Access control is the execution of limitations and restrictions on whoever tries to occupy a certain protected property, thereby keeping people as safe as possible. As modern society moves further into the cyber age, these access control systems become almost completely computer controlled. This article will further explain what access control is, how it works, …
Domains and Forests can also share resources available in active directory. These resources are searched by Global Catalog across domains and forests and this search is transparent to user. For example, if you make a search for all of the printers in a forest, this search goes to global catalog server for its query and …
What are Service Packs and Hotfixes Service packs and hotfixes are network updates that need to be applied to network computers. Hotfixes are also sometimes referred to as security hotfixes or security fixes. Before delving into the differences between service packs, and hotfixes; you can think of a service pack as being a collection of …
When the Earth begins to get too hot, the water increases in temperature. As the water continues to get hotter, it begins to undergo a phase change in which water turns to gas. The water droplets turn into water vapor because the temperature has caused the individual water molecules to speed up considerably. This process …
A microchip, commonly called the integrated circuit, is a tiny electronic circuit. It is made up primarily of semiconductor devices. For the most part, these small microchips are used in nearly every type of electronic device known to man. As the years have gone on from their creation in the late 50s and early 60s, …
A PDA (Personal Digital Assistant) is a computer that fits in one’s hand. These small computers are sometimes called palmtops and are a great way to store telephone numbers and email addresses, access the Internet, make calculations, keep a digital calendar, and play games. Today’s PDA is very small, fits comfortably in a pocket, and …
A computer process is a computer program that is executing and has a unique process identification or PID. On the Unix Operating System (OS), a process may be running in the background, foreground, or be in a suspended state. On Unix, the OS shell will not return the prompt to the end-user until the current …
Over the past decade, VoIP (Voice over Internet Protocol) technologies have seen widespread adoption across the world. Providing communications services such as voice calls, SMS/MMS text messages, fax, and voice messaging, the services use the Internet to transport all communications data vice the PSTN (publicly switched telephone network). As VoIP has become more popular, a …
For those computer users that have both Unix and Window’s operating systems, you should know that you can easily copy your Unix files from a Unix computer and transfer them to a Windows computer. Using Client for NFS, you can transfer any existing Unix files from your Unix server to a Windows based server. It …