LoJack refers to a GPS dependent tracking device that allows users to locate devices or vehicles that have been stolen. It is available in both a software version for computers and a hardware version for vehicles and communicates with GPS satellites to show a user where his/her stolen item currently is. LoJack can be activated at any time via a third party user interface and is often used to track down a thief as well as the user’s stolen property. How LoJack Works LoJack works in the same way Read More
How Does a USB Flash Drive Work?
USB flash drives provide users with an enormous level of satisfaction and accessibility due to their massive storage capacities, low cost, and small size. USB flash drives serve an important role in our society and have a precedence over other means of data transportation. Where as computers used to have floppy disk drives as well as USB ports, the majority of modern computers now only have USB ports, eliminating the use of floppy disks entirely. USB flash drives are basically small external hard drives that don’t require an external power Read More
Pay as You Go Cell Phones
Sometimes called pre paid or prepay cell phone plans, Pay as You Go Cell Phones are usually used in specific types of mobile phone calling plans. Unlike standard mobile phone calling plans that charge a set monthly fee for a specific amount of calls, pay as you go cell phone calling plans only require the consumer to purchase calling minutes when they would like to make a call. Getting Started with a Pay As You Go Cell Phone Calling Plan It is important to note that in order to join Read More
SIM Card
A SIM (Subscriber Identity Module) card is a type of interface card that is found in most modern cell phones and contains the user’s account information as well as some types of media, such as contacts, pictures, and sometimes ringtones. A SIM card contains an ICCID, or Integrated Circuit Card ID, number that identifies the SIM card to the network, an IMSI, or International Mobile Subscriber Identity, number that identifies the person who is associated with the SIM card, cryptographic information for security purposes, temporary information concerning the local network Read More
Free File Sharing Programs
eMule eMule is one of the biggest and most reliable peer-to-peer file sharing clients around the world. Thanks to it's open source policy many developers are able to contribute to the project, making the network more efficient with each release. Clients use several networks to create one reliable network. (ED2K, Source Exchange, Kad) Kad is now in an open testphase, eMule can now be enabled to use Kad eMule's Queue and Credit system helps to ensure that everyone will get the file he wants by promoting those that upload back Read More
How to Set Parental Controls on Firefox
Mozilla Firefox, which the Mozilla Foundation runs and Netscape owns, is a web browser that allows users to browse the Internet, check their email, and take advantage of thousands of add-ons and plug-ins that Firefox itself as well as other users provide. Firefox is specifically designed to be user friendly and highly functional, allowing users to easily navigate Firefox administrative options and seek help from the Official Firefox Support homepage. What are Parental Controls? Parental controls allow parents and administrative users to control how and when the computer is Read More
How to Find Stored Passwords on a Computer
There are a large number of websites and programs that prompt end users to save passwords on their personal computer(s). Popular web browsers such as Mozilla Firefox, Internet Explorer, Google Chrome, and instant messaging software like Windows Live Messenger are capable of saving user logins and passwords on the local computer. A common task that arises for the end-user is to find stored passwords on a computer in order to recover lost or forgotten access information. Depending on the application being used, operating system, and specific user permissions, the task Read More
Format String Vulnerability
To understand what a format string vulnerability is, you first need to know what a format string is. A format string is a way of telling the C compiler how it should format numbers when it prints them. Format Strings in C In the C programming language there are a number of functions which accept a format string as an argument. These functions include fprintf, printf, sprintf, snprintf, vfprintf, vprintf, vsprintf, vsnprintf, setproctitle, syslog, and others. The most common of these is printf. The usage of printf is: printf format Read More
Data Management
Data Management is a broad field of study, but essentially is the process of managing data as a resource that is valuable to an organization or business. One of the largest organizations that deal with data management, DAMA (Data Management Association), states that data management is the process of developing data architectures, practices, and procedures dealing with data and then executing these aspects on a regular basis. There are many topics within data management, some of the more popular topics include data modeling, data warehousing, data movement, database administration, and Read More
How to Bookmark in Chrome
Google Chrome is Google’s official browser. It allows users to manage their Google products and services while browsing the Internet. Google Chrome is fast, efficient, and organized and provides users with features that are not seen in most other browsers. For example, while most browsers now allow users to open multiple webpages as tabs, Google Chrome allows users to duplicate their tabs in order to go backward and forward on one tab while leaving the current page pulled up in the other. Types of Google Chrome Bookmarks In addition to Read More
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