If your operating system crashes often in the form of incomprehensible errors, the system is overloaded or is too slow, then it's time to check the system files. Due to improper shutdown computer, power surges, improper removal of programs or the impact of viruses system files can be corrupted.

Protection against viruses and Trojans is relevant to all users of the Windows operating system. Even a very good antivirus program with daily updated antivirus databases can not guarantee to protect against theft of confidential information. But you can greatly reduce the risk by following fairly simple rules.

Rounding is a mathematical operation that reduces the number of significant digits in a number. It's easy to do in Excel, and in different ways, depending on the desired result.

On most modern computers have operating systems with GUI that allows you to control your computer through a convenient and intuitive interface. However, even in the newest versions of such systems is provided and the control method using text commands – command prompt.

The control panel in Windows operating systems, is a strip (horizontal or vertical), located along one of the boundaries of the monitor screen. The task pane provides quick access to certain functions of the computer at any point in time and gives the user a notice about any changes to the system (connection external media, installing equipment, etc.) or informational messages to certain programs.

The new version of Windows 10 was released on July 29. Microsoft offers users many different apps updated and exciting features. Let us consider the main innovations of the updated product of Microsoft Corporation.

At the moment the most popular operating system is Windows 7. Thanks to the friendly and convenient interface, ease in installation, this system is still several years will be to hold the lead, despite attempts by other developers.