Power managementPower management is a feature of some electrical appliances, especially copiers, computers, computer CPUs, computer GPUs and computer peripherals such as monitors and printers, that turns off the power or switches the system to a low-power state when inactive. In computing this is known as PC power management and is built around a standard called ACPI, this supersedes APM. All recent computers have ACPI support.
Instruction pipeliningIn computer engineering, instruction pipelining is a technique for implementing instruction-level parallelism within a single processor. Pipelining attempts to keep every part of the processor busy with some instruction by dividing incoming instructions into a series of sequential steps (the eponymous "pipeline") performed by different processor units with different parts of instructions processed in parallel. In a pipelined computer, instructions flow through the central processing unit (CPU) in stages.
Translation lookaside bufferA translation lookaside buffer (TLB) is a memory cache that stores the recent translations of virtual memory to physical memory. It is used to reduce the time taken to access a user memory location. It can be called an address-translation cache. It is a part of the chip's memory-management unit (MMU). A TLB may reside between the CPU and the CPU cache, between CPU cache and the main memory or between the different levels of the multi-level cache.
Apollo Guidance ComputerThe Apollo Guidance Computer (AGC) was a digital computer produced for the Apollo program that was installed on board each Apollo command module (CM) and Apollo Lunar Module (LM). The AGC provided computation and electronic interfaces for guidance, navigation, and control of the spacecraft. The AGC was the first computer based on silicon integrated circuits. The computer's performance was comparable to the first generation of home computers from the late 1970s, such as the Apple II, TRS-80, and Commodore PET.
Commercial softwareCommercial software, or seldom payware, is a computer software that is produced for sale or that serves commercial purposes. Commercial software can be proprietary software or free and open-source software. While software creation by programming is a time and labor-intensive process, comparable to the creation of physical goods, the reproduction, duplication and sharing of software as digital goods is in comparison disproportionately easy. No special machines or expensive additional resources are required, unlike almost all physical goods and products.
P-code machineIn computer programming, a p-code machine (portable code machine) is a virtual machine designed to execute p-code (the assembly language or machine code of a hypothetical central processing unit (CPU)). This term is applied both generically to all such machines (such as the Java virtual machine (JVM) and MATLAB precompiled code), and to specific implementations, the most famous being the p-Machine of the Pascal-P system, particularly the UCSD Pascal implementation, among whose developers, the p in p-code was construed to mean pseudo more often than portable, thus pseudo-code meaning instructions for a pseudo-machine.
ThreadXAzure RTOS ThreadX is a highly deterministic, embedded real-time operating system (RTOS) programmed mostly in the language C. ThreadX was originally developed and marketed by Express Logic of San Diego, California, United States. The author of ThreadX (and the original author of the Nucleus RTOS in 1990) is William Lamie, who was also President and CEO of Express Logic. Express Logic was purchased for an undisclosed sum by Microsoft on April 18, 2019.
Security IdentifierIn the context of the Microsoft Windows NT line of operating systems, a Security Identifier (SID) is a unique, immutable identifier of a user, user group, or other security principal. A security principal has a single SID for life (in a given domain), and all properties of the principal, including its name, are associated with the SID. This design allows a principal to be renamed (for example, from "Jane Smith" to "Jane Jones") without affecting the security attributes of objects that refer to the principal.
WarezWarez is a common computing and broader cultural term referring to pirated software (i.e. illegally copied, often after deactivation of anti-piracy measures) that is distributed via the Internet. Warez is used most commonly as a noun, a plural form of ware (short for computer software), and is intended to be pronounced like the word wares ˈwɛərz. The circumvention of copy protection (cracking) is an essential step in generating warez, and based on this common mechanism, the software-focused definition has been extended to include other copyright-protected materials, including movies and games.
Counterfeit consumer goodsCounterfeit consumer goods (or counterfeit and fraudulent, suspect items - CFSI) are goods, often of inferior quality, made or sold under another's brand name without the brand owner's authorization. Sellers of such goods may infringe on either the trademark, patent or copyright of the brand owner by passing off its goods as made by the brand owner. Counterfeit products made up 5 to 7% of world trade in 2013, and in 2014 cost an estimated 2.5 million jobs worldwide, with up to 750,000 jobs lost in the U.S.
