An occupancy sensor is a device that is capable of detecting and/or recording the amount of people in a room or area. Occupancy sensors are most often used to determine how many people are in an area that may restrict the total occupancy or in a system that turns lights/other accessories off when no one …
An Apple MacBook can last some time without the keyboard getting damaged. If the keyboard gets damaged (for e.g. a loose key falls out of the setting) or the user simply wants a new keyboard, he/she will need to replace the keyboard in question. The MacBook has a fairly simple case that users with the …
A pressure transmitter or pressure sensor is a device that measures pressure in a liquid, fluid, or gas. Pressure transmitters are commonly used to measure pressure inside of industrial machinery in order to alert the user before a catastrophe occurs. They have many different uses, most of which are industrial or automotive in nature. A …
A biometric coprocessor is a device that is capable of scanning a user’s physical attributes in order to allow access to a building or computer network. A biometric coprocessor is essentially a fingerprint reader, but may also include sensors that analyze the user’s eyes, voice, or even breath. The term “biometric coprocessor” comes from the …
Fingerprint scanners are biometric security systems designed to use the distinct features of an individual's fingerprints to provide security. Fingerprint scanners are now being used in police stations, security-intensive industries and, most recently, on computer shops as a peripheral device for computers. Biology of a Fingerprint Every person has marks on his fingers. These marks …
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 …
Bluetooth technology has become commonplace in modern society and has expanded the ways in which people communicate with each other. Bluetooth has allowed for drivers to talk on the phone without using their hands, teenagers to listen to music without plugging their headphones into their MP3 players, and computer users to be more mobile by …
To provide additional portability to computer users, IT manufacturers have created wireless keyboards that do not have to be kept at the user's desk. Wireless keyboards can be used by both desktop and laptop users as the technology used in wireless keyboards is universal to all computer models. While wireless keyboards may offer additional mobility …
Optical mice are the de facto standard for mice to communicate between the end user and the computer. The optical mouse is a great improvement of the mechanical mouse that was created in the early 1970s. Agilent Technologies introduced the Optical mouse in 1999. The technology uses a tiny camera that takes thousands of pictures …
Many people install security features on their computer in order to prevent unauthorized users from accessing the computer when they are away. For example, login identification, file encryption, and even biometric identification are all sufficient methods of keeping intruders out of someone’s personal information. However, some users may wish to go even further by locking …