A+ acronyms Flashcards
(682 cards)
1
Q
AC
A
Alternating Current
2
Q
BD-ROM
A
Blu-Ray Read Only Memory
3
Q
BIOS
A
Basic Input/Output System
4
Q
CAD
A
Computer Aided Design
5
Q
CAM
A
Computer Aided Manufacturing
6
Q
CD
A
Compact Disc
7
Q
CD-ROM
A
Compact Disc-Read-Only Memory
8
Q
CD-RW
A
Compact Disc-Rewritable
9
Q
CPU
A
Central Processing Unit
10
Q
CRT
A
Cathode-Ray Tube
11
Q
DC
A
Direct Current
12
Q
DDR
A
Double Data-Rate
13
Q
DDR RAM
A
Double Data-Rate Random Access Memory
14
Q
DDR SDRAM
A
Double Data-Rate Synchronous Dynamic Random Access Memory
15
Q
DHCP
A
Dynamic Host Configuration Protocol
16
Q
DIMM
A
Dual Inline Memory Module
17
Q
DNS
A
Domain Name Services or Domain Name Server
18
Q
DSL
A
Digital Subscriber Line
19
Q
DVD
A
Digital Video Disc or Digital Versatile Disc
20
Q
DVD-DL
A
Digital Video Disc or Digital Versatilve Disc Dual Layer
21
Q
DVD-R
A
Digital Video Disc-Recordable
22
Q
DVD-RAM
A
Digital Video Disc-Random Access Memory
23
Q
DVD-ROM
A
Digital Video Disc-Read Only Memory
24
Q
DVD-RW
A
Digital Video Disc-Rewritable
25
DVI
Digital Visual Interface
26
EMI
Electromagnetic Interference
27
EMP
Electromagnetic Pulse
28
eSATA
External Serial Advanced Technology Attachment
29
ESD
Electrocstatic Discharge
30
FAT
File Allocation Table
31
FAT32
32-bit File Allocation Table
32
FTP
File Transafer Protocol
33
FTPS
File Transfer Protocol over Secure Sockets Layer
34
Gb
Gigabit
35
GB
Gigabyte
36
GPS
Global Postioning System
37
HDD
Hard Disk Drive
38
HDMI
High Definition Media Interface
39
HTML
Hypertext Markup Language
40
HTTP
Hypertext Transfer Protocol
41
IDE
Integrated Drive Electronics
42
IMAP
Internet Mail Access Protocol
43
IP
Internet Protocol
44
IR
Infrared
45
ISDN
Integrated Services Digital Network
46
ISP
Internet Service Provider
47
Kb
Kilobit
48
KB
Kilobyte or Knowledge Base
49
LAN
Local Area Network
50
MB
Megabyte
51
Mb
Megabit
52
MHz
Megahertz
53
MIDI
Musical Instrument Digital Interface
54
MP3
Moving Picture Experts Group Layer 3 Audio
55
MP4
Moving Picture Experts Group Layer 4
56
MPEG
Moving Picture Experts Group
57
NAS
Network Attached Storage
58
NFC
Near Field Communications
59
NIC
Network Interface Card
60
OEM
Original Equipment Manufacturer
61
OS
Operating System
62
PC
Personal Computer
63
PCI
Peripheral Component Interconnect
64
PCIe
Peripheral Component Interconnect Express
65
PCIX
Peripheral Component Interconnect Extended
66
PII
Personally Identifiable Information
67
POP
Post Office Protocol
68
POP3
Post Office Protocol 3
69
POTS
Plain Old Telephone System
70
PSU
Power Supply Unit
71
PS/2
Personal System 2
72
RAM
Random Accesss Memory
73
RGB
Red-Green-Blue
74
RJ
Registered Jack
75
RJ-11
Registered Jack Function 11
76
RJ-45
Registered Jack Function 45
77
RoHS
Recycling of Hazardous Substances
78
SATA
Serial Advanced Technology Attachment
79
SD card
Secure Digital Card
80
SFTP
Secure File Transfer Protocol
81
SID
System Identifier
82
SMTP
Simple Mail Transfer Protocol
83
SOHO
Small Office / Home Office
84
SSD
Solid State Drive
85
SSID
Service Set Identifier
86
SSL
Secure Sockets Layer
87
TB
Terabyte
88
TCP
Transmission Control Protocol
89
TCP/IP
Transmission Control Protocol / Internet Protocol
90
UPS
Uninterruptable Power Supply
91
URL
Uniform Resource Locator
92
USB
Universal Serial Bus
93
VGA
Video Graphics Array
94
VoIP
Voice over Internet Protocol
95
VTC
Video Teleconference
96
WAN
Wide Area Network
97
WAP
Wireless Application Protocol
98
WEP
Wired Equivalency Privacy
99
WIFI
Wireless Fidelity
100
WiMAX
Worldwide Interoperability for Mircowave Access, Inc.
101
WLAN
Wireless Local Area Network
102
WPA
Wireless Protected Access
103
WPA2
Wireless Protected Access 2
104
WPS
Wireless Protected Setup
105
AC
alternating current
106
ACL
access control list
107
ACPI
advanced configuration power interface
108
ACT
activity
109
ADSL
asymmetrical digital subscriber line
110
AGP
accelerated graphics port
111
AHCI
Advanced host controller interface
112
AMD
advanced micro devices
113
AP
Access point
114
AGP
accelerated graphics port
115
APIPA
automatic private internet protocol addressing
116
APM
advanced power management
117
ARP
address resolution protocol
118
ARP
address resolution protocol
119
ASR
automated system recovery
120
ATA
advanced technology attachment
121
ATAPI
advanced technology attachment packet interface
122
ATM
asynchronous transfer mode
123
ATX
advanced technology extended
124
A/V
Audio Video
125
BIOS
basic input/output system
126
BNC
Bayonet-Neill-Concelman or British Naval Connector
127
BTX
balanced technology extended
128
CAPTCHA
Completely Automated Public Turing Test To Tell Computers and Humans Apart
129
CCFL
Cold Cathode Fluorescent Lamp
130
CDFS
compact disc file system
131
CFS
Central File System, Common File System, Command File System
132
CMOS
complementary metal-oxide semiconductor
133
CNR
Communications and Networking Riser
134
COMx
communication port (x=port number)
135
CPU
central processing unit
136
CRIMM
Continuity Rambus Inline Memory Mode
137
CRT
cathode-ray tube
138
DAC
discretionary access control
139
DB-25
serial communications D-shell connector, 25 pins
140
DB-9
9 pin D shell connector
141
DC
direct current
142
DDOS
distributed denial of service
143
DDR
double data-rate
144
DDR RAM
double data-rate random access memory
145
DDR SDRAM
double data-rate synchronous dynamic random access memory
146
DFS
distributed file system
147
DHCP
dynamic host configuration protocol
148
DIMM
dual inline memory module
149
DIN
Deutsche Industrie Norm
150
DIP
dual inline package
151
DLT
digital linear tape
152
DLP
digital light processing
153
DMA
direct memory access
154
DMZ
demilitarized zone
155
DNS
domain name service or domain name server
156
DOS
denial of service or disk operating system
157
DRAM
dynamic random access memory
158
DSL
digital subscriber line
159
DVD
digital video disc or digital versatile disc
160
DVD-RAM
digital video disc-random access memory
161
DVD-ROM
digital video disc-read only memory
162
DVD-R
digital video disc-recordable
163
DVD-RW
digital video disc-rewritable
164
DVI
digital visual interface
165
ECC
error correction code
166
ECP
extended capabilities port
167
EEPROM
electrically erasable programmable read-only memory
168
EFS
encrypting file system
169
EIDE
enhanced integrated drive electronics
170
EPP
enhanced parallel port
171
ERD
emergency repair disk
172
ESD
electrostatic discharge
173
EVGA
extended video graphics adapter/array
174
EVDO
evolution data optimized or evolution data only
175
FAT
file allocation table
176
FAT12
12-bit file allocation table
177
FAT16
16-bit file allocation table
178
FAT32
32-bit file allocation table
179
FDD
floppy disk drive
180
Fn
Function (referring to the function key on a laptop)
181
FPM
fast page-mode
182
FRU
field replaceable unit
183
FSB
Front Side Bus
184
FTP
file transfer protocol
185
FQDN
fully qualified domain name
186
GDI
graphics device interface
187
GUI
graphical user interface
188
GPS
global positioning system
189
GSM
global system for mobile communications
190
HAL
hardware abstraction layer
191
HAV
Hardware Assisted Virtualization
192
HCL
hardware compatibility list
193
HDD
hard disk drive
194
HDMI
high definition media interface
195
HPFS
high performance file system
196
HTML
hypertext markup language
197
HTPC
Home Theater PC
198
HTTP
hypertext transfer protocol
199
HTTPS
hypertext transfer protocol over secure sockets layer
200
I/O
input/output
201
ICMP
internet control message protocol
202
ICR
intelligent character recognition
203
IDE
integrated drive electronics
204
IDS
Intrusion Detection System
205
IEEE
Institute of Electrical and Electronics Engineers
206
IIS
Internet Information Services
207
IMAP
internet mail access protocol
208
IP
internet protocol
209
IPCONFIG
internet protocol configuration
210
IPP
internet printing protocol
211
IPSEC
internet protocol security
212
IrDA
Infrared Data Association
213
IRQ
interrupt request
214
ISA
industry standard architecture
215
ISDN
integrated services digital network
216
ISO
Industry Standards Organization
217
JBOD
just a bunch of disks
218
LAN
local area network
219
LBA
logical block addressing
220
LC
Lucent connector
221
LCD
liquid crystal display
222
LDAP
lightweight directory access protocol
223
LED
light emitting diode
224
Li-on
lithium-ion
225
LPD/LPR
line printer daemon / line printer remote
226
LPT
line printer terminal
227
LVD
low voltage differential
228
MAC
media access control / mandatory access control
229
MAPI
messaging application programming interface
230
MAU
media access unit, media attachment unit
231
Mb
megabit
232
MB
megabyte
233
MBR
master boot record
234
MBSA
Microsoft Baseline Security Analyzer
235
MCA
Micro Channel Architecture
236
MFD
multi-function device
237
MFP
multi-function product
238
MHz
megahertz
239
MicroDIMM
micro dual inline memory module
240
MIDI
musical instrument digital interface
241
MIME
multipurpose internet mail extension
242
MIMO
Multiple Input Multiple Output
243
MMC
Microsoft management console
244
MMX
multimedia extensions
245
MP3
Moving Picture Experts Group Layer 3 Audio
246
MP4
Moving Picture Experts Group Layer 4
247
MPEG
Moving Picture Experts Group
248
MSCONFIG
Microsoft configuration
249
MSDS
material safety data sheet
250
MUI
multilingual user interface
251
NAC
network access control
252
NAS
network-attached storage
253
NAT
network address translation
254
NetBIOS
networked basic input/output system
255
NetBEUI
networked basic input/output system extended user interface
256
NFS
network file system
257
NIC
network interface card
258
NiCd
nickel cadmium
259
NiMH
nickel metal hydride
260
NLX ed
new low-profile extend
261
NNTP
network news transfer protocol
262
NTFS
new technology file system
263
NTLDR
new technology loader
264
NTP
Network Time Protocol
265
OCR
optical character recognition
266
OEM
original equipment manufacturer
267
OLED
Organic Light Emitting Diode
268
OS
operating system
269
PAN
personal area network
270
PATA
parallel advanced technology attachment
271
PC
personal computer
272
PCI
peripheral component interconnect
273
PCIe
peripheral component interconnect express
274
PCIX
peripheral component interconnect extended
275
PCL
printer control language
276
PCMCIA
Personal Computer Memory Card International Association
277
PDA
personal digital assistant
278
PGA
pin grid array
279
PGA2
pin grid array 2
280
PII
Personally Identifiable Information
281
PIN
personal identification number
282
PKI
public key infrastructure
283
PnP
plug and play
284
POP3
post office protocol 3
285
PoS
Point of Sale
286
POST
power-on self test
287
POTS
plain old telephone service
288
PPP
point-to-point protocol
289
PPTP
point-to-point tunneling protocol
290
PRI
primary rate interface
291
PROM
programmable read-only memory
292
PS/2
personal system/2 connector
293
PSTN
public switched telephone network
294
PSU
power supply unit
295
PVC
permanent virtual circuit
296
PXE
preboot execution environment
297
RAID
redundant array of independent (or inexpensive) discs
298
RAM
random access memory
299
RAS
remote access service
300
RDRAM
RAMBUS® dynamic random access memory
301
RDP
Remote Desktop Protocol
302
RF
radio frequency
303
RFI
radio frequency interference
304
RGB
red green blue
305
RIMM
RAMBUS® inline memory module
306
RIP
routing information protocol
307
RIS
remote installation service
308
RISC
reduced instruction set computer
309
RJ
registered jack
310
RJ-11
registered jack function 11
311
RJ-45
registered jack function 45
312
RMA
returned materials authorization
313
ROM
read only memory
314
RS-232 or RS-232C
recommended standard 232
315
RTC
real-time clock
316
SAN
storage area network
317
SAS
Serial Attached SCSI
318
SATA
serial advanced technology attachment
319
SC
subscription channel
320
SCP
secure copy protection
321
SCSI
small computer system interface
322
SCSI ID
small computer system interface identifier
323
SD card
secure digital card
324
SDRAM
synchronous dynamic random access memory
325
SEC
single edge connector
326
SFC
system file checker
327
SFF
Small Form Factor
328
SGRAM
synchronous graphics random access memory
329
SIMM
single inline memory module
330
SLI
scalable link interface or system level integration or scanline interleave mode
331
S.M.A.R.T.
self-monitoring, analysis, and reporting technology
332
SMB
server message block or small to midsize business
333
SMTP
simple mail transfer protocol
334
SNMP
simple network management protocol
335
SoDIMM
small outline dual inline memory module
336
SOHO
small office/home office
337
SP
service pack
338
SP1
service pack 1, runs to SP4
339
SPDIF
Sony-Philips digital interface format
340
SPGA
staggered pin grid array
341
SRAM
static random access memory
342
SSH
secure shell
343
SSID
service set identifier
344
SSL
secure sockets layer
345
ST
straight tip
346
STP
shielded twisted pair
347
SVGA
super video graphics array
348
SXGA
super extended graphics array
349
TB
terabyte
350
TCP
transmission control protocol
351
TCP/IP
transmission control protocol/internet protocol
352
TDR
time domain reflectometer
353
TFTP
trivial file transfer protocol
354
TKIP
Temporal Key Integrity Protocol
355
TPM
trusted platform module
356
UAC
user account control
357
UART
universal asynchronous receiver transmitter
358
UDF
user defined functions or universal disk format or universal data format
359
UDMA
ultra direct memory access
360
UDP
user datagram protocol
361
UNC
universal naming convention
362
UPS
uninterruptible power supply
363
URL
uniform resource locator
364
USB
universal serial bus
365
USMT
user state migration tool
366
UTP
unshielded twisted pair
367
UXGA
ultra extended graphics array
368
VESA
Video Electronics Standards Association
369
VFAT
virtual file allocation table
370
VGA
video graphics array
371
VM
Virtual Machine
372
VoIP
voice over internet protocol
373
VPN
virtual private network
374
VRAM
video random access memory
375
WAN
wide area network
376
WAP
wireless application protocol
377
WEP
wired equivalent privacy
378
WIFI
wireless fidelity
379
WINS
windows internet name service
380
WLAN
wireless local area network
381
WPA
wireless protected access
382
WPS
WiFi Protected Setup
383
WUXGA
wide ultra extended graphics array
384
XGA
extended graphics array
385
CFS
Central File System, Common File System, Command File System
386
CDFS
compact disc file system
387
CMOS
complementary metal-oxide semiconductor
388
CNR
Communications and Networking Riser
389
COMx
communication port (x=port number)
390
CPU
central processing unit
391
CRIMM
Continuity Rambus Inline Memory Mode
392
CRT
cathode-ray tube
393
DAC
discretionary access control
394
DB-25
serial communications D-shell connector, 25 pins
395
DB-9
9 pin D shell connector
396
DC
direct current
397
DDOS
distributed denial of service
398
DDR
double data-rate
399
DDR RAM
double data-rate random access memory
400
DDR SDRAM
double data-rate synchronous dynamic random access memory
401
DFS
distributed file system
402
DHCP
dynamic host configuration protocol
403
DIMM
dual inline memory module
404
DIN
Deutsche Industrie Norm
405
DIP
dual inline package
406
DLT
digital linear tape
407
DLP
digital light processing
408
DMA
direct memory access
409
DMZ
demilitarized zone
410
DNS
domain name service or domain name server
411
DOS
denial of service, disk operating system
412
DRAM
dynamic random access memory
413
DSL
digital subscriber line
414
DVD
digital video disc or digital versatile disc
415
DVD-RAM
digital video disc-random access memory
416
DVD-R
digital video disc-recordable
417
DVD-RW
digital video disc-rewritable
418
DVI
digital visual interface
419
ECC
error correction code
420
ECP
extended capabilities port
421
EEPROM
electrically erasable programmable read-only memory
422
EFS
encrypting file system
423
EIDE
enhanced integrated drive electronics
424
EMI
electromagnetic interference
425
EMP
electromagnetic pulse
426
EPP
enhanced parallel port
427
ERD
emergency repair disk
428
ESD
electrostatic discharge
429
EVGA
extended video graphics adapter/array
430
EVDO
evolution data optimized or evolution data only
431
FAT12
12-bit file allocation table
432
FAT16
16-bit file allocation table
433
FAT32
32-bit file allocation table
434
FDD
floppy disk drive
435
Fn
Function (referring to the function key on a laptop)
436
FPM
fast page-mode
437
FRU
field replaceable unit
438
FSB
Front Side Bus
439
FTP
file transfer protocol
440
FQDN
fully qualified domain name
441
Gb
gigabit
442
GB
gigabyte
443
GDI
graphics device interface
444
GHz
gigahertz
445
GUI
graphical user interface
446
GPS
global positioning system
447
GSM
global system for mobile communications
448
HAL
hardware abstraction layer
449
HAV
Hardware Assisted Virtualization
450
HCL
hardware compatibility list
451
HDD
hard disk drive
452
HDMI
high definition media interface
453
HPFS
high performance file system
454
HTML
hypertext markup language
455
HTPC
Home Theater PC
456
HTTP
hypertext transfer protocol
457
HTTPS
hypertext transfer protocol over secure sockets layer
458
I/O
input/output
459
ICMP
internet control message protocol
460
ICR
intelligent character recognition
461
IDE
integrated drive electronics
462
IDS
Intrusion Detection System
463
IEEE
Institute of Electrical and Electronics Engineers
464
IIS
Internet Information Services
465
IMAP
internet mail access protocol
466
IP
internet protocol
467
IPCONFIG
internet protocol configuration
468
IPP
internet printing protocol
469
IPS
Intrusion prevention system
470
IPSEC
internet protocol security
471
IR
infrared
472
IrDA
Infrared Data Association
473
IRQ
interrupt request
474
ISA
industry standard architecture
475
ISDN
integrated services digital network
476
ISO
Industry Standards Organization
477
JBOD
just a bunch of disks
478
Kb
kilobit
479
KB
Kilobyte or knowledge base
480
LAN
local area network
481
LBA
logical block addressing
482
LC
Lucent connector
483
LCD
liquid crystal display
484
LDAP
lightweight directory access protocol
485
LED
light emitting diode
486
Li-on
lithium-ion
487
LPD/LPR
line printer daemon / line printer remote
488
LPT
line printer terminal
489
LVD
low voltage differential
490
MAC
media access control / mandatory access control
491
MAPI
messaging application programming interface
492
MAU
media access unit, media attachment unit
493
MBR
master boot record
494
MBSA
Microsoft Baseline Security Analyzer
495
MFD
multi-function device
496
MicroDIMM
micro dual inline memory module
497
MIDI
musical instrument digital interface
498
MIME
multipurpose internet mail extension
499
MIMO
Multiple Input Multiple Output
500
MMC
Microsoft management console
501
MMX
multimedia extensions
502
MSCONFIG
Microsoft configuration
503
MSDS
material safety data sheet
504
MUI
multilingual user interface
505
NAC
network access control
506
NAS
network-attached storage
507
NAT
network address translation
508
NetBIOS
networked basic input/output system
509
NetBEUI
networked basic input/output system extended user interface
510
NFS
network file system
511
NIC
network interface card
512
NiCd
nickel cadmium
513
NiMH
nickel metal hydride
514
NLX
new low-profile extended
515
NNTP
network news transfer protocol
516
NTFS
new technology file system
517
NTLDR
new technology loader
518
NTP
Network Time Protocol
519
OCR
optical character recognition
520
OEM
original equipment manufacturer
521
OLED
Organic Light Emitting Diode
522
OS
operating system
523
OWA
Outlook Web Access
524
PAN
personal area network
525
PATA
parallel advanced technology attachment
526
PC
personal computer
527
PCI
peripheral component interconnect
528
PCIe
peripheral component interconnect express
529
PCIX
peripheral component interconnect extended
530
PCL
printer control language
531
PCMCIA
Personal Computer Memory Card International Association
532
PDA
personal digital assistant
533
PGA
pin grid array
534
PGA2
pin grid array 2
535
PII
Personally Identifiable Information
536
PIN
personal identification number
537
PKI
public key infrastructure
538
PnP
plug and play
539
PoE
Power over Ethernet
540
POP3
post office protocol 3
541
PoS
Point of Sale
542
POST
power-on self test
543
POTS
plain old telephone service
544
PPP
point-to-point protocol
545
PPTP
point-to-point tunneling protocol
546
PRI
primary rate interface
547
PROM
programmable read-only memory
548
PS/2
personal system/2 connector
549
PSTN
public switched telephone network
550
PSU
power supply unit
551
PVC
permanent virtual circuit
552
PXE
preboot execution environment
553
QoS
quality of service
554
RAID
redundant array of independent (or inexpensive) discs
555
RAM
random access memory
556
RAS
remote access service
557
RDRAM R
AMBUS® dynamic random access memory
558
RDP
Remote Desktop Protocol
559
RF
radio frequency
560
RFI
radio frequency interference
561
RGB
red green blue
562
RIMM
RAMBUS® inline memory module
563
RIP
routing information protocol
564
RIS
remote installation service
565
RISC
reduced instruction set computer
566
RMA
returned materials authorization
567
ROM
read only memory
568
RS-232 or RS-232C
recommended standard 232
569
RTC
real-time clock
570
SAN
storage area network
571
SAS
Serial Attached SCSI
572
SATA
serial advanced technology attachment
573
SC
subscription channel
574
SCP
secure copy protection
575
SCSI
small computer system interface
576
SCSI ID
small computer system interface identifier
577
SD card
secure digital card
578
SDRAM
synchronous dynamic random access memory
579
SEC
single edge connector
580
SFC
system file checker
581
SFF
Small Form Factor
582
SGRAM
synchronous graphics random access memory
583
SIMM
single inline memory module
584
SLI
scalable link interface
585
S.M.A.R.T.
self-monitoring, analysis, and reporting technology
586
SMB
server message block or small to midsize business
587
SMTP
simple mail transfer protocol
588
SNMP
simple network management protocol
589
SoDIMM
small outline dual inline memory module
590
SOHO
small office/home office
591
SP
service pack
592
SP2
SP3
SP3
service pack 2
service pack 3
service pack 4
593
SPDIF
Sony-Philips digital interface format
594
SPGA
staggered pin grid array
595
SRAM
static random access memory
596
SDRAM
Synchronous dynamic random-access memory
597
SSH
secure shell
598
SSID
service set identifier
599
SSL
secure sockets layer
600
ST
straight tip
601
STP
shielded twisted pair
602
SVGA
super video graphics array
603
SXGA
super extended graphics array
604
TB
terabyte
605
TCP
transmission control protocol
606
TCP/IP
transmission control protocol/internet protocol
607
TDR
time domain reflectometer
608
TFTP
trivial file transfer protocol
609
TKIP
Temporal Key Integrity Protocol
610
TPM
trusted platform module
611
TSR
Terminate and stay resident
612
UAC
user account control
613
UART
universal asynchronous receiver transmitter
614
UDMA
ultra direct memory access
615
UDP
user datagram protocol
616
UNC
universal naming convention
617
UPS
uninterruptible power supply
618
URL
uniform resource locator
619
USB
universal serial bus
620
USMT
user state migration tool
621
UTP
unshielded twisted pair
622
UXGA
ultra extended graphics array
623
VESA
Video Electronics Standards Association
624
VFAT
virtual file allocation table
625
VGA
video graphics array
626
VM
Virtual Machine
627
VoIP
voice over internet protocol
628
VPN
virtual private network
629
VRAM
video random access memory
630
WAN
wide area network
631
WAP
wireless application protocol
632
WEP
wired equivalent privacy
633
WHRD
Windows hardware qualified driver
634
WIFI
wireless fidelity
635
WINS
windows internet name service
636
WLAN
wireless local area network
637
WOL
Wake on LAN
638
WPA
wireless protected access
639
WUXGA
wide ultra extended graphics array
640
XGA
extended graphics array
641
ZIF
zero-insertion-force
642
ZIP
zigzag inline package
643
NAS
Network-attached storage
644
CAPTCHA
Completely Automated Public Turing Test To Tell Computers and Humans
Apart
645
CCFL
Cold Cathode Fluorescent Lamp
646
CDFS
compact disc file system
647
CFS
Central File System, Common File System, Command File System
648
CIFS
Common Internet File System
649
CD
compact disc
650
CNR
Communications and Networking Riser
651
COMx
communication port (x=port number)
652
CRIMM
Continuity Rambus Inline Memory Mode
653
DAC
discretionary access control
654
DDOS
distributed denial of service
655
DDR
double data-rate
656
DDR RAM
double data-rate random access memory
657
DDR SDRAM
double data-rate synchronous dynamic random access memory
658
DFS
distributed file system
659
DIP
dual inline package
660
DLT
digital linear tape
661
EMI
electromagnetic interference
662
EPROM
erasable programmable read-only memory
663
SC
subscription channel
664
SCP
secure copy protection
665
SCSI
small computer system interface
666
SCSI ID
small computer system interface identifier
667
SEC
single edge connector
668
SFC
system file checker
669
SFF
Small Form Factor
670
SGRAM
synchronous graphics random access memory
671
SIMM
single inline memory module
672
SLI
scalable link interface or system level integration or scanline interleave mode
673
SMB
server message block or small to midsize business
674
SNMP
simple network management protocol
675
SoDIMM
small outline dual inline memory module
676
SPGA
staggered pin grid array
677
SRAM
static random access memory
678
SSH
secure shell
679
SSL
secure sockets layer
680
STP
shielded twisted pair
681
SXGA
super extended graphics array
682
TDR
time domain reflectometer
