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AAL | ATM Adaptation Layer |
ADSL | Asymmetric Digital Subscriber Line |
AES | Advanced Encryption Standard |
AM | Amplitude Modulation |
AMI | Alternate Mark Inversion |
ANS | American National Standard |
ANSI | American National Standard Institute |
API | Application Program Interface |
ARQ | Automatic Repeat Request |
ASCII | American Standard Code for Information Interchange |
ASK | Amplitude-Shift Keying |
ATM | Asynchronous Transfer Mode |
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BCNF | Boyce-Codd Normal Form |
B-ISDN | Broadband ISDN |
BOC | Bell Operating Company |
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CAD/CAM | Computer-Aided Design/ Computer-Aided Manufacturing |
CASE | Computer -Aided Software Engineering |
CBR | Constant Bit Rate |
CCITT | International Consultative Committee on Telegraphy and Telephony |
CD-ROM | Compact Disk-Read Only Memory |
CIR | Committed Information Rate |
CLEC | Competitive Local Exchange Carrier |
COBOL | Common Business Oriented Business Language |
CODASYL | Committee On Data System Languages |
COM | Component Object Model |
CRC | Cyclic Redundancy Check |
CRT | Cathode Ray Tube |
CSF | Critical Success Factor |
CSMA/CD | Carrier Sense Multiple Access with Collision Detection |
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DA | Data Administrator/Data Administration |
DBA | Database Administrator/Data Administration |
DBC | Database Computer |
DBD | Database Description |
DBMS | Database Management System |
DBS | Direct Broadcast Satellite |
DBTG | Data Base Task Group |
DB2 | Data Base2(IBM Relational DBMS) |
DCE | Data Circuit-Terminating Equipment |
DCL | Device Control Language |
DDL | Data Definition Language |
DDP | Distributed Data Processing |
DES | Data Encryption Standard |
DFD | Data Flow Diagram |
DK/NF | Domain-Key Normal Form |
DL/I | Data Language I (part of IMS) |
DML | Data Manipulation Language |
DNS | Domain Name System |
DOS | Disk Operating System |
DTE | Data Terminal Equipment |
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EAI | Enterprise Application Integration |
E-R | Entity-Relationship |
EER | Extended Entity-Relationship |
ERD | Entity-Relationship Diagram |
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FCC | Federal Communications Commission |
FCS | Frame Check Sequence |
FDDI | Fiber Distributed Data Interface |
FDM | Frequency-Division Multiplexing |
FM | Frequency Modulation |
FORTRAN | Formula Translator |
FSK | Frequency-Shift Keying |
FTP | File Transfer Protocol |
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GUI | Graphical User Interface |
|
HDAM | Hierarchical Direct Access Method |
HDLC | High-Level Data Link Control |
HIDAM | Hierarchical Indexed Direct Access Method |
HISAM | Hierarchical Indexed Sequential Access Method |
HSAM | Hierarchical Sequential Access Method |
HTML | Hypertext Markup Language |
|
IAB | Internet Architecture Board |
IBM | International Business Machines |
I-CASE | Integrated Computer-Aided Software Engineering |
ICMP | Internet Control Message Protocol |
ID | Identifier |
IDMS/R | Integrated Database Management System/Relational |
IDN | Integrated Digital Network |
IDS | Integrated Data System |
IEEE | Institute of Electrical and Electronics Engineers |
IETF | Internet Engineering Task Force |
IMS | Information Management System |
IP | Internet Protocol |
IPng | Internet Protocol-Next Generation |
IRA | International Reference Alphabet |
IRDS | Information Repository Dictionary System |
IRM | Information Resource Management |
IS | Information System |
ISA | Information System Architecture |
ISAM | Indexed Sequential Access Method |
ISDN | Integrated Services Digital Network |
ISO | International Standards Organization |
ISP | Internet Service Provider |
ITU | International Telecommunication Union |
ITU-T | ITU Telecommunication Standardization Sector |
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LAN | Local Area Network |
LAPB | Link Access Procedure-Balanced |
LAPD | Link Access Procedure on the D Channel |
LAPF | Link Access Procedure for Frame Mode Bearer Services |
LDB | Logical Database |
LDBR | Logical Database Record |
LLC | Logical Link Control |
|
MAC | Medium Access Control |
MAN | Metropolitan Area Network |
MB | Million Bytes |
MIME | Multipurpose Internet Mail Extension |
MIS | Management Information System |
M:1 | Many-to-One |
MPP | Massively Parallel Processing |
M:N | Many-to-Many |
|
NRZI | Nonreturn to Zero, Inverted |
NRZL | Nonreturn to Zero, Level |
NT | Network Termination |
|
ODBMS | Object Database Management System |
OLAP | On-Line Analytical Processing |
OLE | Object Linking and Embedding |
O-O | Object-Oriented |
OODM | Object-Oriented Data Model |
OSAM | Overflow Sequential Access Model |
OSI | Open Systems Interconnection |
OS/2 | Operating System/2 |
|
PAL | Paradox Application Language |
PBX | Private Branch Exchange |
PC | Personal Computer |
PCB | Program Communication Block |
PC-DBMS | Personal Computer Database Management System |
PCM | Pulse-Code Modulation |
PC-RDBMS | Personal Computer-Relational Database Management System |
PDBR | Physical Database Record |
PDU | Protocol Data Unit |
P.K. | Primary Key |
PSK | Phase-Shift Keying |
PTT | Postal, Telegraph and Telephone |
PM | Phase Modulation |
|
QBE | Query-by-Example |
QoS | Quality of Service |
QPSK | Quadrature Phase-Shift Keying |
|
RAID | Redundant Arrays of Inexpensive Disks |
RBOC | Regional Bell Operating Company |
RDMS | Relational Database Management System |
RF | Radio Frequency |
RSA | Rivest, Shamir, Adleman Algorithm |
|
SAM | Sequential Access Module |
SAN | Storage Area Network |
SAP | Service Access Point |
SDH | Synchronous Digital Hierarchy |
SDLC | Systems Development Life Cycle |
SDU | Service Data Unit |
SMDS | Switched Multimegabit Data Service |
SMP | Symmetric Multiprocessing |
SMTP | Simple Mail Transfer Protocol |
SONET | Synchronous Optical Network |
SQL | Structured Query Language |
SQL/DS | Structured Query Language/Data System |
STP | Shielded Twisted Pair |
|
TCP | Transmission Control Protocol |
TDM | Time-Division Multiplexing |
TE | Terminal Equipment |
|
UDF | User-Defined Function |
UDP | User Datagram Protocol |
UML | Unified Modeling Language |
UNI | User-Network Interface |
URI | Universal Resource Identifier |
URL | Uniform Resource Locator |
UTP | Unshielded Twisted Pair |
|
VAN | Value-Added Network |
VBA | Visual Basic for Applications |
VBR | Variable Bit Rate |
VCC | Virtual Channel Connection |
VPC | Virtual Path Connection |
VPN | Virtual Private Network |
VSAM | Virtual Storage Access Method |
|
WDM | Wavelength Division Multiplexing |
WWW | World Wide Web |
|
1:1 | One-to-One |
1:M | One-to-Many |
1NF | First Normal Form |
2NF | Second Normal Form |
3NF | Third Normal Form |
4NF | Fourth Normal Form |
5NF | Fifth Normal Form |
