Computer parts full form

AC     :   Alternating Current

ACPI   :   Advanced Configuration and Power Interface

AGP    :   Accelerated Graphics Port

AMD   :   Advanced Micro Devices

AMR   :   Audio Modem Riser

APM   :  Advanced Power Management

ASR   :  Automated System Recovery

AT     :  Advanced Technology

ATA   :   Advanced Technology Attachment

ATAPI  :  Advanced Technology Attachment Packet Interface

BIOS   :  Basic Input Output System

BRD-BD : BLU-RAY Disc

CD  :  Compact Disc

CMOS  :  Complementary Metal-Oxide Semiconductor

CPU   :  Central Processing Unit

CRT   :  Cathode Ray Tube.

DAT   :  Digital Audio Tape.

DRAM : Dynamic Random Access Memory

DVD   :  Digital Versatile Disc

DVD-R :  Digital Video Disc-Recordable

DVD-RW  :  Digital Video Disc-Rewritable

FAT   :  File Allocation Table

IC    :  Integrated Chip

LCD  :  Liquid Crystal Display

LED  :  Light Emitting Diode

MDA  :  Monochrome Display Adapter

MMC  :  Multi-Media Card

NIC    :  Network Interface Card

NTFS :  New Technology File System

OCR  :  Optical Character Recognition

OEM  :  Original Equipment Manufacturer

OMR  :  Optical Mark Recognition

OS    :  Operating System

PC     :  Personal Computer

PDA   :  Personal Digital Assistant

RAID  : Redundant Array of Independent Discs

RAM  :  Random Access Memory

ROM  :  Read Only Memory

SATA :  Serial Advanced Technology Attachment

SD     : Secure Digital

UPS   :  Uninterrupted Power Supply

USB   :  Universal Serial Bus

UTP   :   Unshielded Twisted Pair cable

VDT   :  Visual Display Terminal

VDU   :  Visual Display Unit

VGA   :  Video Graphics Array

VLSI   :  Very Large Scale Integration



Full Forms of Keyboard`s Keys Abbreviations :

ALT    :  ALTERNATE

CTRL  :  CONTROL

DEL    :  DELETE

ESC    :  ESCAPE

FN      :  FUNCTION

INS     :  INSERT

NUM LOCK : NUMBER LOCK
PgDn   :  PAGE DOWN
PgUp   :  PAGE UP
PrtScn=Prt Scr=Print Scrn=Prt Scn=Prt Sc=Prt Scrn=Prnt Scrn : PRINT SCREEN
ScrLk    : SCROLL LOCK
SysRq   : SYSTEM REQUEST



Memory Units :


bit  = Binary digit   
Byte = B   
KiloByte    =  KB   
MegaByte  =  MB   
GigaByte   =  GB
TeraByte   =  TB   
PetaByte   =  PB   
ExaByte    =  EB   
ZettaByte  = ZB 
YottaByte  = YB



Internet or Networking Terms :


AM/FM    :    Amplitude/FrequencyModulation.
AP          :   ACCESS POINT
APIPA     :   Automatic Private Internet Protocol Addressing
ARP        :   Address Resolution Protocol
ARPANET :    Advanced Research Project Agency
ASP        :    ACTIVE SERVER PAGES
CDMA     :    Code Divison Multiple Access.
CSS       :   Cascading Style sheet
DL         :   DOWNLOAD
DMCA    :   Digital Millenium Copyright Act
DNS      :   Domain Name System
EDGE    :   Enhanced Data Rate for GSM
E-MAIL  :   Electronic Mail
GPRS    :   General Packet Radio Service.
GSM      :   Global System for Mobile Communication.
HSDPA  :   High Speed Downlink Packet Access.
HTML    :   HYPERTEXT MARKUP LANGUAGE
HTTP     :  HYPERTEXT TRANSFER PROTOCOL
HTTPS   :  HYPERTEXT TRANSFER PROTOCOL SECURE
INFO     :   INFORMATION
IP         :   Internet Protocol
IPV4     :   INTERNET PROTOCOL VERSION 4
IPV6     :   INTERNET PROTOCOL VERSION 6
ISP       :   Internet Service Provider
LAN      :   LOCAL AREA NETWORK
MMS     :   MULTIMEDIA MESSAGING SERVICE
NAT      :   NETWORK ADDRESS TRANSLATION
PHP       :  HYPERTEXT PREPROCESSOR
PR        :   PAGE RANK
RSS      :  REALLY SIMPLE SYNDICATION
SEO      :  SEARCH ENGINE OPTIMIZATION
SIM      :   Subscriber Identity Module.
SMS     :   SHORT MESSAGE SERVICE
SQL     :    STRUCTURED QUERY LANGUAGE
TCP     :    Transmission Control Protocol .
UHF     :    Ultra High Frequency.
UL       :    UPLOAD
UMTS   :   Universal Mobile

Telecommunication System

URL     :   Uniform or Universal Resource Locator
VHF     :   Very High Frequency.
VIRUS  :   Vital Information Resource Under Siege
VOIP    :   Voice Over Internet Protocol
WAP    :   Wireless Application Protocol.
WI-FI   :   WIreless FIdelity
WLAN  :   Wireless Local Area Network
WWW  :   World Wide Web
XML     :   eXtensible Markup Language


Most Common Domains :


.BIZ   :  BUSINESS
.COM  :  COMMERCIAL
.EDU  :  EDUCATIONAL
.GOV  :  GOVERMENTAL
.IN     :  INDIA
.INFO :  INFORMATION
.NET  :  NETWORK
.ORG :  ORGANIZATION
.UK   :  UNITED KINGDOM
.US   :  UNITED STATE
TLD  :  TOP-LEVEL DOMAIN


Mostly used Extensions :


3GP    : 3rd Generation Project
3GPP  : 3rd Generation Partnership Project
AAC   : Advanced Audio Coding
AMR   : Adaptive Multi-Rate Codec
AVI    : Audio Video Interleave
BMP   : Bitmap
DOC  : Document
DVX  : DivX Video
GIF   : Graphic InterchangeableFormat
JAD  : Java Application Descriptor
JAR  : Java Archive
JPEG : Joint Photographic Expert Group
M3G  : Mobile 3D Graphics
M4A  : MPEG-4 Audio File
MP3  :  Moving Picture Experts Group Phase  PHASE 3 (MPEG-3)
MP4   : MPEG-4 video file
MPEG : Moving Picture Experts Group  (MPEG)
MPEG 1 :  Moving Picture Experts Group  PHASE 1 (MPEG-1)
MPEG 2 :  Moving Picture Experts Group Phase  PHASE 2 (MPEG-2)
PDF  :  Portable Document Format
PNG  :  Portable Network Graphics
RTS  :  Real Time Streaming
SIS  :   Symbian OS Installer File
SWF  :  Shock Wave Flash
TXT   :  Text
WAV  :  Waveform Audio
WBMP : Wireless Bitmap Image
WMA   : Windows Media Audio
WMP   : Windows Media Player
WMV   : Windows Media Video