Computer Glossary (M–O)

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📘 Computer Glossary (M–O)

M

  • Machine Learning: A type of AI where systems learn from data patterns.

  • Macro: A set of commands that automate repetitive tasks.

  • Malware: Malicious software designed to harm or exploit devices.

  • MAN (Metropolitan Area Network): A network covering a city or large campus.

  • Markdown: A lightweight markup language for formatting text.

  • Megabyte (MB): A unit of data equal to about 1 million bytes.

  • Memory: Temporary or permanent storage used by a computer.

  • Metadata: Data that describes other data.

  • Microprocessor: A compact CPU on a single chip.

  • Middleware: Software that connects different applications or systems.

  • MIME (Multipurpose Internet Mail Extensions): A standard for sending files via email.

  • Mirror Site: A copy of a website stored on another server.

  • Modem: A device that connects a computer to the internet.

  • Module: A self-contained unit of software or hardware.

  • Motherboard: The main circuit board of a computer.

  • Mounting: Making a storage device accessible by the operating system.

  • MP3 (MPEG Audio Layer-3): A compressed audio file format.

  • Multicast: Transmitting data to multiple recipients at once.

  • Multitasking: Running multiple applications at the same time.

N

  • Nanotechnology: Technology at the molecular or atomic scale.

  • NAS (Network Attached Storage): A storage device connected to a network.

  • Namespace: A container that holds identifiers to avoid conflicts in programming.

  • Native App: A mobile app built for a specific operating system.

  • NAT (Network Address Translation): A method of modifying network address information.

  • Netbook: A small, lightweight laptop designed for basic tasks.

  • Net Neutrality: The principle that all internet traffic should be treated equally.

  • Network: A group of interconnected computers and devices.

  • NIC (Network Interface Card): A hardware component that connects a computer to a network.

  • Node: Any device connected to a network.

  • Noise: Unwanted interference in data transmission.

  • Notebook: Another term for a laptop computer.

  • NTFS (New Technology File System): A file system used by Windows.

  • NVRAM (Non-Volatile RAM): Memory that retains data even without power.

O

  • Object-Oriented Programming (OOP): A programming model based on objects and classes.

  • OCR (Optical Character Recognition): Technology that converts scanned images into text.

  • OEM (Original Equipment Manufacturer): A company that produces parts for other brands.

  • Offline: When a device is not connected to a network.

  • Open Source: Software with publicly available source code.

  • Operating System (OS): Software that manages hardware and software resources.

  • Optical Drive: A device that reads and writes CDs, DVDs, or Blu-rays.

  • Optimizer: Software that improves system performance.

  • Overclocking: Running a CPU or GPU faster than its official speed.

  • Overlay Network: A virtual network built on top of another network.

  • Online: When a device is connected to the internet or a network.

  • On-Premises: Software or hardware installed and run locally, not in the cloud.

  • OpenGL (Open Graphics Library): A cross-platform API for rendering graphics.

  • Output Device: Hardware that displays or outputs data (e.g., monitor, printer).

  • Outsourcing: Hiring external companies to manage IT or services.