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