📘 Computer Glossary (M–O)
M
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Machine Learning: A type of AI where systems learn from data patterns.
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Macro: A set of commands that automate repetitive tasks.
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Malware: Malicious software designed to harm or exploit devices.
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MAN (Metropolitan Area Network): A network covering a city or large campus.
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Markdown: A lightweight markup language for formatting text.
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Megabyte (MB): A unit of data equal to about 1 million bytes.
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Memory: Temporary or permanent storage used by a computer.
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Metadata: Data that describes other data.
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Microprocessor: A compact CPU on a single chip.
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Middleware: Software that connects different applications or systems.
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MIME (Multipurpose Internet Mail Extensions): A standard for sending files via email.
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Mirror Site: A copy of a website stored on another server.
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Modem: A device that connects a computer to the internet.
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Module: A self-contained unit of software or hardware.
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Motherboard: The main circuit board of a computer.
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Mounting: Making a storage device accessible by the operating system.
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MP3 (MPEG Audio Layer-3): A compressed audio file format.
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Multicast: Transmitting data to multiple recipients at once.
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Multitasking: Running multiple applications at the same time.
N
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Nanotechnology: Technology at the molecular or atomic scale.
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NAS (Network Attached Storage): A storage device connected to a network.
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Namespace: A container that holds identifiers to avoid conflicts in programming.
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Native App: A mobile app built for a specific operating system.
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NAT (Network Address Translation): A method of modifying network address information.
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Netbook: A small, lightweight laptop designed for basic tasks.
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Net Neutrality: The principle that all internet traffic should be treated equally.
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Network: A group of interconnected computers and devices.
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NIC (Network Interface Card): A hardware component that connects a computer to a network.
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Node: Any device connected to a network.
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Noise: Unwanted interference in data transmission.
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Notebook: Another term for a laptop computer.
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NTFS (New Technology File System): A file system used by Windows.
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NVRAM (Non-Volatile RAM): Memory that retains data even without power.
O
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Object-Oriented Programming (OOP): A programming model based on objects and classes.
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OCR (Optical Character Recognition): Technology that converts scanned images into text.
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OEM (Original Equipment Manufacturer): A company that produces parts for other brands.
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Offline: When a device is not connected to a network.
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Open Source: Software with publicly available source code.
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Operating System (OS): Software that manages hardware and software resources.
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Optical Drive: A device that reads and writes CDs, DVDs, or Blu-rays.
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Optimizer: Software that improves system performance.
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Overclocking: Running a CPU or GPU faster than its official speed.
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Overlay Network: A virtual network built on top of another network.
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Online: When a device is connected to the internet or a network.
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On-Premises: Software or hardware installed and run locally, not in the cloud.
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OpenGL (Open Graphics Library): A cross-platform API for rendering graphics.
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Output Device: Hardware that displays or outputs data (e.g., monitor, printer).
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Outsourcing: Hiring external companies to manage IT or services.