Software is a set of instructions that tells a computer how to operate. This is in contrast to hardware, which is the foundation upon which the system is constructed and which actually conducts the job. At the lowest programming level, executable code consists of machine language instructions supported by an individual processor—typically a central processing unit (CPU) or a graphics processing unit (GPU). Machine language […]
Copyleft is the practice of granting the right to freely distribute and modify intellectual property with the requirement that the same rights be preserved in derivative works created from that property. Copyleft in the form of licenses can be used to maintain copyright conditions for works ranging from computer software, to documents, art, scientific discoveries and even certain patents. Copyleft software licenses are considered protective or reciprocal in contrast with permissive free software licenses, and require
Proprietary software, also known as non-free software or closed-source software, is computer software for which the software’s publisher or another person reserves some rights from licenses to use, modify, share modifications, or share the software. It is the opposite of open-source or free software. Non-free software sometimes includes patent rights.
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A wiki is a hypertext publication collaboratively edited and managed by its own audience directly using a web browser. A typical wiki contains multiple pages for the subjects or scope of the project and could be either open to the public or limited to use within an organization for maintaining its internal knowledge base. ikis are enabled by wiki software, otherwise known as
Deleting the System32 folder on a Windows computer is not recommended, as it contains essential system files that are required for the operating system to function properly. Removing or modifying these files can cause serious problems, such as system instability, software errors, and even complete failure of the operating system. In short, deleting System32 could
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A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a “complete” computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for “full” operation. This term may also refer to a group of
In computing, a database is an organized collection of data stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. The database management system (DBMS) is the software that interacts with end users, applications, and the database itself to capture and analyze the data. The DBMS software additionally encompasses the core facilities provided to administer
The bitcoin network is a peer-to-peer payment network that operates on a cryptographic protocol. Users send and receive bitcoins, the units of currency, by broadcasting digitally signed messages to the network using bitcoin cryptocurrency wallet software. Transactions are recorded into a distributed, replicated public database known as the blockchain, with consensus achieved by a proof-of-work system called mining. Satoshi Nakamoto, the designer of bitcoin, claimed that design and coding of bitcoin began
Open-source software (OSS) is computer software that is distributed under a license that allows users to use, study, edit, and distribute the program and its source code to anyone and for any purpose. Open-source software may be created in a public, collaborative environment. Open-source software is a popular example of open collaboration, as any skilled
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Electrical engineering is an engineering discipline concerned with the study, design and application of equipment, devices and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electrical power generation, distribution and use. Electrical engineering is now divided into a wide range of
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