Technology

Link Cable (Game Boy handheld multiplayer and data cable) Link Cable A wired peripheral for Nintendo Game Boy systems that enables direct serial communication between handhelds for multiplayer gaming, trading data and device-to-device features.

Linspire — a commercial, user-focused desktop Linux distribution Linspire Linspire is a commercial Linux distribution, originally called Lindows, known for ease of use, one-click software installation via Click-N-Run, bundled multimedia support and an ea…

Linux kernel: overview, architecture, history and uses Linux kernel Concise guide to the Linux kernel: what it is, its main components, development model, history, common uses, and how it differs from other kernels.

Linux Mint Linux Mint is a popular user-oriented Linux distribution based on Ubuntu or Debian, focused on a traditional desktop experience, ease of use, and bundled tools for everyday computi…

Linux Security Modules (LSM): kernel security hook framework Linux Security Modules Overview of the Linux Security Modules framework: purpose, architecture, common implementations, history, uses, and how LSM enables kernel-level security policies.

LinuxLive USB Creator — creating bootable Live USBs from Windows LinuxLive USB Creator LinuxLive USB Creator (LiLi) is a Windows utility that builds bootable Live USB drives for many Linux distributions, with options for persistence, stepwise GUI, and a few convenien…

Liquid crystal display (LCD): structure, operation, history and uses Liquid crystal display An overview of liquid crystal displays: how they work, main components, historical development, typical applications and distinctions from other flat-panel technologies.

Lisp (programming language) Lisp is a family of programming languages known for symbolic expression syntax, homoiconicity (code-as-data), powerful macros, and lasting influence on AI, language design, and met…

List of BitTorrent clients Overview and catalogue of popular BitTorrent client software: how clients work, history, notable examples, typical features, and distinctions among implementations.

List of Internet Relay Chat (IRC) commands List of Internet Relay Chat commands Overview and reference for standard IRC commands (RFC 1459, RFC 2812): syntax conventions, common commands with examples, history, and usage notes for clients and servers.

List of Linux distributions and how they differ List of Linux distributions Overview of Linux distributions: what a distribution is, core components, history, common examples, use cases, and how distributions differ (package systems, release models, target…

List of operating systems Overview and organized guide to major types and families of computer operating systems, their components, history, uses, and key distinctions between open and proprietary systems.

Programming languages: overview and categorized list List of programming languages Organized overview of programming languages, covering classifications, history, common uses, paradigms, and notable examples across general-purpose, domain-specific, and esoteric l…

Tools for Creating Live USB Systems: Overview and Guide List of tools to create Live USB systems Catalog of popular utilities and methods for making bootable Live USB drives on Windows, Linux and macOS, with notes on persistence, UEFI/BIOS compatibility, file systems and multi…

Video Game Genres: Classification, History, and Notable Types List of video game genres Overview and classification of video game genres, explaining major categories, common subgenres and hybrids, history of development, uses, and why genre boundaries can be fluid.

Computer vocabulary: common terms and categories List of words about computers Concise reference to widely used computer-related words, grouped by category with brief definitions, usage notes and learning tips for students and general readers.

Lithium battery (coin cell): overview, types, uses, and safety Lithium battery Primary lithium coin batteries: composition, typical sizes and codes, common applications (watches, sensors), differences from rechargeable lithium-ion cells, safety risks, and dis…

Lithium-ion battery: design, operation, uses, and safety Lithium-ion battery Rechargeable electrochemical cell widely used in portable electronics and EVs. Explains structure, how it works, history, advantages, typical applications, performance, safety conc…

Live USB A Live USB is a bootable USB flash drive that contains a complete operating system. It runs without installation, can offer persistent storage, and is used for testing, recovery, p…

Live USB system creator Tool for making bootable USB drives from an active Ubuntu live session or ISO, often with optional persistent storage. Explains purpose, workflow, options, and key differences from…

Lock (security device): types, history, and uses Lock Mechanical or electronic device that restricts access to doors, containers, or mechanisms; covers common types, components, history, uses, and security considerations.

Lock picking: techniques, history, and practical uses Lock picking Overview of lock picking — how mechanical locks work, common tools and techniques, historical development, legitimate uses, legal and ethical issues, and measures that resist picki…

Logic gate A logic gate is a basic digital component that performs Boolean operations on binary inputs. This article explains types, implementation, history, common uses, and important proper…

Logical disk: abstraction of storage in computing Logical disk A logical disk is an abstracted storage unit presented to an operating system or application. It can be built from partitions, logical volumes, RAID arrays, SANs, RAM, or virtual d…

Logical volume management Logical volume management (LVM) is block-level storage virtualization that pools physical disks into flexible logical volumes, enabling online resizing, snapshots, striping, mirror…

Logo (programming language) Logo is an educational programming language, created in the late 1960s to teach programming and mathematical thinking; it is known for turtle graphics and list-processing features.

Lookup table (computing) Lookup table A lookup table is a data structure that stores precomputed values for fast retrieval, trading memory for reduced computation time. Common in algorithms, graphics, cryptography and…

Loom (weaving machine and textile tool) Loom An overview of looms: devices that interlace warp and weft to make cloth, covering structure, main types from hand to power looms, historical development, cultural practices, and c…

Loudspeaker A loudspeaker converts electrical audio signals into sound. This article explains its components, types, history, typical uses, and practical distinctions like active vs passive de…

Low-level programming language A programming language whose instructions map closely to hardware operations, offering fine-grained control, high performance, and platform-specific behavior used in kernels, drive…

Low-pass filter: definition, types and applications Low-pass filter A low-pass filter passes signal components below a cutoff frequency and attenuates higher ones. Covers principles, common implementations (RC, active, digital), uses in audio, sens…

Lowrey organ: history, design, and cultural impact Lowrey organ An overview of the Lowrey organ: its origins, design features, major models, and role in homes, churches and popular music from the mid-20th century onward.

Mac App Store Apple's digital storefront for macOS applications, offering discovery, purchase, download, and updates for apps while enforcing review and distribution policies for developers and…

Mac mini Compact desktop computer from Apple introduced in 2005. Small form factor, sold without bundled display or input devices, and available in Intel and Apple Silicon (M1) generations…

Mac OS — Apple's operating system for Macintosh computers Mac OS Mac OS (now macOS) is the family of operating systems created by Apple for Macintosh computers, known for its graphical user interface, Unix foundations, and close integration with…

Mac OS X Leopard (version 10.5) — overview, features, and legacy Mac OS X Leopard Mac OS X 10.5 Leopard, released in late October 2007, was Apple’s major update introducing new user features, developer technologies, and the final PowerPC-compatible Mac OS X rele…

Mac OS X Lion (10.7): overview, features and legacy Mac OS X Lion Mac OS X Lion (10.7) is Apple’s eighth major Mac OS release (2011). It introduced iOS-inspired features—Launchpad, Mission Control, full‑screen apps, Auto Save—and was distributed…

Mac OS X Public Beta (Kodiak) Mac OS X Public Beta Early public preview of Apple’s modern Mac OS X, released in late 2000 to introduce the Aqua interface and gather user feedback ahead of the 10.0 release.

Mac OS X Tiger (10.4): overview, features, and legacy Mac OS X Tiger Mac OS X Tiger (version 10.4) is Apple’s fifth major Mac OS X release, introduced April 29, 2005. It added Spotlight search, Dashboard widgets, Automator and important graphics and…

Mac Pro — Apple’s high-end professional workstation computer Mac Pro Mac Pro is Apple’s modular, high-performance workstation line for professional workflows. It has evolved from Intel Xeon-based towers to Apple silicon designs, prioritizing expanda…

MacBook — Apple's laptop family MacBook MacBook is Apple’s line of portable computers running macOS. Known for aluminum unibody cases, built-in cameras and microphones, long battery life, and a lineup that includes MacBo…

MacBook (2015–2019): the 12‑inch Retina MacBook MacBook (2015–2019) Overview of Apple’s 12-inch Retina MacBook (2015–2019): design, components, history, uses and legacy as a thin, fanless ultraportable laptop.

MacBook Air Lightweight laptop in Apple’s MacBook line, introduced in 2008. Known for thin aluminum unibody design, portability, and later transitions to Retina displays and Apple Silicon.

MacBook Pro Apple's MacBook Pro is a line of high-performance laptops featuring macOS, aluminum unibody designs, multiple display sizes, and professional-oriented hardware for creative and tec…

MacGuffin (cipher): an experimental unbalanced Feistel block cipher MacGuffin (cipher) MacGuffin is a 1994 experimental block cipher by Bruce Schneier and Matt Blaze that explored Generalized Unbalanced Feistel Networks; it was designed for analysis and was broken qu…

Machine An object or system created to perform work more efficiently by changing forces or energy; covers simple devices, complex mechanisms, and modern electronic systems.

Machine code (machine language) Machine code Machine code is the lowest-level program representation: binary instructions the CPU executes directly, formed from opcodes and operands defined by an architecture's instruction se…

Machine Learning Methods and Applications: Algorithms, Risks, and Model Evaluation Machine learning Overview of machine learning methods, common algorithms and applications, model evaluation techniques, and risks like bias, robustness and interpretability — best practices for mit…