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CompTIA A+ Core 1 220-1101/Acronyms/Part 4

Acronym study

220-1101 Acronyms — Part 4 of 7

Terms 91–120 of 189 220-1101 acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.

← Part 3Part 4 of 7Part 5 →

Term 91

Mutual Non-disclosure Agreement

A Mutual Non-disclosure Agreement is a legally binding contract between two parties where both agree to keep each other's confidential information private and not share it with outsiders.

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Term 92

NAS

NAS is a dedicated file-level storage device connected to a network, providing centralized data access to multiple clients.

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Term 93

Near-field Communication

Near-field Communication (NFC) is a short-range wireless technology that allows two devices to exchange data when they are touched or brought within a few centimeters of each other.

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Full Near-field Communication glossary entry →

Term 94

NetBIOS

NetBIOS is an API and protocol suite for legacy Windows network name resolution and session management over LANs.

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Term 95

Network Interface Card

A Network Interface Card (NIC) is a hardware component that allows a computer or device to connect to a network and communicate with other devices.

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Term 96

Network Time Protocol

Network Time Protocol (NTP) is a networking protocol that synchronizes the clocks of computers and devices over a network to a common reference time source, typically Coordinated Universal Time (UTC).

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Term 97

New Technology File System

New Technology File System (NTFS) is a modern file system developed by Microsoft that controls how data is stored, organized, and accessed on Windows-based hard drives and other storage devices.

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Term 98

Non-volatile Memory Express

Non-volatile Memory Express (NVMe) is a high-speed interface protocol that connects storage devices like SSDs directly to the CPU for much faster data transfer than older technologies like SATA.

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Term 99

One-time Password

A one-time password is a temporary, single-use code that authenticates a user for one login session or transaction.

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Term 100

Open Systems Interconnection

The Open Systems Interconnection (OSI) model is a conceptual framework used to understand how data travels from one computer to another across a network.

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Term 101

Operating system

An operating system (OS) is the core software that manages a computer's hardware and software resources, providing common services for computer programs.

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Term 102

Optical Network Terminal

An Optical Network Terminal (ONT) is a device that connects your home or office to the internet service provider's fiber optic network, converting light signals into electrical signals your devices can use.

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Full Optical Network Terminal glossary entry →

Term 103

Organic Light-emitting Diode

An Organic Light-emitting Diode (OLED) is a display technology that uses organic compounds to emit light when an electric current passes through them, enabling thin, flexible, and energy-efficient screens with high contrast.

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Full Organic Light-emitting Diode glossary entry →

Term 104

Original Equipment Manufacturer

An Original Equipment Manufacturer (OEM) is a company that produces hardware components or complete systems that are sold under another company's brand name.

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Term 105

Peripheral Component Interconnect

Peripheral Component Interconnect (PCI) is a standard slot and bus system inside a computer that allows you to connect expansion cards like network cards, sound cards, and graphics cards to the motherboard.

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Full Peripheral Component Interconnect glossary entry →

Term 106

Peripheral Component Interconnect Express

PCI Express (PCIe) is a high-speed expansion bus standard that connects internal hardware components like graphics cards, SSDs, and network adapters to a computer's motherboard.

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Full Peripheral Component Interconnect Express glossary entry →

Term 107

Personal Area Network

A Personal Area Network (PAN) is a small network that connects devices within a person's immediate workspace, typically within a range of about 10 meters.

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Term 108

Personal Computer

A personal computer is a general-purpose computing device designed for individual use, running operating systems like Windows, macOS, or Linux.

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Term 109

Personal Identification Number

A Personal Identification Number (PIN) is a short numeric code used to verify a user's identity before granting access to a system, device, or account.

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Term 110

Personal Identity Verification

Personal Identity Verification, or PIV, is a US federal government standard for using smart cards to securely verify a person's identity for access to physical and digital resources.

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Term 111

Platform as a Service

Platform as a Service (PaaS) is a cloud computing model that provides a complete platform for developing, running, and managing applications without the complexity of building and maintaining the underlying infrastructure.

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Full Platform as a Service glossary entry →

Term 112

Post Office Protocol

Post Office Protocol (POP) is a standard internet protocol used by email clients to retrieve email from a remote server and download it to the user's local device.

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Term 113

Potentially Unwanted Program

A Potentially Unwanted Program (PUP) is software that you did not intend to install and that can cause unwanted behavior on your system, such as showing excessive ads or slowing down performance.

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Term 114

Power supply unit

A power supply unit (PSU) is the hardware component that converts electricity from a wall outlet into usable power for a computer's internal components.

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Term 115

Power-on Self-test

The Power-on Self-test (POST) is a diagnostic process a computer runs immediately when you turn it on to check that essential hardware components are working correctly before loading the operating system.

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Full Power-on Self-test glossary entry →

Term 116

Printer Command Language

Printer Command Language is a set of instructions that tells a printer how to format and print a page, developed by Hewlett-Packard.

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Term 117

Privileged access management

Privileged access management is a cybersecurity practice that controls and monitors the elevated access rights of users who have special permissions to critical systems and data.

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Term 118

PXE

PXE is a client-server protocol that allows a computer to boot from a network interface card without a local storage device.

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Term 119

Radio Frequency Identification

Radio Frequency Identification (RFID) is a wireless technology that uses radio waves to automatically identify and track tags attached to objects, people, or animals without requiring direct line-of-sight.

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Term 120

RAM

RAM (Random-Access Memory) is volatile computer memory that temporarily stores data for quick access by the CPU.

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Full RAM glossary entry →
← Part 3Part 5 →

Acronym parts

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Study resources

All 220-1101 Acronyms→220-1101 Practice Tests→220-1101 Study Guide→Exam Domains→