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Techno. & Science


  • How to save your mobile data more than 95% in Ethiopia!

    How to save your mobile data more than 95%? This is a “Proved Solution”. This is also a scientific and legal way of saving your money. I do researches on how to save the mobile data while using mobile Internet. I read on some websites that they said it is possible to pay only small amount of money for a fixed amount of time, which is wrong. The amount of money you have to pay does not relate with a fixed time rather it depends on the amount of data that you used. To explain this with an example, let us say you used 5MB of data with in 3 minutes. On the other hand, your friend used the same 5MB of data with in 30 minutes. According to the new ethio telecom tariff, both you and your friend have to pay the same money, i.e 5*0.35=1.75 Birr. Because the new ethio telecom tariff for mobile internet is 0.35 cents per 1MB data for 2G, 3G and 4G data connections.

     

    So, the only way to save your money is to save your data. Now the question is how to save your mobile data? The solution for this is very straight forward and it is use of a web browser that is specifically designed for the purpose of data saving. Currently, I found only one browser that has a data saving mode, which is Opera Mini. Let us compare the amount of data that I saved using this browser for three days. My data usage is 4.9MB out of 90MB if not used this browser. This means 4.9*0.35=1.715 Birr that I have to pay. If I am not using this browser, I have to pay 90*0.35=31.5 Birr. Finally, I can save 31.5-1.715=29.875 Birr, which is 95%. Please see the image below for verification.
    saving1
    Data saving Mode: 4.9*0.35= 1.715 Birr
    Without Data Saving: 90*0.35= 31.5 Birr
    How much I saved: 31.5-1.715= 29.875 Birr (95%).
    You can also read How to Restrict Background Data to Save Money on your Mobile/ to save more money.

    How to install and configure Opera Mini:
    1. Download ind install from google play here or you can open Google Play and search for Opera mini
    2. After installing on your device open “Opera Mini” from the application menu.
    3. Click on the red “O” at the bottom right side as shown below.
    step3
    4. Click on “Settings“.
    step4
    5. Click on “Data Savings” and then tap on “Extreme“.
    step5step52
    That is all about. You can check the amount of data that you saved any time using the above steps. If you have any unclear things, please leave your comment below and I will explain about that issue in a short time.
    You can also read How to Restrict Background Data to Save Money on your Mobile/ to save more money.

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  • How to Password Protect Files, Photos, Videos and Other Docs Using Encryption How to Password Protect Files, Photos, Videos and Other Docs Using Encryption

     

    Easy File Encryptor

    Easy File Encryptor uses the AES-256 algorithm and gets incorporated into the Windows Explorer context menu after installation. Right-click any file once the setup is over and click Encrypt (escorted by a yellow locker icon). In the first empty box, enter a Password and retype it for Confirmation in the second one, click Ok, and then click Ok again in the popup window that allows you to know the task was successful (Encrypted!). The original file is encrypted.

    If somebody attempts to open the file without decrypting it first, they will get an error message that makes the item look damaged. Right-click the file in Explorer to decrypt it. Then select Decrypt and enter the Password in the popup window, click Ok, and then Ok in the Decrypted! popup window.

    You can simultaneously encrypt and decrypt multiple files. Follow the same steps we formerly mentioned after choosing two or more files (while clicking them hold down Ctrl) or right-clicking a folder. Please note that only the files from that folder will be encrypted and decrypted, not the folder itself (this tool doesn’t support directory encryption).

    Fort

    Fort uses the AES-256 algorithm similar to Easy File Encryptor, and gets incorporated into the context menu of Windows Explorer. It can encrypt one or more files from a multiple selection or folder (not directory encryption). Right-click one or more files (to make a multiple selection hold down Ctrl), open the Fort menu (escorted by an icon with grey keys) and select Encrypt.

    You can Enter passphrase used for encryption in the popup window, while keeping a watch on the Passphrase strength shown at the bottom. This lets you know how difficult it is for crackers to find out the key. To maximize security, click the + button next to the password box to create a random and safe password instantly, then the bird’s eye icon to view it unmasked.

    However, you need to remember it to be able to decrypt the file. If you dread that your PC was taken over by keyloggers, click the keyboard button to call the Windows On-Screen Keyboard to type the password. Once you are done, click Encrypt.

    By default, Fort creates a new encrypted file (with a locker icon) and leaves the original one untouched (it only modified its file name). You can also resort to file shredders, if you want to stop others from gaining access to the original data. To encrypt the original file directly in Fort, go to the Settings area after entering the passphrase and clear the Make a backup before encryption box. If you want to verify the password by retyping it, then you can also display another box below Enter passphrase. Go to the Interface tab of the Settings panel to do this and before encryption box check the Verify passphrase.

    To decrypt one or more files, right-click them in Explorer, select Fort -> Decryption, Enter passphrase in the popup window, and click Decrypt. You can either safeguard each file with the same password (right-click menu -> Fort -> Encrypt All) or place all items in a password-protected ZIP archive (ZIP and Encrypt, it can be decrypted using Fort only) when you are encrypting files from a chosen folder.

    VSFileEncrypt

    VSFileEncrypt allows you to select from numerous security algorithms: AES-128, AES-192, AES-256, Salsa20-128, Salsa20-256, CAST-128 and CAST-256. During setup if you allow this, it gets incorporated into the Windows Explorer context menu.

    Once it is installed, you can either launch its .exe file or right-click a file in Explorer and choose Send to VSFileEncrypt. The tool cannot actually process numerous files at the same time, even though this appears in the context menu even when right-clicking on more files. If you click Add file from the File menu and open a new file (or drop it in the window), it will substitute the one you are currently working on.

    Under Algorithm, click the menu and select a security algorithm (one that’s not greyed out). Select AES-256, if you are not sure. Only the premium version of the tool will have the greyed-out options.

    In the Output file area, click the file icon to set the output directory and name for creating the encrypted file (the original one is left untouched). Remember to add the original file name and .enc extension too.

    On the toolbar, click Encrypt. Enter the Password and retype it to Confirm password in the Password to encrypt window, and click Ok to prepare the encryption process. Note to remember the security algorithm used (in this case, AES-256) and key to be able to decrypt the file.

    Right-click in Explorer to decrypt a file, and choose Send to VSFileEncrypt. Then, click the File icon in the Output file area of the main window to identify where you want to reconstruct the original file (add its extension too), select the security algorithm that was applied in encryption, click Decrypt on the toolbar, enter the Password, and click Ok

    source :- www.techworm.net

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