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The part of a CPU core that performs logical operations and integer arithmetic.
ALU (arithmetic/logic unit)
A type of signal where the data is represented by continuous waves.
analog signal
A Linux-based operating system designed for mobile phones and developed by a group of companies that includes Google.
Android
A device used for receiving or sending radio signals; often used to increase the range of a network.
antenna
Software used to detect and eliminate computer viruses and other types of malware.
antivirus software
Programs that enable users to perform specific tasks on a computer, such as writing a letter or playing a game.
application software
The predecessor of the Internet, named after the Advanced Research Projects Agency (ARPA), which sponsored its development.
ARPANET
ASCII (American Standard Code for
Information Interchange)
A fixed-length, binary coding system used to represent textbased data for computer processing on many types of computers.
A company that manages and distributes software-based services over the Internet
ASPs (application service providers)
Sound, such as music, spoken voice, and/or sound effects.
audio
A duplicate copy of data or other computer content in case the original version is destroyed.
backup
The amount of data that can be transferred in a given period of time; also referred to as throughput.
bandwidth
A machine-readable code that represents data as a set of bars.
barcode
An output device that prints barcoded documents.
barcode printer
An input device that reads barcodes.
barcode reader
A high-capacity (typically 25 MB or 50 MB) that is often used to deliver high-definition movies, as well as to store user data.
BD (Blu-ray Disc)
A recordable Blu-ray Disc
BD-R disc
A rewritable Blu-ray Disc
BD-RE disc
Blu-ray Disc that can be read from, but not written to, by the user
BD-ROM disc
The numbering system that represents all numbers using just two symbols (0's and 1's)
binary numbering system
An access control system that uses one unique physical characteristic of an individual (such as a fingerprint, face, or voice) to authenticate that individual
biometric access system
A device used to input biometric data, such as an individual's fingerprint or voice.
biometric reader
The smallest unit of data a digital computer can recognize; represented by a 0 or a 1.
bit
The operating system designed for BlackBerry devices.
BlackBerry OS
A Web page that contains short, frequently updated entries in chronological order, typically by just one individual
blog
A networking standard for very short-range wireless connections; the devices are automatically connected once they get within the allowable range
Bluetooth
Very fast, direct Internet access via fiber-optic networks; also referred to as fiber-to-the-premises (FTTP) Internet access.
BoF (broadband over fiber) internet access
To start up a computer
boot
A computer that is controlled by a hacker or other computer criminal
bot
An area in RAM or on the hard drive designated to hold input and output on their way in and out of the system.
buffer
An electronic path on the motherboard or within the CPU or other computer component along which data is transferred
bus
The part of a CPU core that allows it to communicate with other CPU components
bus interface unit