Showing posts with label what. Show all posts
Showing posts with label what. Show all posts

Tuesday, July 19, 2016

RK3288C Chromebooks deliver more of what educators and students need


A broadening trend in K-12 education is the use of Chromebooks, driven by digitization of educational tools and materials. The heart of Chromebooks, Google’s Chrome OS, is a free operating system, which is maintained and updated by Google over the cloud and helps lower acquisition costs for school districts. According to Google, Chromebooks give “students, teachers, and administrators a simple solution for fast, intuitive, and easy-to-manage computing. Chromebooks provide access to the web’s education and collaboration resources.”

Moor Insights & Strategy (MI&S), a leading technology industry analyst firm, conducted primary research with educators and performed technical benchmark testing on behalf of ARM Holdings on both ARM- and x86-based Chromebooks. ARM’s heritage and experience in enabling quality mobile experiences through rich graphics and power efficient CPUs enable ARM-based Chromebooks powered by RK3288C to deliver much of what educators and students need. MI&S recommends that educators add RK3288C Chromebooks powered by RK3288C to their Chromebook consideration set.

Moor Insights & Strategy’s testing shows that the performance and battery life while playing videos on Rockchip RK3288C Chromebooks  , like the ASUS Chromebook Flip, meet the experiential needs of educators and students.

Please download the completed paper here.

Table of Contents
·Executive Summary
·Research
·Background
·Usage
·Pain Points
·Why Chromebooks for Education?
·The Chrome OS Hardware Ecosystem
·Testing Methodology
·Testing Results
·Page Load Test
·Chrome Connectivity Diagnostics
·Battery Life on Video Playback
·3D Graphics
·WebGL Samples
·Biodigital Human
·Project Metis Solar System
·Video Performance
·VoiceNote II
·Google Docs Suite
·Office Online
·System Average Power Consumption
·Charge Time
·Interpretation
·Conclusion
·Recommendation
·Glossary
·Table 1: Chromebook Specifications
·Figure 1A: Biodigital Human Rendering on ARM-Based Chromebook at Maximum 1280×800 Resolution
·Figure 1B: Biodigital Human 3D Rendering on x86-based Chromebook at Maximum 1366×768 Resolution
·Figure 2A: Project Metis Solar System 3D Rendering on ARM-based Chromebook at Maximum 1280×800 Resolution
·Figure2B: Project Metis Solar System 3D Rendering on x86-based Chromebook at Maximum 1366×768 Resolution


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What To To Do If You Forget Your Mac Password

Do you have a problem where your memory fails you as to remembering your Mac’s password? Don’t break too much sweat over it. Making use of the default settings, you for sure can be able to with ease try logging into your Mac. If you happen to fail enough times then the ability to reset your password with your Apple ID may come within your reach. You can’t say this is always the case though.
In the case where you haven’t enabled FileVault disk encryption, you could access an easy password-reset tool. If you have gone about enabling FileVault disk encryption and you wish to forsake your encrypted files, you can simply go through the reinstallation of the Mac OS X and begin the process again.
If you have forgotten your Mac Password
If you have forgotten your Mac Password
Reset Your Password Using Your Apple ID
This trick would be compatible if you’ve connected your Mac account with an Apple ID. It will go through in the condition where you haven’t set up FileVault disk encryption, or possibly if you had set up FileVault disk encryption and had Mac OS X keeping your recovery key in your iCloud account. This happens to be the default option. But then note that it will certainly not work if you have enabled FileVault and didn’t store your recovery key with your iCloud account,
In the case where you have lost memory of your password, simply try entering the wrong password three times at the sign-in screen. Following the entrance of the three wrong answers, you will get to see a “If you forgot your password, you can reset it using your Apple ID” message. Move on to click the button and enter your Apple ID details so as to go about resetting your password.
The Recovery Key is a Safety Key
The Recovery Key is a Safety Key
Enter Your FileVault Recovery Key
If you’ve enabled FileVault disk encryption and may be it happened that you failed to store your recovery key in your iCloud account, the FileVault setup tool provided you with a recovery key and then informed you to print it out or write it down maybe store it somewhere where you could fetch it if needed. This — in exclusion of the password — is then the only thing that could decrypt the files stored on your Mac and then hand you access in to them.
Taking the assumption that you are in possession of this recovery key, you could type the recovery key into the password field on the login screen. This process would prompt the decryption of your Mac’s storage and then consequently sign in you in. From when you gotten signed in, you could go about changing the password from the basic Users & Groups tool in the System Settings window.
If you have forgotten your Mac Password
If you have forgotten your Mac Password
Reset the Password From OS X Recovery (If You’re Not Using FileVault Encryption)
Also in the condition where you haven’t enabled FileVault encryption, you have a comfortable means to reset any user account’s password. What you simply need is to restart your Mac and hold Command + R while it’s booting. This very procedure will enable the booting of your Mac into a special recovery mode, also referred to as OS X Recovery.
From OS X Recovery, you get within the access of a concealed password reset tool and make use of it to change any user account’s password on the Mac. This is one big justification why you should enable FileVault encryption on your Mac — it sets a bar abhorring people from entering the password and gaining access.
In the rare circumstance that you’ve enabled a UEFI firmware password on your Mac, you would be unable to gain access to OS X Recovery except when you remember that password. You will not be able to remove that UEFI firmware password unless visiting an Apple Store — at least this works theoretically. This contributes significantly in barring thieves from just erasing the UEFI password of a MacBook after they could have stolen it.
Put in your Apple ID
Put in your Apple ID
Sign In As Another User (If You Are Using FileVault Encryption)
If you are in possession of user accounts exceeding one on your Mac and are using FileVault encryption, attempt logging in as the other user account. In the scenario where you have given that other user account permission to decrypt your Mac with its password, you would be allowed to sign in and then gain access to a desktop. There you could create a new user account or possibly retrieve access to your old user account.
Reinstall Mac OS X (If You Are Using FileVault Encryption)
Should there be a UEFI password on your Mac, you won’t be allowed to access OS X Recovery so as to reset the password or possibly embark on the reinstallation of the Mac OS X without that password. You come to face a big lock icon appear on your screen and a box to type your password when you make an attempt to boot into recovery mode or say when you boot from an external device.
This is a entirely a different password from your user account’s password, so there is the chance that you remember this one. But if you don’t, the sole means to potentially go about the removal of that UEFI password is to take your Mac to an Apple Store.
There could be some kind of attack that gives an attacker the chance to bypass a UEFI password, but according to the supposedly theoretical setup, only Apple can go about removing an unknown UEFI password.
Should you not remember your Apple ID (iCloud) password, Apple’s website provides an Apple ID password reset tool that might be assist you in this regard.


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Monday, July 18, 2016

USB OTG What it is and how to use it

What is OTG?

OTG is short for On The Go and USB OTG is a standard that enables devices to talk to one another. For example, instead of connecting to a PC to transfer files, USB OTG enables devices to connect directly and swap stuff; instead of sending your photos to your printer via your PC, you can connect directly do it, and so on.
Thats not all USB OTG can do, though. By enabling your device to act as a USB host – that is, to be the boss of other devices that you connect to it – you can add additional hardware, such as storage, keyboards or even musical instruments.
usb otg logo
What Can I do With OTG Cable?

OTG Cable can do some really clever things and many people have never heard of it. If you dont know your OTG from your OMG, lets discover what it is and why its so great.
Below are the 7 important things which you can do with USB OTG Cable on your Android Devices

1. Share Battery Charge Between Two Android Devices


For sharing the battery charge, all you need is a regular data/charger cable that you use to connect your smartphone to your PC and a standard USB OTG Host cable. If you do not have an OTG host cable, then you can buy them very cheap from any mobile store or from online shopping sites.

When you have everything ready, connect the USB data cable to one of the phones. Connect the USB OTG host cable to the other phone. And finally attach the two cables together. You will notice that the phone with smaller charge level has started to charge. The charging will continue until the batteries of both the phones has almost the same level of charge.

2. Super-fast Files Transfer Between Two Device


When it comes to Android files transfer, lots will choose the commonly used way, Bluetooth, NFC, USB cable and PC for example. Nonetheless, when using these methods, connection issues always occur. And transmission is quite slow. So, in todays guide, a new solution – USB OTG will be introduced.
USB OTG, empowers USB devices like Android phones to act as a host and then allows other USB device to be attached to them. You can make direct connection between two Android phones/tablets and transfer files between Android via USB OTG. By using USB OTG, Android phones plugged-in can communicate with each other without the need to be connected to a computer.

When its come to transferring heavy files like game data and HD movies, using an OTG cable is the best way to get it done with a fastest way.


3. Connection of 3G Modem with Android Devices

People who have WiFi only tablets or without 3G support might find the need to use 3G Modem with their device to get something downloaded quickly when the broadband is too slow or down. This can be done using an Android app called PPP Widget. As the name suggests, it is a widget, not an app. It is available in the Play Store and it is free. Download it to your device from here.

4. Using an External GamePad


Playing games on a touchscreen is not the same as holding a real Gamepad or a portable console like PSP. Many game developers have finally realized that in order for their games to be successful, they have to support Android. To really win Android users over, they should also accommodate us hardcore gamers who have OTG cables with the ability to hook up controllers to our devices.
Games like Dead Trigger and Asphalt already support Gamepads, but many others are still touch only. Some will only work well with touchscreen input, like Blek, but action games like FIFA 15, Modern Combat 4 and Shadow Gun can definitely benefit from an external Gamepad.If you have a tablet, you can try connecting your Gamepad with your device using your OTG cable.

5. Connect USB Flash Drive to Your Android Device


Flash drives spent a good amount of time as the number one way to take your files with you wherever you needed to go. As some of that has changed with Android devices and cloud storage, many of us still have those USB flash drives kicking around looking for a good use. USB Flash drive is not meant for your computer alone, you can use it with your Android device as long as you have your OTG cable with you. It’s plug and play with no settings needed. Think about the possibilities: watching movies from your flash drive, moving files around, reading documents stored on USB Flash etc.

6. Connection of a Mouse to Your Android Device


When a USB mouse is connected to your Android Device using a USB OTG cable, a mouse pointer appears on the screen. Click to select and open items on the screen.
The following applies when using a USB mouse on your Android Device:
  • The touch screen continues to function when a mouse is connected.
  • Right-clicking performs the same action as left-clicking.
  • To scroll up, down, left or right in a menu, use the mouse scroll wheel, or click and drag the screen in the direction you want to scroll.
  • To change the mouse pointer speed, go to the Settings menu, touch Language & input, and then touch Pointer speed. Move the slider left or right to achieve your desired pointer speed.

7. Connection of a USB Keyboard to Your Android Device

When a USB keyboard is connected to your Android Device using a USB OTG cable, touch inside a text input area to begin using the keyboard.
The following applies when using a USB keyboard on your Android Device:
  • The on-screen keyboard is hidden when a physical keyboard is connected.
  • Some of the key combinations that perform actions on Windows computers also work on a tablet, in most apps. For example, you can Cut (Ctrl + X), Copy (Ctrl + C), and Paste (Ctrl + V) using your keyboard.
  • To find settings options for the physical keyboard, go to the Settings menu, touch Language & input, and look in the Physical keyboard section.
USB OTG (On-The-Go) supported devices are Sony, Xperia Z, ZL, Z Ultra, Z1 - Samsung Galaxy S2, S3, S4, Note 1,  Note 2, Note 3 - Tecno F7/H7/R7/Phantom A+/Tablets - Motorola: Moto G Phone | Xoom Tablet - LG Optimus G, G2, G3 G Pad 8.3 7.0 8.0 10.1 – HTC X, One, One mini, One max, M7, M8 - Nokia Lumia 2520 Tablet | Nokia 603 | Asha 300 | C6-01 | C7 E6 E7 | N8 - Google Nexus 5 / 6 / 7 / 9 / 10, all Q Mobiles and many more.

To Buy an OTG Cable

 OTG (On-The-Go) cable is available in the Mobile market. To use this cable with the phone, firstly you need to check whether there is support in the OTG or not. You can check this capability with ” USB OTG Checker” from Google Play Store.

It can be as cheap as $3 and if you’re in Nigeria, you can get it for as low as N600 on Jumia and Konga.
Buy from Jumia
USB OTG Cable


USB OTG Cable


Are you using an OTG cable before? What else have you done with OTG not listed above?


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Nokia RM RX RH Number What Does it Mean


 Image result for nokia rm label

On all Nokia phones, specific unique codes are attached to each phone following certain acronyms like RM, RH, RX amongst others.

In the quest to finding the actual (full) meaning of these abbreviations thus, RM, RX, RH and others; many researches have been conducted and all to no avail. What is however common and certain is that, these codes serve one common purpose and significance; maintenance files for each Nokia phones are attached and tagged to the specific code assigned to it.
For Example;
Nokia X2-00 is assigned RM-709,
Nokia 100 is assigned RH-130 and
Nokia N900 is assigned RX-51

Now, if you ever need to upgrade, downgrade or flash either of the Nokia phones above, the required files to carry out the operations are to be found under the specific code above.

Supposing you wish to flash a Nokia N900 using your computer, the files needed to carry out the whole operation are to be found under RX-51 archives.

Now, supposing that you want to search for the phones flash files on Google, you will simply search for "RM files for Nokia X2 or, Nokia X2 RM files."

Identifying Nokia Phones Unique/Assigned Codes: RM, RX or RH


Since the maintenance files for each Nokia phone are contained in the assigned codename archives, it is important to know the codename for each Nokia phone and here, I narrate three (3) different methods you can use to identify or know the codename for every Nokia phone.

1- In the About Phone Section: in all Nokia phones, there is always a section of the phone where you can view the details about the phone. You can simply dial *#0000# from the phone home screen and display the details about the phone.
Either RM, RX, or RH is usually on the first line and is written like either; RM- 709, RH-130 or RX-51

2- On the Phone Battery Seat: the RM, RX or RH of most Nokia phones can also be viewable from the battery seat. When you remove the battery of any Nokia phone, under it, the RM, RX or RH of that phone should be viewable to you.
Note that if the phones complete case has once been changed, the RM, RX or RH number written there may not be complete for that phone.

3- Google is your Best Friend: In the case that the phone does not boot on and you have a feeling that the phone case has once been changed then, Google is your best friend!
Just make sure that you know the phones model number and put a search on Google. You may search for Nokia X2 RM number or Nokia N900 RM number.
Thumbs Up to Aryk.co for this Complete Guide.
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