A smart card contains an integrated circuit (IC) chip containing a central processing unit (CPU), random access memory (RAM) and non-volatile data storage. Data stored in the smart card’s microchip can be accessed only through the chip operating system (COS). Smart cards provide a secure, portable platform for “any time, anywhere” computing that can contain …
Active Desktop was a feature included in Windows Operating Systems from Windows 95 to Windows Vista. It allowed users to insert HTML data directly into his/her desktop so that applications could be viewed and accessed without visiting a webpage. While Microsoft did not continue this feature in Windows 7, a technology called “desktop widgets” that …
Password hacking programs work by using a number of approaches to either decrypt or guess a working password. Three of the most common approaches that password hacking programs use are: Known Ciphertext Attacks Dictionary Attacks Brute Force Attacks The specific algorithm that the password hacking program implements depends on the password system’s design. Each password …
The MTU (Maximum Transmission Unit) is the size of the largest datagram that can be sent over a network. If a datagram is larger than an MTU, the datagram must be fragmented into multiple smaller datagrams. Default MTU Sizes Most network technologies have default MTU sizes which may be changed by the network administrator. Network …
An intranet is an internal or restricted access network, it is very similar to the functions of the normal Internet (which is sometimes is referred to as the extranet). Organizations that would like to share applications, documents and data only among themselves can create an intranet usually with ease. While intranets are usually accessed by …
The mouse is an extremely popular device. While the majority of mice are connected directly to the computers peripheral input via a cord and the computer’s main power powers it, wireless mice are becoming extremely popular as they give computer users cordless accessibility to their mice and their computer. Wireless Mouse Technology Wireless mice usually …
A VOB (DVD Video Object) file is a file container format that DVDs use. A VOB file contains the actual movie from a DVD and its audio and streaming data that allows a user to scroll through the video. VOB files are essential to DVDs and can be taken from a disk in order to …
Acetylene is a hydrocarbon compound and is the simplest form of alkyne. Acetylene is colorless and extremely unstable in its pure form, which is why it is almost always mixed with other chemicals and handled as a solution. Acetylene was once the preferred gas in welding/cutting applications due to its ability to reach extremely high …
Flocculation is when microscopic particles bind together to form larger particles in liquids. It occurs naturally or artificially in water as well as other solutions. Flocculation is used in applications such as water purification, sewage treatment, cheese production, and brewing. It is also used in surface and physical chemistry, biology, and civil engineering. The term …
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 …