(4X) A CD-ROM drive that can read information four times as fast as a music CD. At least a double speed drive is needed for multimedia CD-ROMs, and quad speed is even better.
QuarkXpress
A page layout program from Quark, Inc., for Macintosh and Windows.
Q
1. A very high level language, implemented in C++. 2. Quadrature.
QA
Quality Assurance. Procedures taken to ensure that a company delivers products that conform to standards.
quality assurance
(QA). Procedures taken to ensure that a company delivers products that conform to standards.
QBASIC
The version of QuickBASIC that comes with DOS 5 and later versions. It replaces, and accepts programs written for, Microsoft's GW-BASIC.
QuickBASIC
A fast compiler of BASIC under MS-DOS; later known as MS-BASIC. Developed by Microsoft, it adds some advanced features to BASIC. A version of QuickBASIC called QBASIC, which does not produce standalone executables, is provided with later versions of MS-DOS.
Query By Example
(QBE). A user-friendly way of querying a database that was originally developed by IBM for use with mainframes, and later adopted by many other systems. With Query By Example, an empty record is displayed and the user types in the search keys; for example, typing "New York" in the "city" field will return all records where the city is New York.
QBE
Query By Example. A user-friendly way of querying a database that was originally developed by IBM for use with mainframes, and later adopted by many other systems. With Query By Example, an empty record is displayed and the user types in the search keys; for example, typing "New York" in the "city" field will return all records where the city is New York.
QEMM
Quarterdeck Expanded Memory Manager. A DOS and Windows memory manager from Quarterdeck Office Systems, Santa Monica, California; used for IBM PCs with an Intel 80386 or higher processor.
Explanation : A hierarchy of protocols which work together to provide the services on a communications network. The OSI seven-layer model, SNA, and TCP/IP are examples.
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