A banana plug is mainly used to insert speaker wire coming from an amplifier or receiver directly into the speaker. The banana plug is named after its shape. It is a slender, but bulging prong that is similar to a banana. However, unlike bananas, the banana plug is not bent, but straight. Other uses for …
Digital certificates are the equivalent of a driver’s license, a marriage license, or any other form of identity. The only difference is that a digital certificate is used in conjunction with a public key encryption system. Digital certificates are electronic files that simply work as an online passport. Digital certificates are issued by a third …
The steps required to change an e-mail password are different for each email system. When changing email passwords, there are three types of email passwords to consider: Passwords in e-mail clients such as Microsoft Outlook and Eudora Passwords in e-mail servers such as Microsoft Exchange, sendmail, and Postfix Passwords in web based e-mail systems such …
A smartphone is a mobile phone with a considerably greater amount of functionality than an ordinary mobile phone or a feature phone. Smartphones can be considered a blend between a mobile phone and a full featured mobile computer, similar to the PDAs (Personal Digital Assistants) of the past, but even more capable. They typically include …
What is Fingerprint Identification? Fingerprint identification is the process of using fingerprints to identify an individual. This is very effective because each person has completely unique fingerprints that do not change with age. Fingerprint identification is used for a variety of reasons: security, criminal investigations, and even ergonomics. Fingerprint identification often consists of a fingerprint …
VGA (Video Graphics Array) is a hardware specification for display monitors and computers that allows a computer to display applications on a VGA-based monitor via a VGA cable. VGA technology is one of the oldest forms of display hardware in computing and is outfitted in virtually every computer system in the world. VGA uses analog …
Many wireless providers across the globe, including AT&T/Cingular, T-Mobile, Vodafone, and Verizon sell Blackberries. When these companies sell a BlackBerry, they do so at a discount in order to attract customers. The providers then make up the lost profits over the lifetime of their contract with the customer. To protect those profits, the wireless providers …
An IP address can be defined as a unique numeric identifier (address) that is assigned to each computer operating in a TCP/IP based network. Manually configuring computers with IP addresses and other TCP/IP configuration parameters is not an intricate task. However, manually configuring thousands of workstations with unique IP addresses would be a time consuming, …
The primary network communications protocol used on networks today is the IP (Internet Protocol). IP relays or transfers network packets, also known as datagrams, to destinations on local networks or across the public Internet. It defines the structures which encapsulate information as well as the legal addressing methods used to identify the source and destination …
The ABCD tones are additional DTMF tones that may be used in any way the standard (0-9) tones are used. These tones are generated using a Silver Box. Engineers envisioned phones being used to access computers and other devices. This vision led to the addition of the number sign (#, sometimes called ‘octothorpe’ or ‘pound’) …