Acronyms Exam With Correct Answers.
AC - Answer Alternating Current: The electricity that is provided from the wall outlets. Computers don't
use alternating current, they use direct current.
ACL - Answer Access Control List: A file containing rules about data traffic between networks that a
router uses. (Firewalls and network traffic)
AES - Answer advanced encryption standard, a symmetric 128-bit block data encryption technique.
Symmetric encryption is where both the sender and receiver use the same key to encrypt and decrypt
the conversation.
AIO - Answer All In One: A computer system where components are integrated into the display. Usually
includes touch-screen and built-in microphone and speakers. All-in-one computers offer little to no
expansion capabilities and the power supply is often external to the computer.
APIPA - Answer Automatic Private Internet Protocol Addressing: If your Windows computer can't
communicate with a DHCP server to get an IPv4 address, then Windows automatically assigns an
Automatic Private Internet Protocol Addressing (APIPA) address . This link-local address is in the range of
169.254.0.0 to 169.254.255.255. Self-configured address. No DHCP server giving IP address.
ARM - Answer Advanced RISC Machine: A type of CPU that uses RISC. RISC (Reduced Instruction Set
Computer) uses a relatively small set of instructions. RISC chips are designed to execute these
instructions very rapidly.
ARP - Answer Address Resolution Protocol. A protocol used for mapping an IP address to a computer
connected to a LAN. Maps IP address to a MAC address.
ASCII - Answer American Standard Code for Information Interchange: a set of digital codes representing
letters, numerals, and other symbols, widely used as a standard format in the transfer of text between
computers. Gives all computers the same language so they can communicate. Converts text to computer
language.
, BD-ROM - Answer Blu-Ray Read Only Memory. Blue-ray Disc is an optical drive that can store HD digital
video and data. BD-ROM is pre-recorded with movies, games, or software
BIOS - Answer Basic Input/Output System: BIOS is used to help boot the computer and manage the
flow of data between the hard drive, video card, keyboard, mouse, and more. Modern computers usually
replace BIOS with UEFI. Basic computer functions and identify computer hardware.
CAD - Answer Computer Aided Design. The use of computers in converting the initial idea for a product
into a detailed engineering design.
CAM - Answer Computer Aided Manufacturing: The use of software and computer-controlled
machinery to automate a manufacturing process
CD - Answer Compact Disc: A type of optical drive that can store audio and data. An optical drive is a
type of removable media storage device that uses lasers to read and write data.
CD-ROM - Answer compact disc-read-only memory: Can only read the CD. Cannot read anything else or
write anything else.
CD-RW - Answer Compact disc rewritable. Can be rerecorded multiple times unlike CD-ROM.
CPU - Answer Central Processing Unit: Known as the brain of the computer. Does multiple calculations.
CRUD - Answer Create, Read, Update, Delete: 4 basic operations of data storage, regarded collectively
CSS - Answer Cascading Style sheets: A mechanism for adding fonts, colors, spacing, etc. to websites
DC - Answer Direct current: All computers parts require direct current. Uses power supply to convert
AC to lower voltage DC