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IB Glossary - M
IB Glossary letter M
Question | Answer |
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magnetic ink character recognition (MICR) | The identification of characters through the use of magnetic ink. See also the definition of "OCR". |
mainframe | A computer, usually in a computer center, with extensive capabilities and resources to which other computers may be connected so that they can share facilities. |
master file | A permanent file holding information that can be accessed and that is periodically updated by processing with a transaction file. |
memory address register (MAR) | Holds the address in memory of the instruction at present being executed. |
memory mapped I/O | See the definition for "DMA". |
menu | A display of a list of optional facilities that can be chosen by the user in order to carry out different functions in a system. |
method | 1. The behavior or operation of an object. 2. The procedure used by an object as specified within the object class. |
method signature | the number and types of arguments of a method. |
MICR | Magnetic Ink Character Recognition. |
microprocessor | An integrated circuit incorporating the main components of a central processor. These circuits are used for microcomputers and small devices controlled by computer. |
microwave transmission | A method of electronic communication that does not require cables. |
modem | An abbreviation for "modulator/demodulator": a piece of electronic equipment that converts digital signals from a computer into audio signals that are transmitted over telephone lines, and converts them back again. |
modular language | A language in which a complete program can be broken down into separate components (modules), each of which is some extent self-contained. |
modularity | One aspect of structured programming in which individual tasks are programmed as distinct sections or modules. One advantage is the ease with which individual sections can be modified without reference to other sections. |
module | A self-contained subset of a program. |
modulo arithmetic | Arithmetic that uses the integer result and integer remainder of division as two separate entities. |
multi-tasking | A mode of operation that provides for concurrent performance, or interleaved execution, of two or more tasks. |
multi-user system | A system that allows two or more people to use the services of a processor within a given period of time. |
multi-processing | The simultaneous execution of two or more computer programs or sequences of instruction by a computer (parallel processing). |