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Macro
A macro is a series of instructions designed to simplify repetitive tasks within a program such...
Macro virus
A macro virus is a malicious macro. Macro viruses are written in a macro programming language and...
Mail bomb
A mail bomb is an excessively large email (typically many thousands of messages) or one large...
Maintenance pack
A patch provides additional, revised or updated code for an operating system or application....
Malicious code
Malicious code is a piece of code designed to damage a system and the data it contains, or to...
Malware
Malware is a generic term used to describe malicious software such as viruses, Trojan horses,...
Mapped drives
Mapped drives are network drives assigned local drive letters that are locally accessible. For...
Master boot record
The master boot record (MBR) is the 340-byte program located in the master boot sector. This...
Master boot sector
The master boot sector is the first sector of a hard disk. This sector is located at sector 1,...
Master boot sector virus
Master boot-sector viruses infect the master boot sector of hard disks, though they spread...
MBR
See: Master boot record.
Megabit
Is a unit of measurement for both data storage and data transfer.  For storage it equates to...
MegaByte
Is a unit of measurement for both data storage and data transfer.  For storage it equates to...
Megahertz
Is used to express the amount in millions of cycles per second a CPU can process.  The...
Memory Board
Memory Boards are modules that you insert onto a computer motherboard.  These modules...
Memory Dump
When the contents of section of your computer's memory is written to your disk in an...
Memory-resident virus
A memory-resident virus stays in memory after it executes, and it infects other files when...
Message Board
A Message Board is a place where people from all over the world can post messages that other...
MP3 File
MP3 files are Moving Picture Experts Group Audio Layer 3 files. They are highly compressed audio...
MPEG
MPEG stands for "Moving Picture Experts Group." The MPEG organization develops standards for...
MS-DOS
MS-DOS is the Microsoft Disk Operating System. Microsoft developed this operating system for the...
MUI
MUI is an acronym that means Mulilingual User Interface. It enables a multilingual user to...
Multidropper
A multidropper is a program created by someone with the sole purpose of installing other hidden...
Multipartite virus
Multipartite viruses use a combination of techniques including infecting documents, executables...
Mutant
See: variant.
Mutating virus
A mutating virus changes, or mutates, as it progresses through its host files making disinfection...
MYOB
Is computer slang for "Mind Your Own Business".

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