Settings screen and lower the quality setting for Off-Road images — this will allow you to save bandwidth on images, but they won’t look as nice.)
ref.
Just easy enough to run below cmdlet,
Get-WmiObject -Class Win32_Product | Select-Object -Property Name
Get-WmiObject -Class Win32_Product | Select-Object -Property Name
USB stands for Universal Serial Bus, and it’s a standard developed in 1994 by several companies to have a standard for cables and connections between devices that can deliver both data and power
Top speed Max power output Power direction Cable configuration
USB 1.1 12Mbps 2.5V, 500mA Host to peripheral Type-A to Type-B
USB 2.0 480Mbps 2.5V, 1.8A Host to peripheral Type-A to Type-B
USB 3.0 5Gbps 5V, 1.8A Host to peripheral Type-A to Type-B
USB 3.1 10Gbps 20V, 5A Bi-directional Type-C both ends, reversible plug orientation 2015
>> The current specification for Type-C plug is slightly wider and thicker than the current 2.0 Type-B micro plugs — the average micro-USB used in smartphones. While this could be a problem for smartphones that keep getting thinner and thinner, it is refreshing to see one plug type that can go into any device without worrying about its type or size.
>> Because Type-C is being built on the newest generation of USB 3.1, you can expect to see data transfer speeds of up to 10Gbps. That’s twice USB 3.0’s 5Gbps, and much more than the more common USB 2.0’s 480Mbps. It’s even got enough speed to power the video and audio of a 4K Ultra HD display.
>> In terms of charging, we could see one cable to charge everything. Currently, only low-energy devices can be powered by micro-USB like smartphones, some tablets, and even one Chromebook. Other things, like laptops and monitors, need to be powered by proprietary chargers because of their higher power consumption, which is quite inconvenient.
>> Most smartphone chargers handle 5 volts at 2 amps, while computers need 20 volts at 5 amps. USB 3.1, and the new Type-C connectors by extension, supports power scalability up to 100 watts, allowing for one cable that can charge at the lower-end smartphone level or higher-end desktop level. Imagine having the same charger for your computer, tablet, camera, and smartphone.
>> The designers of the Type-C design have also made it so that a user will hear a small click noise when inserting the plug into a port. This is a feature many of us probably don’t think that we need in a USB port, but it actually does a lot for reassuring the user that the cable has been plugged in properly.
>> And best of all, Type-C plugs are reversible. No more flipping around your USB plug trying to get it to fit properly. Whichever way you plug it in, it will work.
Top speed Max power output Power direction Cable configuration
USB 1.1 12Mbps 2.5V, 500mA Host to peripheral Type-A to Type-B
USB 2.0 480Mbps 2.5V, 1.8A Host to peripheral Type-A to Type-B
USB 3.0 5Gbps 5V, 1.8A Host to peripheral Type-A to Type-B
USB 3.1 10Gbps 20V, 5A Bi-directional Type-C both ends, reversible plug orientation 2015
>> The current specification for Type-C plug is slightly wider and thicker than the current 2.0 Type-B micro plugs — the average micro-USB used in smartphones. While this could be a problem for smartphones that keep getting thinner and thinner, it is refreshing to see one plug type that can go into any device without worrying about its type or size.
>> Because Type-C is being built on the newest generation of USB 3.1, you can expect to see data transfer speeds of up to 10Gbps. That’s twice USB 3.0’s 5Gbps, and much more than the more common USB 2.0’s 480Mbps. It’s even got enough speed to power the video and audio of a 4K Ultra HD display.
>> In terms of charging, we could see one cable to charge everything. Currently, only low-energy devices can be powered by micro-USB like smartphones, some tablets, and even one Chromebook. Other things, like laptops and monitors, need to be powered by proprietary chargers because of their higher power consumption, which is quite inconvenient.
>> Most smartphone chargers handle 5 volts at 2 amps, while computers need 20 volts at 5 amps. USB 3.1, and the new Type-C connectors by extension, supports power scalability up to 100 watts, allowing for one cable that can charge at the lower-end smartphone level or higher-end desktop level. Imagine having the same charger for your computer, tablet, camera, and smartphone.
>> The designers of the Type-C design have also made it so that a user will hear a small click noise when inserting the plug into a port. This is a feature many of us probably don’t think that we need in a USB port, but it actually does a lot for reassuring the user that the cable has been plugged in properly.
>> And best of all, Type-C plugs are reversible. No more flipping around your USB plug trying to get it to fit properly. Whichever way you plug it in, it will work.
ref.
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