An Uninterruptible Power Supply (UPS) is a device connected between the power source and a computer to ensure that electrical flow is not interrupted. UPS devices use batteries to keep the computer running for a period of time after a power failure. It is not to be confused with standby generators which do not provide protection from a momentary power interruption, or which may result in a momentary power interruption when it is switched into service, whether manually or automatically. UPS devices usually provide protection against power surges, brownouts and Read More

It used to be believed that light was simple energy and that there were no particles in it. However, with the study of the quantum, scientists were able to deduce that light was actually make up of small particles known as photons.Quantum optics is the study of light and its interactions with matter. More specifically, quantum optics is a field of study where scientists observe the nature and effects of light on photons that are being quantified. Understanding Quantum Optics Quantum optics is confusing to individuals for the simple fact Read More

A Kindle is a portable electronic device that Amazon provides, which is used to store, organize, and access e-books when the reader is away from a computer. Kindles allow readers to store thousands of books at a time, modify font styles and sizes, and access the Internet. Kindles also provide additional features that allow the reader to organize his/her e-books and search for specific content without having to scroll through each file. What are Kindle Updates? Kindle Updates allow readers to update any Kindle, despite its age, to the most Read More

The easiest way to find DNS servers is by using the ‘nslookup’ tool. Start nslookup Set the search type to NS. This tells nslookup to search for nameservers Finally, enter the domain name for the nameservers being searched for Here are some search examples for the most popular searches: Finding the Lincsat DNS Servers $ nslookup > set type=ns > lincsat.com Server: 66.37.143.12 Address: 66.37.143.12#53 Non-authoritative answer: lincsat.com nameserver = ns2.anywarenetworks.com. lincsat.com nameserver = ns1.anywarenetworks.com. Authoritative answers can be found from: Finding the MCI DNS Servers $ nslookup > set Read More

An Overview on Services Windows 2000 and Windows Server 2003 provide features technologies and services that can be added to new and existing networks to meet the organizations business requirements. To use certain services, you have to first implement specific technology or services on which these services depend. For instance, in order to use the Windows 2000 or Windows Server 2003 Active Directory directory service, you first have to install Transmission Control Protocol/Internet Protocol (TCP/IP), and the Domain Name System (DNS) service. While both Windows 2000 and Windows Server 2003 Read More

Oracle is a free, open business management software available for both personal and commercial use. Oracle allows users to process credit card payments, handle customer support, and manage customer orders from one location and includes many additional features from third party companies, such as Paypal and Amazon, that allow users to sell products in a wide variety of marketplaces.   What is the ORA-12560 TNS Protocol Adapter Error? ORA-12560 TNS Protocol Adapter Error is an error that Oracle displays to the user whenever it cannot access a specific server or Read More

Mozilla Firefox, which the Mozilla Foundation runs and Netscape owns, is a web browser that allows users to browse the web, check email, and take advantage of thousands of individual add-ons and plug-ins. Since Mozilla Firefox was designed to be easy to use and helpful to the user, its options are readily accessible through the built-in Firefox button and full support for the browser can be found at Firefox Support.   How to Block Websites in Firefox Although Mozilla Firefox does not directly allow users to block websites, it does Read More

Burning a CD or DVD is rather easy to do but may be complicated for inexperienced users. The first thing the user needs to do is purchase RW disks that can hold as much information is as needed. The user should make sure that the disks are CD-RW and not CD-R, as RW disks can be rewritten many times while R disks can only be written to once and if the user does not perform a proper burn, the disk becomes worthless. The next step is to download and install Read More

127.0.0.1 is the loopback Internet protocol (IP) address also referred to as the “localhost.” The address is used to establish an IP connection to the same machine or computer being used by the end-user. The same convention is defined for computer’s that support IPv6 addressing using the connotation of ::1. Establishing a connection using the address 127.0.0.1 is the most common practice; however, using any IP address in the range of 127.*.*.* will function in the same or similar manner. The loopback construct gives a computer or device capable of Read More

GIMP (GNU Image Manipulation Program) is an image editing software that serves as a free alternative to Adobe Photoshop. While Photoshop is a household name, GIMP is equally popular in the digital art industry. This is because GIMP offers a wide variety of features that resemble Photoshop features in almost every way. GIMP is an ongoing project that is capable of performing all of the same tasks that Photoshop can and includes several features that Photoshop does not have. Educational facilities, artists, businesses, web designers, and home users who do Read More