Backlight: A light that emits from the back of the LCD of a device for readability.

Backlight timeout: The duration of time the backlight remains on.

Bandwidth: A range of frequencies where certain functions can be performed; measured in hertz (Hz). The amount of information that can be transmitted over a wire or another medium over a period of time. The greater the frequency bandwidth, the more information can be sent over a certain period of time.

Batch enrollment: The act of registering a multiple number of access cards on the BioStar server. Registered entry cards can be allocated to individual users.

Bifurcation: A point where two fingerprint ridges meet or are separated.

Biometric authentication: The act of determining whether the provided biometric information of an individual matches the information on the individual’s Biometric characteristics previously enrolled.

Biometric information: Information used to identify each individual. Information concerning the unique physical and behavioral characteristics of an individual, including the individual's fingerprint, signature, vein pattern, face, voice, iris, genes, etc.

Biometrics: A technology that extracts and analyzes the physical and behavioral characteristics of individuals using an automated device for the identification of each individual.

Blacklist: A list of cards that are denied for authentication on the BioStar device. When a card is lost or stolen, misuse can be prevented by registering the ID of the card in the blacklist.

Break: A brief time taken off for rest during working hours. Each break is calculated as the time between the start and the end of the break.

Brutal attack: Also called Brute Force Attack, this term refers to the act of entering all possible values to unlock passwords.

Bypass card: A card that enables access to a specific zone by bypassing the authentication process. For example, people who possess this card can pass through the door without the need to go through a series of security (authentication) procedures.