Short Forms & Full Forms
Computer = Commonly Operated Machine Particularly Used in Technical and Educational Research
CPU = Central Processing Unit
RAM = Random Access Memory
ROM = Read Only Memory
PROM = Programmable Read Only Memory
EPROM = Erasable PROM
EEPROM = Electrically EPROM
HDD = Hard Disk Drive
FDD = Floppy Disk Drive
KBD = KeyBoard
I/O = Input & Output
CD = Compact Disk
DVD = Digital Video Disk
SMPS = Switch Mode Power Supply
POST = Power ON Self Test
BIOS = Basic Input Output System
VDU = Visible Display Unit
LED = Light Embedded Diode
LCD = Liquid Crystal Display
USB = Universal Serial Bus
VGA = Video/Visual Graphic Adapter
LAN = Local Area Network
WAN = Wide Area Network
MAN = Metropolitan Area Network
HLL = High Level Language
LLL = Low Level Language
MIPS = Million of Instruction Per Second
Mbps = Mega Bytes Per second
Kbps = Kilo Bytes per second
HTTP = Hyper Text Templates
WWW = World Wide Web
IP = Internet Protocol
ISP = Internet Service Provider
4 Bits = 1 Nibble
8 Bits = 1 Byte
1024 Bytes = 1 Kilo Byte ( KB )
1024 KB = 1 Mega Byte ( MB )
1024 MB = 1 Gyga Byte ( GB )
1024 GB = 1 Tera Byte ( TB )
1024 TB = 1 Peta Byte ( PB )
1024 PB = 1 Exa Byte ( EB )
1024 EB = 1 Zetta Byte ( ZB )
1024 ZB = 1 Yotta Byte ( YB )
AC | alternating current |
ACPI | advanced configuration and power interface |
ACT | activity |
ADSL | asymmetrical digital subscriber line |
AGP | accelerated graphics port |
AMD | advanced micro devices |
AMR | audio modem riser |
APIPA | automatic private internet protocol addressing |
APM | advanced power management |
ARP | address resolution protocol |
ASR | automated system recovery |
AT | advanced technology |
ATA | advanced technology attachment |
ATAPI | advanced technology attachment packet interface |
ATM | asynchronous transfer mode |
ATX | advanced technology extended |
BIOS | basic input/output system |
BNC | Bayonet-Neill-Concelman or British Navel Connector |
BRI | basic rate interface |
BTX | balanced technology extended |
CCD | charged coupled device |
CD | compact disc |
CD-ROM | compact disc-read-only memory |
CD-RW | compact disc-rewritable |
CDFS | compact disc file system |
CMOS | complementary metal-oxide semiconductor |
CNR | communication network riser |
COM1 | communication port 1 |
CPU | central processing unit |
CRIMM | continuity-rambus inline memory module |
CRT | cathode-ray tube |
DAC | discretionary access control |
DB-25 | serial communications D-shell connector, 25 pins |
DB-9 | 9 pin D shell connector |
DC | direct current |
DDOS | distributed denial of service |
DDR | double data-rate |
DDR RAM | double data-rate random access memory |
DDR SDRAM | double data-rate synchronous dynamic random access memory |
DFS | distributed file system |
DHCP | dynamic host configuration protocol |
DIMM | dual inline memory module |
DIN | Deutsche Industrie Norm |
DIP | dual inline package |
DLT | digital linear tape |
DLP | digital light processing |
DMA | direct memory access |
DNS | domain name service or domain name server |
DOS | disk operating system or denial of service |
DPMS | display power management signaling |
DRAM | dynamic random access memory |
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 |
ECC | error correction code |
ECP | extended capabilities port |
EEPROM | electrically erasable programmable read-only memory |
EFS | encrypting file system |
EIDE | enhanced integrated drive electronics |
EISA | extended industry standard architecture |
EMI | electromagnetic interference |
EMP | electromagnetic pulse |
EPROM | erasable programmable read-only memory |
EPP | enhanced parallel port |
ERD | emergency repair disk |
ESD | electrostatic discharge |
ESDI | enhanced small device interface |
EVGA | extended video graphics adapter/array |
EVDO | evolution data optimized or evolution data only |
FAT | file allocation table |
FAT12 | 12-bit file allocation table |
FAT16 | 16-bit file allocation table |
FAT32 | 32-bit file allocation table |
FDD | floppy disk drive |
FERPA | Family Educational Rights and Privacy Act |
Fn | Function (referring to the function key on a laptop) |
FPM | fast page-mode |
FRU | field replaceable unit |
FT | P file transfer protocol |
FQDN | fully qualified domain name |
GB | gigabyte |
GDI | graphics device interface |
GHz | gigahertz |
GUI | graphical user interface |
GPRS | general packet radio system |
GSM | global system for mobile communications |
HAL | hardware abstraction layer |
HCL | hardware compatibility list |
HDD | hard disk drive |
HDMi | high definition media interface |
HPFS | high performance file system |
HTML | hypertext markup language |
HTTP | hypertext transfer protocol |
HTTPS | hypertext transfer protocol over secure sockets layer |
I/O | input/output |
ICMP | internet control message protocol |
ICS | internet connection sharing |
ICR | intelligent character recognition |
IDE | integrated drive electronics |
IEEE | Institute of Electrical and Electronics Engineers |
IIS | Internet Information Services |
IMAP | internet mail access protocol |
IP | internet protocol |
IPCONFIG | internet protocol configuration |
IPP | internet printing protocol |
IPSEC | internet protocol security |
IPX | internetwork packet exchange |
IPX/SPX | internetwork packet exchange/sequenced packet exchange |
IR | infrared |
IrDA | Infrared Data Association |
IRQ | interrupt request |
ISA | industry standard architecture |
ISDN | integrated services digital network |
ISO | Industry Standards Organization |
ISP | internet service provider |
KB | kilobyte |
LAN | local area network |
LBA | logical block addressing |
LC | Lucent connector |
LCD | liquid crystal display |
LDAP | lightweight directory access protocol |
LED | light emitting diode |
LIP | or LiPoly lithium-ion polymer |
Li-on | lithium-ion |
LPD/LPR | line printer daemon / line printer remote |
LPT | line printer terminal |
LPT1 | line printer terminal 1 |
LPX | low profile extended |
LVD | low voltage differential |
MAC | media access control |
MAN | metropolitan area network |
MAPI | messaging application programming interface |
Mb | megabit |
MB | megabyte |
MBR | master boot record |
MBSA | Microsoft Baseline Security Analyzer |
MCR | multivariant curve resolution |
MFD | multi-function device |
MFP | multi-function product |
MHz | megahertz |
MicroDIMM | micro dual inline memory module |
MIDI | musical instrument digital interface |
MIME | multipurpose internet mail extension |
MLI | multiple link interface |
MMC | Microsoft management console |
MMX | multimedia extensions |
MP3 | Moving Picture Experts Group Layer 3 Audio |
MPEG | Moving Picture Experts Group |
MSCONFIG | Microsoft configuration |
MSDS | material safety data sheet |
MUI | multilingual user interface |
NAS | network-attached storage |
NAT | network address translation |
NetBIOS | networked basic input/output system |
NetBEUI | networked basic input/output system extended user interface |
NFS | network file system |
NIC | network interface card |
NiCd | nickel cadmium |
NiMH | nickel metal hydride |
NLI | not logged in or natural language interface |
NLX | new low-profile extended |
NNTP | network news transfer protocol |
NTFS | new technology file system |
NTLDR | new technology loader |
NWLINK | Netware Link |
OCR | optical character recognition |
OEM | original equipment manufacturer |
OMR | optical mark recognition |
OS | operating system |
OSR | original equipment manufacturer service release |
PAN | personal area network |
PATA | parallel advanced technology attachment |
PC | personal computer |
PCI | peripheral component interconnect |
PCIe | peripheral component interconnect express |
PCIX | peripheral component interconnect extended |
PCL | printer control language |
PCMCIA | Personal Computer Memory Card International Association |
PDA | personal digital assistant |
PGA | pin grid array |
PGA2 | pin grid array 2 |
PIN | personal identification number |
PKI | public key infrastructure |
PnP | plug and play |
POP | post office protocol |
POP3 | post office protocol 3 |
POST | power-on self test |
POTS | plain old telephone service |
PPP | point-to-point protocol |
PPTP | point-to-point tunneling protocol |
PRI | primary rate interface |
PROM | programmable read-only memory |
PS/2 | Personal System/2 connector |
PSTN | public switched telephone network |
PVC | permanent virtual circuit |
PXE | preboot execution environment |
QoS | quality of service |
RAID | redundant array of independent (or inexpensive) discs |
RAM | random access memory |
RAS | remote access service |
RBAC | role-based access control or rule-based access control |
RDRAM | RAMBUS dynamic random access memory |
RF | radio frequency |
RFI | radio frequency interference |
RGB | red green blue |
RIMM | RAMBUS inline memory module |
RIP | routing information protocol |
RIS | remote installation service |
RISC | reduced instruction set computer |
RJ | registered jack |
RJ-11 | registered jack function 11 |
RJ-45 | registered jack function 45 |
RMA | returned materials authorization |
ROM | read only memory |
RS-232 or RS-232C | recommended standard 232 |
RTC | real-time clock |
SAN | storage area network |
SATA | serial advanced technology attachment |
SC | subscription channel |
SCSI | small computer system interface |
SCSI ID | small computer system interface identifier |
SD | card secure digital card |
SDRAM | synchronous dynamic random access memory |
SEC | single edge connector |
SFC | system file checker |
SGRAM | synchronous graphics random access memory |
SIMM | single inline memory module |
SLI | scalable link interface or system level integration or scanline interleave mode |
SMB | server message block or small to midsize business |
SMTP | simple mail transport protocol |
SNMP | simple network management protocol |
SoDIMM | small outline dual inline memory module |
SOHO | small office/home office |
SP | service pack |
SP1 | service pack 1 |
SP2 | service pack 2 |
SPDIF | Sony-Philips digital interface format |
SPGA | staggered pin grid array |
SPX | sequenced package exchange |
SRAM | static random access memory |
SSH | secure shell |
SSID | service set identifier |
SSL | secure sockets layer |
ST | straight tip |
STP | shielded twisted pair |
SVGA | super video graphics array |
SXGA | super extended graphics array |
TB | terabyte |
TCP | transmission control protocol |
TCP/IP | transmission control protocol/internet protocol |
TDR | time domain reflectometer |
TFTP | trivial file transfer protocol |
UART | universal asynchronous receiver transmitter |
UDF | user defined functions or universal disk format or universal data format |
UDMA | ultra direct memory access |
UDP | user datagram protocol |
UL | Underwriter’s Laboratory |
UNC | universal naming convention |
UPS | uninterruptible power supply |
URL | uniform resource locator |
USB | universal serial bus |
USMT | user state migration tool |
UTP | unshielded twisted pair |
UXGA | ultra extended graphics array |
VESA | Video Electronics Standards Association |
VFAT | virtual file allocation table |
VGA | video graphics array |
VoIP | voice over internet protocol |
VPN | virtual private network |
VRAM | video random access memory |
WAN | wide area network |
WAP | wireless application protocol |
WEP | wired equivalent privacy |
WIFI | wireless fidelity |
WINS | windows internet name service |
WLAN | wireless local area network |
WPA | wireless protected access |
WUXGA | wide ultra extended graphics array |
XGA | extended graphics array |
ZIF | zero-insertion-force |
ZIP | zigzag inline package |
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