Glossary - Software
* not in alphabetical order, to find a term goto "FIND on this page in menu bar"
MAPI   messaging application programming in­terface
An API de­veloped by Microsoft and other computer vendors that provides Windows applications with an implementation-independent inter­face to various messaging systems such as Mi­crosoft Mail, Novell's MHS, and IBM's PROFS  A subset of MAPI known as Simple MAPIlets developers easily create "mail-aware" appli­cations capable of exchanging messages and data files with other network clients.
OS   Operating system
The program that manages the resources of a computer, such as the input/output devices, the memory and the storage and retrieval of files.
OS/2   Operating System 2
The operating system introduced with the IBM PS/2 series of computers, and also available from IBM to run on other PC-compatibles
OSF
Supported by computer companies such as DEC and IBM, the OSF produces software to run under the Unix operating system.
OSI    Open systems interconnection
An internationally agreed standard which defines a system of interconnection whereby different computers or devices may communicate. OSI covers seven areas from the hardware specification to the information itself 
PC DOS    Personal computer disk operating system
IBM's version of Microsoft's MSDos
GUI
Graphical User Interface
Multitasking
Multitasking is an operating sys­tem feature that allows several programs to appear to be oper­ating at the same time. Actually a scheduling program periodi­cally switches between the two or more programs, giving each a measured portion of time (time slice) to use the CPU.
DDE   Dynamic Data Exchange
A mechanism used in Windows to transfer data between two applications or two separate instances of the same application. Windows itself uses DDE for a variety of purposes, from opening documents in running applications when a document icon is double-clicked in the shell to obtaining program icons for DOS applica­tions. DDE is also used to support OLE
Macro
A macro is a stored set of com­mands or instructions invoked by a single command or instruction. One example is a keyboard macro. If you discover a sequence of keystrokes that are used over and over, a macro can be created which contains those keystrokes. It can then be invoked later, of­ten with a single keystroke, to save time and possible errors. As another example, a spreadsheet. macro is a set of instructions written into the worksheet that, upon execution, performs a se­ries of spreadsheet operations in a previously specified order. The steps necessary to copy the val­ues in one row to another row could be stored in a macro, then executed with a single keystroke.
ASCII    American Standard Code for Information Interchange
A stan­dard developed by the American National Standards Institute (ANSI) describing how characters can be represented on a computer. The ASCII character set consists of 128 char­acters numbered from 0 to 127 and includes numerals, punctuation symbols, letters, and special control codes such as end-of-line char­acters. The letter A, for example, is repre­sented by the number 65.
AIX    advanced Interactive eXecutive
IBM's version of Unix. AIX's power and flexibility has won it many friends all over the Unix world.
MCL    Microsoft Compatibility Labs
Staff here check for compatibility between any Microsoft applications or operating systems and third-party software, and then introduce incompatibility to keep a competitive advantage
DLL    dynamic link library
A special type of Windows program containing functions that other programs can call, resources (such as icons) that other programs can use, or both. Unlike a standard programming library, whose functions are linked into an applica­tion when the application's code is compiled, an application that uses functions in a DLL links with those functions at runtime
DDE    Dynamic Data Exchange
A mechanism used in Windows to transfer data between two applications or two separate instances of the same application. Windows itself uses DDE for a variety of purposes, from opening documents in running applications when a document icon is double-clicked in the shell to obtaining program icons for DOS applica­tions. DDE is also used to support OLE
Diagrams
Central Processing Units
Video and Display
General Hardware
Memory and Storage
Software
Audio
Communications
Programming
   


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