Defragmenting a hard drive rearranges the files so that each file is stored in a contiguous collection of disk sectors. This makes reading and writing files much faster. Over time, Microsoft Windows will slowly fragment your files, storing parts of each file in seemingly random physical locations on the hard drive. As this happens, your files will take longer and longer to access. The solution is to defrag your hard drive. Before you Begin Before opening up the Disk Defragmenter, close programs that are running such as virus scanners. The Read More

A SIM (Subscriber Identity Module) card is a storage device for cell phones and some other types of mobile devices that allows the user to transfer essential information such as contact information, account information, and sometimes pictures, from one device to another. For the most part, a SIM card remains in the user’s phone for the entirety of the device’s usage and will not need to be removed. However, if the user switches to a different phone or the SIM card stops working, he/she needs to remove it and replace Read More

Microsoft Cluster Service Overview Microsoft Clustering Server (MSCS), initially launched in the Windows NT Server Enterprise Edition, enabled organizations to increase server availability for mission critical resources by grouping multiple physical servers into a cluster. Servers in the cluster are referred to as nodes, while services and applications are referred to as resources. A cluster can be defined as the grouping of two or multiple physical servers that are portrayed as, and operate as one network server. These servers provide redundancy to the enterprise network by resuming operations of a Read More

The iPhone has become one of the most purchased mobile phones over the past several years. The phone’s home screen includes a number of free, pre-installed applications. Unfortunately, there is no mechanism in place to hide any undesirable, built-in iPhone apps. A common desire for many iPhone users is to hide under-utilized iPhone apps. If the phone is not jailbroken, the option to move undesired apps to the phone’s last home page is available. This will prevent apps from being viewed when the phone is in use. Jailbroken phones can Read More

The video card is a necessary component added to the computer to allow for graphics to play at higher qualities. The better the video card, the more that can be done on a computer. Many elite gamers spend hundreds, if not thousands, to have the most up to date graphics card installed on their computer because it ensures that the quality of their gaming is pristine. Knowing what video card you currently have makes it easier to determine what type to get in the future since graphic cards need to Read More

Page Rank, or PR, is a number assigned by Google which represents to relative importance of a web page. The PR for a web page can vary between 0 and 10. PR is assigned to individual web pages, not to web sites. In other words, it is Page Rank, not Site Rank. A higher PR number will help you to score better in your SERPS, which will bring more visitors to your web page. PR is calculated using a complex secret formula which seems to be under constant change. In Read More

The biuret test is one in which a researcher can determine whether a mixture has peptide bonds in it or not. By using the biuret test, in seconds an individual knows if they are there. Once they know that the peptide bonds are, in fact, there, they can then attempt to measure the amount of peptide bonds in it by using the Beer-Lambert Law. How Does it Work? A small amount of the mixture that is believed to have peptide bonds in it is added to a test tube and Read More

Twitter is one of the fastest growing social networks on the Internet today. The website offers a microblogging and social networking service that is based on individual user messages called Tweets. The service can be used on personal computers, laptops, and mobile devices and allows users to follow friends or people they find interesting. A common problem that Twitter users face is automatically following their followers. Use a third party application or website such as SocialOomph.com to solve this problem. How to Auto Follow on Twitter Step 1 – Log Read More

Preview: Melting Icy Typography. Step one: Open a new document. For this tutorial, I am just going to use a 810×160 px (Width, Height) document with a white background. First make a new layer called Melting Ice, Layer > New > New Layer Set. Now type the name you want to turn into ice thats melting, use font Arial Black, regular, 48 pt, crisp and #0090FF for color.

The Waterfall model is one of the best known applications of the Systems Development Life Cycle model (or SDLC), commonly used in the information systems, software, and systems engineering fields. The model is a sequential design process and gets its name from the visual depiction of progress, following the methodology looking like a waterfall as it steadily progresses downward through its phases. The Waterfall model originated from highly structured physical environments that see a high cost associated with after-the-fact changes being made to the system or product being created. Previously Read More