CompTIA A+ Certification: Key IT Acronyms Quiz

AC stands for Alternating Current, which is a type of electrical current where the flow of electric charge periodically reverses direction.

An ACL is a list of permissions attached to an object that specifies which users or system processes are granted access to objects, as well as what operations are allowed on given objects.

An Automatic Document Feeder (ADF) is a feature commonly found on scanners and printers that allows for multiple pages to be scanned or copied without manually feeding each page.

ADSL stands for Asymmetrical Digital Subscriber Line, a type of DSL technology that provides faster download speeds than upload speeds.

AES stands for Advanced Encryption Standard, which is a symmetric encryption algorithm used to securely encrypt and decrypt data.

AHCI stands for Advanced Host Controller Interface, which is a technical standard that defines the operation of Serial ATA host controllers.

APIPA stands for Automatic Private Internet Protocol Addressing and is a feature in operating systems that automatically assigns IP addresses in the absence of a DHCP server.

APM commonly refers to Advanced Power Management, a technology used to reduce energy consumption and increase efficiency in electronic devices.

ARP is a protocol used for mapping an IP address to a MAC address on a local area network.

ASR stands for Automated System Recovery, which is a feature in Microsoft Windows operating systems that allows users to create backups and recover their system in case of failure.

ATA in this context refers to Advanced Technology Attachment, which is a type of interface used to connect storage devices such as hard drives to a computer's motherboard.

ATAPI stands for Advanced Technology Attachment Packet Interface, which is an interface standard for connecting storage devices such as hard drives and optical drives to a computer.

ATM in the context of data networking refers to Asynchronous Transfer Mode, a switching technique used by telecommunications networks.

ATX stands for Advanced Technology Extended, which is a motherboard form factor specification developed by Intel in the late 1990s. It has since become the most common motherboard design in desktop computers.

AUP stands for Acceptable Use Policy, which defines the acceptable uses of a network or system by its users.

A/V commonly refers to Audio Video, which involves the transmission and processing of both sound and visual information.

BD-R stands for Blu-ray Disc Recordable, which refers to a type of optical disc format that allows users to record and store data, videos, or other media content on a Blu-ray disc. The term 'Blu-ray' comes from the blue laser technology used to read and write data on the disc.

BIOS stands for Basic Input/Output System, which is a firmware used to perform hardware initialization during the booting process of a computer.

BD-RE stands for Blu-ray Disc Rewritable, allowing users to write and rewrite data onto a Blu-ray disc multiple times.

BNC stands for Bayonet-Neill-Concelman, which is a type of RF connector commonly used in electronic equipment.

BYOD stands for Bring Your Own Device, which refers to the policy of allowing employees to use their personal devices for work purposes.

CAD stands for Computer-Aided Design, which is a technology used by architects, engineers, and designers for creating precision drawings and models of physical objects.

CD is commonly known as Compact Disc in the context of music and data storage.

A CD-ROM is a type of optical disc that can be read by a computer but not written to. It serves as a form of non-volatile memory and is commonly used for software and data storage.

CD-RW stands for Compact Disc-Rewritable, allowing users to write and rewrite data on the disc multiple times.

CDFS typically refers to Compact Disc File System, which is a file system for CD-ROM media.

CERT (Computer Emergency Response Team) is a group of cybersecurity experts responsible for responding to and resolving computer security incidents.