Private-key (or secret-key) cryptography ShowSymmetric encryption
Symmetric encryption (also called private-key encryption or secret-key encryption) involves using the same key for encryption and decryption.
Encryption involves applying an operation (an algorithm) to the data to be...
Operating system ShowDescription of the operating system
For a computer to be able to operate a computer programme (sometimes known as application or software), the machine must be able to perform a certain number of preparatory operations to ensure exchange between...
Installing Opera 10 under Ubuntu 9.04 (Jaunty) ShowInstalling Opera 10 under Ubuntu 9.04 (Jaunty)
If you already have an older version of Opera, first remove it: sudo apt-get remove opera
(This operation will not results in the lost of your configuration or your bookmarks.)
Then do:...
Installing Opera on Ubuntu ShowInstalling Opera on Ubuntu
Under Ubuntu 7.10 – Gutsy Gibbon
Installing Opera on previous ubuntu versions
You prefer using Opera as your Web browser on Ubuntu. Opera is fast and supports a lot of features.
Please follow these steps...
Configuring Opera Mini on Nokia phones ShowConfiguring Opera Mini on Nokia phones
Issue
Solution
Issue
You have installed Opera Mini on your Nokia handset and activate your GPRS settings, you cannot connect to browse on Opera Mini! Opera Mini should configured, access points...
Download Opera for Windows ShowPossibilty to download a version compatible with Linux, MacOS, Solaris, FreeBSD ...
The Opera Web browser is faster and more secure than IE. It block pop-ups and content you don't want to see.
It also offers several new features for...
Download Opera Mini ShowOpera Mini is a web browser for your mobile phone. Simple and easy to use, the application enables you to browse internet quickly. Opera Mini is especially for touch pad phone. The application includes skin customization.
Features
You can watch...
Download Disk Recovery Wizard ShowDisk Recovery Wizard is a tool to backup data. It allows to restore the damaged, corrupt and inaccessible data on a hard disk and even the formatting. A wizard guides you step by step to facilitate the operations.
Disk Recovery Wizard supports any...
User management in Windows NT ShowThe notion of a user
Windows NT is an operating system which manages sessions, meaning that when the system is started, it is necessary to log in with a user name and password. When Windows NT is installed, the administrator account is created by...
Operating Systems - MS-DOS - Tips ShowSetting the CD-ROM drive
The CD-ROM drive is configured in the config.sys and autoexec.bat system
files. The CD-ROM drive device driver must be configured in the config.sys file (even if the device is
automatically detected in Windows). To do...
WiFi modes of operation (802.11 or Wi-Fi) ShowThere are several kinds of hardware that may be used to implement a WiFi wireless network:
Wireless adapters or network interface controllers (NICs for short) are network cards with the 802.11 standard which let a machine connect to a wireless...