COMPTIA A+ Terms, comptia a+ 901, study guide

CPU

central processing unit

COMx

communication port (x=port number)

CD

compact disc

CD-ROM

compact disc-read-only memory

CD-RW

compact disc-rewritable

CMOS

complementary metal-oxide semiconductor

DSL

digital subscriber line

DVD

digital video disc or digital versatile disc

DVD-RAM

digital video disc-random access memory

DVD-ROM

digital video disc-read only memory

DVD-R

digital video disc-recordable

DVD-RW

digital video disc-rewritable

DVI

digital visual interface

DC

direct current

DMA

direct memory access

DAC

discretionary access control

DDOS

distributed denial of service

DFS

distributed file system

DNS

domain name service or domain name server

DDR

double data-rate

DDR RAM

double data-rate random access memory

DDR SDRAM

double data-rate synchronous dynamic random access memory

DIMM

dual inline memory module

DIP

dual inline package

DHCP

dynamic host configuration protocol

DRAM

dynamic random access memory

EEPROM

electrically erasable programmable read-only memory

EMI

electromagnetic interference

EMP

electromagnetic pulse

ESD

electrostatic discharge

ERD

emergency repair disk

EFS

encrypting file system

EIDE

enhanced integrated drive electronics

EPP

enhanced parallel port

EPROM

erasable programmable read-only memory

ECC

error correction code

EVDO

evolution data optimized or evolution data only

ECP

extended capabilities port

EVGA

extended video graphics adapter/array

FPM

fast page-mode

FRU

field replaceable unit

FAT

file allocation table

FTP

file transfer protocol

FDD

floppy disk drive

FQDN

fully qualified domain name

Gb

gigabit

GB

gigabyte

GHz

gigahertz

GPS

global positioning system

GSM

global system for mobile communications

GUI

graphical user interface

GDI

graphics device interface

HDD

hard disk drive

HAL

hardware abstraction layer

HCL

hardware compatibility list

HDMI

high definition media interface

HPFS

high performance file system

HTML

hypertext markup language

HTTP

hypertext transfer protocol

FAT12

12-bit file allocation table

FAT16

16-bit file allocation table

FAT32

32-bit file allocation table

DB-9

9 pin D shell connector

AP

Access point

ACT

Activity

ACPI

Advance Confirguration Power Interface

AHCI

Advanced host controller interface

AC

Alternating Current

DMZ

demilitarized zone

DOS

denial of service

ADSL

Asymmetrical Digital Subscriber Line

A/V

Audio Video

BNC

Bayonet-Neill-Concelman or British Naval Connector

DLP

digital light processing

DLT

digital linear tape

CFS

Central File System, Common File System, Command File System

CCFL

Cold Cathode Fluorescent Lamp

CIFS

Common Internet File System

CNR

Communications and Networking Riser

CAPTCHA

Completely Automated Public Turing Test To Tell Computers and Humans Apart

CRIMM

Continuity Rambus Inline Memory Mode

DIN

Deutsche Industrie Norm

FSB

Front Side Bus

Fn

Function (referring to the function key on a laptop)

HAV

Hardware Assisted Virtualization

HTPC

Home theater PC

AGP

accelerated graphics port

ARP

address resolution protocol

AMD

advanced micro devices

APM

advanced power management

ATA

advanced technology attachment

ATAPI

advanced technology attachment packet interface

ATX

advanced technology extended

ATM

asynchronous transfer mode

ASR

automated system recovery

APIPA

automatic private internet protocol addressing

BTX

balanced technology extended

BIOS

basic input/output system

CRT

cathode-ray tube

DB-25

serial communications D-shell connector, 25 pins