Color depth is a term that describes the number of bits used to represent the color of a single pixel in a bitmap image. It is also referred to as bit depth, as it is directly related to the number of bits used for each pixel.
In the previous post of “Windows Automatic Updates“, I have talked about Windows Automatic Updates and their use. In this post I will be discussing about configuring the Windows Update settings.
The steps to configure the Windows Update settings are as follows:
Windows Automatic Updates include the latest security and critical updates and service packs. These updates ensure that the computer is protected against the latest viruses and other security threats. Through Automatic Updates, Windows automatically downloads the latest updates on the computer on a pre-determined schedule.
Windows Update can be setup to automatically update your PC by automatically downloading and installing both Important updates and Recommended updates in Windows Vista. Windows Update is a free service built into Windows. It is designed to help you keep your PC more secure, reliable, compatible with devices, and able to run new features that may enhance your experience. With Windows Update, you can easily get the following:
For security reasons, a firewall is essential for a computer. It prevents any malicious program from running. It is a set of related programs configured to protect private networks connected to the Internet from intrusion. It regulates the network traffic between different computer networks. It permits or denies the transmission of a network packet to its destination based on a set of rules.
Sometimes there is a need to allow certain programs to pass through the firewall. In this post, the procedure to configure firewall to allow certain programs is discussed.
The steps for configuring firewall access for specific programs are as follows:
Malware is a combination of the terms malicious and software. It refers to a variety of hostile programs, such as a virus or a Trojan horse, designed to damage or disrupt a computer. It gathers information about a computer without the user’s permission or knowledge.
Adware is software that automatically downloads and display advertisements in the Web browser without user permission. When a user visits a site or downloads software, sometimes a hidden adware software is also downloaded to display advertisement automatically. This can be quite irritating to user. Some adware can also be spyware.
Windows Defender is a software product from Microsoft to prevent, remove and quarantine spyware in Microsoft Windows. It was formerly known as Microsoft AntiSpyware. It is included and enabled by default in Windows Vista and Windows 7, and is available as a free download for Windows XP and Windows Server 2003.
Windows Defender features system scan capabilities similar to other free products on the market, and includes a number of real-time security agents that monitor several common areas of Windows for changes which may be caused by spyware. It also includes the ability to easily remove ActiveX applications that are installed. If it detects anything suspicious, an alert will appear on the screen.
I am an MCAS: Windows Vista. I gave the exam at the Certiport center. I passed the 77-600 exam with 837 marks out of 1000. The total number of questions were 38 and the time alloted was 50 minutes. The questions were of simulative type and multiple choice type. In the simulation questions, the environment of Windows Visted was provided and I was asked to perform a particular task. In the MCAS exam, your practical knowledge is tested.
The Microsoft exam 77-600 consists of multiple choice questions and simulation questions. In the simulation type questions, you will be given an environment of Windows Vista and have to perform a given task. Before giving the exam, you must have hands-on practice to accomplish the following tasks: