The Kindle, which Amazon produced, is an e-reader/tablet PC that allows users to access the Internet, check their email, and use a variety of applications. The Kindle is also designed to allow users to read e-books in full screen, toggle mode, and even split screen. The Kindle is dependent on touch screen technology and allows …
An ATM skimmer is a card reader that is installed on some ATMs by criminals in order to steal the card numbers and PINs of the victims who use them. ATM skimmers vary in sophistication, but may be installed either directly within an ATM or next to it and may either interfere with the ATM’s …
Understanding Security Policy Types With Windows Server 2003, you can implement and manage security settings at the following levels: Local computer (local security policies) Active Directory site, domain, or organizational unit (domain security policies) Local security policies are managed through Local Computer Group Policy Objects (GPOs), and domain security policies are managed through Group Policy …
A computer networking tool is any type of software that assists in the creation, maintenance, or distribution of a wireless network. Also, computer networking tools aid in a website’s creation, maintenance, advertising, security, and modification. They are responsible for the maintenance of local area networks, especially in situations that involve dozens or hundreds of computers …
If you have been enjoying photography for more than a few years, you probably have plenty of slides taken with analog cameras. Before digital photography, slides were a great way to view photos en masse. They were very small, making them light and portable and perfect for slide shows in homes, classrooms, and auditoriums. However, …
A tsunami is formed when there is an earthquake, volcanic eruption or, more rarely, a landslide underwater. Typically, neither the earthquake, eruption or landslide are felt because they are so deep under water. However, the actions that have taken place are the first steps that lead to a massive tsunami that can cause tremendous damage …
In a symmetric cipher, both parties must use the same key for encryption and decryption. This means that the encryption key must be shared between the two parties before any messages can be decrypted. Symmetric systems are also known as shared secret systems or private key systems. Symmetric ciphers are significantly faster than asymmetric ciphers, …
Hurricanes are caused by immense low pressured formed over the warm oceans in the summer and early fall months. With this low pressure, water vapor is evaporated off of the ocean surface. This water vapor releases the latent heat of condensation which causes all of the water to begin forming into clouds. This condensation forms …
A flying car is a personal flying machine that does not require special equipment, runways, or traffic routes. Flying cars differ from commercial aircraft such as airliners, helicopters, and jets. Flying cars are designed to hold only a few people and are no larger than a regular automobile. While flying car designs have been in …
Wireless networks are those computer networks that use electromagnetic waves instead of wires in order to carry signals over the various parts of the network. Wireless networks which run over other wireless networks often utilize the lower layer networks to provide security and encryption. Stand-alone wireless networks either provide their own security and encryption features …