Most Internet users need to block websites at some point. Reasons for doing so include keeping known malicious or spam-ridden sites from being loaded onto the computer and preventing children from accessing adult or other content. Users may block a website via existing tools or browser options on the computer, third party applications, or browser ad-ons. How to Block Websites on Safari If the computer has Mac OS X, the user can block websites on the Safari web browser via the operating system’s built-in parental controls applications. This program can Read More

Automatic Private IP Addressing (APIPA) Overview DHCP is a service that functions at the application layer of the TCP/IP protocol stack. One of the primary tasks of the DHCP service is to automatically assign IP addresses to DHCP clients. A server running the DHCP service is called a DHCP server. The DHCP service automates the configuration of TCP/IP clients because IP addressing occurs through the system. The DHCP server assigns IP addresses from a predetermined IP address range(s), called a scope. To summarize, the DHCP server dynamically assigns IP addresses Read More

The personal computer has brought many different luxuries and advancements to modern society ranging from personal finances to unlimited information. Unfortunately, computers are not foolproof and require maintenance from time to time. Fortunately, one of the easiest and most efficient means of maintaining computers and correcting problems is reformatting. Reformatting a computer can remove malware and viruses as well as fixing issues with the registry. All of these things can lead to better performance and return a computer to how it was when it was new. This article will explain Read More

Anamorphic widescreen is a technique that can be applied to both film recording and DVD authoring to get the best picture resolution possible. In filming, this method captures the motion picture image in a format where the entire film area is used. The image is sent through a specialized anamorphic lens during recording. This stretches the image to completely fill the film while recording. This is done with film cameras, most notably on those designed to be used with the standard 35mm film. This places all of the information from Read More

A magnetic separator is a device that uses a magnet to remove impurities and other magnetic materials from metal. Magnetic separators can be used before, during, and after production of a material and can be adjusted to attract different types of magnetic materials at varying levels of intensity. Magnetic separators are used for a wide variety of applications, though their use is almost always industrial in nature. Magnetic separators can be either ferromagnetic or paramagnetic and can range in size from a tabletop version to a large, heavy drum that Read More

Determining Security Business Requirements When analyzing and determining the security business requirements of the organization, you have to include the following factors: Business model: The business model that the organization uses greatly influences the type of security an organization implements. An organization that has world-wide branches would have different security requirements to a business that has a single office. Business processes: To successfully implement security, you have to know how business processes within the organization work. You have to ensure that security does not prevent business processes from being carried Read More

If you have just purchased Microsoft Office 2003, you will be required to activate this product directly with Microsoft. Microsoft product activation is set up as an anti piracy feature. This feature is created in order to verify that your Microsoft 2003 Office suite is not a fake copy and is legitimately licensed to you as the end user. The process of activating your Microsoft Office 2003 is generally quick, easy and anonymous. Below is a step by step process on how the activation process works. Licensing Agreement The activation Read More

Spam is unsolicited e-mail which is sent in massive quantities to unsuspecting Internet email users. Most spam tries to sell products and services such as mortage refinancing, memberships to pornograpic web sites, and drugs such as Viagra. A more dangerous category of spam tries to convince the recipient to share their bank account numbers, credit card numbers, or logins and passwords to their online banking systems or services such as eBay and PayPal. Spam is sometimes referred to as Unsolicited Commercial E-Mail (UCE). Not all spam is commercial. Some spam Read More

In the past, two main termination specifications were used. One was for UTP data cable infrastructure and the other for phone cable infrastructure. Today, structured cable systems are in use. 568A is one such standard. 568A is a standard for the pin arrangements of RJ-45 connectors on Unshielded Twisted Pair (UTP) wire. The cryptic number 568 refers to the order in which the individual wires inside a CAT 5 cable are terminated. The 568 standards were actually developed by the TIA (Telecommunications Industry Association) and the EIA (Electronics Industry Association) Read More

The Information Technology Infrastructure Library (ITIL) is a series of books that contain proper procedures to handle situations that any IT organization would come in contact with. Using a series of check lists, tasks and procedures, an IT organization can take what is available to it and implement it in such a way that ensures the company’s success. ITIL is broken up into a series of processes. Service Desk/Service Request Management The service desk’s responsibility is to handle incidents and requests. It also needs to connect other parts of the Read More