IPT Glossary B Flashcards
Backup
To copy files to a separate secondary storage device as a precaution in case the first device fails or data is lost.
Bandwidth
The difference between the highest and lowest frequencies in a transmission channel. Expressed in hertz (Hz), usually kilohertz (kHz) or megahertz (MHz).
Baud Rate
The number of signal events occurring each second along a communication channel. Equivalent to the number of symbols per second.
Bayer Filter
A filter used on many CCD based digital cameras. Bayer filters alternate red and green rows with blue and green rows.
Bias
An inclination or preference towards an outcome. Bias unfairly influences the outcome.
Bit
Binary digit, either 0 or 1.
Bitmap Image
A method of representing an image as individual picture elements (pixels).
Block Based Encoding
A system for compressing video data
Boolean Operator
An operator that acts upon Boolean variables and values.
Boundary
The delineation between a system and its environment.
BPS
Bits Per Second. A measurement of the speed of communication.
Break-Even Point
The point in time when a new system has paid for itself and begins to make a profit.
Broadband
A transmission medium that carries more than one transmission channel. Each channel occupies a distinct range of frequencies.
Browser
A software application that interprets HTML code into text, graphics and other elements seen when viewing a web page from a web server.
Buffer
A storage area used to assist the movement of data between two devices operating at different speeds.