Here are some of the abbreviations i think are commonly heard around in the IT industry… i might have missed out some… but i will try to keep on adding some more.
DAS – Direct Attached Storage
SAN- Storage Area Network
NAS – Network Attached Storage
RAID – Redundant Array of Independent Disk
LUN – Logical Unit Number
RAM – Random Access Memory
SDRAM – Synchronous Dynamic RAM
DDR SDRAM – Double Data Rate SDRAM
ROM – Read Only Memory
CD – Compact Disc
CD-ROM – Compact Disc Read Only Memory
VCD – Video Compact Disc
CD-R – Write Once CD
CD-RW – Rewritable CD
DVD – Digital Versatile Disc
HD-DVD – High Definition/Density DVD
DVD-ROM – Read Only DVD
DVD-R/DVD+R – Write Once DVD
DVD-RW/DVD+RW/DVD-RAM – Rewritable DVD
BD – Blu-ray Disc
SCSI – Small Computer System Interface
SAS – Serial Attached SCSI
iSCSI – internet SCSI
ATA – Advanced Technology Attachment
SATA – Serial ATA
PATA – Parallel ATA
eSATA – external SATA
USB – Universal Serial Bus
WUSB – Wireless USB
FDD – Floppy Disk Drive
HDD – Hard Disk Drive
SSD – Solid State Drive
LAN – Local Area Network
WLAN – Wireless LAN
VLAN – Virtual Area Network
MAN – Metropolitan Area Network
WAN – Wide Area Network
PAN – Personal Area Network
VPN – Virtual Private Network
IP – Internet Protocol
VoIP – Voice over IP
VPLS – Virtual Private LAN Service
IDE – Integrated Drive Electronics(Hardware) /Integrated Development Environment(Software)
MTBF – Mean Time Between Failures
RPM – Revolutions Per Minute
GSM – Global System for Mobile communication (Groupe Special Mobile)
GPRS – general Packet Radio Service
CDMA – Code Division Multiple Access
HSCSD – High-Speed Circuit-Switched Data
EDGE – Enhanced Data rate for GSM Evolution
UTMS – Universal Mobile Telecommunication System
EV-DO – Evolution Data Optimized
HSDPA – High-Speed Downlink Packet Access
HSUPA – Hight-Speed Uplink Packet Access
UMB – Ultra Mobile Broadband
LTE – 3GPP Long Term Evolution
ISP – Internet Service Provider
ISDN – Integrated Service Digital Network
ISDL – ISDN Digital Subscriber Line
DSL – Digital Subscriber Line
HDSL – High bit rate DSL
SDSL – Symmetric DSL
MSDSL – Multi-rate Symmetric DSL
ADSL – Asymmetric DSL
VDSL – Very-high-bit rate DSL
PON – Passive Optical Network
BPON – broadband PON
GPON – Gigabit PON
EPON – Ethernet PON
APON – ATM PON
ATM – Asynchronous Transfer Mode
ISA – Industry Standard Architecture
PCI – Peripheral Component Interconnet
AGP – Accelerated Graphics Port
DVI – Digital Visual Interface
HDMI – High Definition Multimedia Interface
VGA – Video Graphics Array
VLB – VESA Local Bus
VESA – Video Electronics Standard Association
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