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Concurrency (computer science)

In concurrent computing, multiple calculations are made within overlapping time frames. It takes advantage of the concept that multiple threads or processes can make progress on a task asynchronously. This general approach to writing and executin ...

Cybercrime

Cybercrime is crime that uses a computer and computer network. There are many types of cybercrimes. These include doxxing, hacking, copyright issues, cyberterrorism and fraud. Many countries have laws against many types of porn such as twincest, ...

Cyclic redundancy check

A Cyclic redundancy check is a way to calculate a checksum, based on a polynomial. In computer science, CRCs are used to check that no errors occurred transmitting the data. The transmitted messages are divided into predetermined lengths which, u ...

Defragmentation

When file systems store a file, they usually try to store the whole file in one part. When the disk drive fills up, finding an empty space that is large enough becomes more difficult. In such a case, the file systems will split the file into part ...

Device file

In some operating systems, a device file or special file is a file on the file system that can be used to access and control devices, such as printers or scanners. This is common on UNIX-like operating systems such as Linux.

Direct memory access

Direct memory access is a technology used in Computers and microprocessors. With it, certain hardware components can use parts of the main memory for their applications, without the need to ask the CPU. The CPU will request data from memory once ...

Disk image

A disk image is a single computer file containing the complete contents of a device that contains data, such as a hard drive, tape drives, floppy disk, CD, DVD, BD, and key drive. A disk image file or simply a disk image is an exact binary copy o ...

Disk read/write head

When writing data to the disk, the data needs to be written to a certain position on the disk. This is done by a component called disk read/write head.

Domain name registrar

A company designed to provide domain registration service to other companies or individuals that would like to own a particular web address. The party seeking to register the site will usually pay the domain name registrar a flat or monthly fee t ...

Doxing

Doxing is the process of finding out, digging for or uncovering personal information on a person, group, organization or corporate entity, compiling it in an organized format and posting it online. The end result of doxing is a dox. Doxes are oft ...

Electronic signature

An electronic signature is an electronic record of an agreement. Contracts have been used for a long time to show that two parties agree on something. Often these parties will then write a document that they both sign to show this agreement. In t ...

ESC/P

ESC/P is a printer control language developed by Epson. The language was popular with dot-matrix printers. It uses escape codes, a command starts with the escape character. As an example, ESC E will switch on bold, and ESC F will switch it off. T ...

Exit (system call)

exit in computing means to terminate a task or program. On many computer operating systems, a process is stopped by making a system call, called exit. An exit in a multithreading environment means that a thread of execution has stopped running. T ...

FightAIDS@home

The FightAIDS Home project uses the technique of distributed computing to find a way to eradicate the HIV. FightAIDS Home has been running since 2002 and joined World Community Grid on 21 November 2005. The project uses the World Community Grid d ...

Folding@home

Folding Home is a distributed computing project that helps doctors at Stanford University learn about and cure diseases. When parts of the human body do not work right, they make people sick. Folding Home looks at the parts called proteins. When ...

Fragmentation (computer)

Fragmentation is the name given to a phenomenon that can be observed when a partition or logical volume is used over a longer period of time. In general, such a volume has a common file system. When data is written, the file system will try to ke ...

Glitch

A glitch is something that goes wrong in a computer system, usually in games. This is also sometimes called a "bug". Sometimes when a glitch happens on a computer, a message appears, telling the user that something went wrong.

GNU Octave

GNU Octave is an open source programming language for numerical analysis. This language is mostly compatible with MATLAB.

Grid computing

Grid computing is a form of distributed computing whereby a "virtual supercomputer" is made up of a group of networked, loosely coupled computers, working together to perform very large tasks. It is different from cluster computing, where the com ...

Hacker

A hacker originally meant someone who likes to do new things with computers. Now hacker is used to mean "someone who tries to get into another persons computer using computer software such as Trojan horse programs, computer viruses, and worms tha ...

Haptic technology

Haptic technology or haptics is a tactile feedback technology. It makes vibrations and movements which can make people think that there is a real object when there is not. They are used to look into the sense of touch. Some video games use this t ...

Hard copy and soft copy

The words hard copy and soft copy are about pages of words and pictures either recorded onto printed paper or in soft-copy form as shown and spoken in telephone or computer machine forms. Sometimes, a recording on a compact disc can be considered ...

Hibernate (OS feature)

Hibernation is a technology used in certain operating systems. It allows to save the contents of the system memory onto a hard disk or other permanent storage. The computer can then be powered off. When it is powered up again, this information ca ...

Herman Hollerith

Herman Hollerith was an American statistician and inventor. He developed a mechanical tabulator based on punched cards. This tabulated the data from millions of people. He was the founder of the Tabulating Machine Company that later became IBM. H ...

Interrupt

An interrupt is when a microprocessor does something that it is not told to do because of things that happen outside what the program is supposed to do. Interrupts happen most often because the processor gets a signal from hardware, but they can ...

Jargon File

The Jargon File is a glossary and usage dictionary of slang used by computer programmers. The original Jargon File was a collection of terms from technical cultures such as the MIT AI Lab, the Stanford AI Lab and others of the old ARPANET AI/LISP ...

Logical disk

A logical disk is a concept from computing. Logical disks provide a certain amount of space to store data. Unlike real hard disks that can be touched, logical disks can take this storage space from different locations. Common locations where this ...

MathWorks

MathWorks is also known for their simulation-related products. The most famous one is Simulink. It is very popular as same as MATLAB. There is also SimEvents and Stateflow. SimEvents was made to simulate physical or dynamical events. On the other ...

Moores law

Moores law is that the number of transistors on integrated circuits doubles about every two years. Intel executive David House said the period was "18 months". He predicted that period for a doubling in chip performance: a combination of the effe ...

MU*

MU* refers to a family of text-based online game servers: MUSH TinyMUD MOO and other related types TinyMUCK These are also called the Tiny family. These are kinds of MUD.

Multi-user

Multi-user is a term that defines an operating system, computer program, or a game that allows use by more than one users of the same computer at the same time. An example is a Unix server where multiple remote users have access such as via Secur ...

The National Museum of Computing

The National Museum of Computing is a museum in the United Kingdom dedicated to collecting and restoring old computer systems. The museum is based at Bletchley Park in Milton Keynes, Buckinghamshire. It opened in 2007. The building - Block H - wa ...

Nondeterminism

In computer science, a nondeterministic algorithm is an algorithm that does not give the same result each time it is used. Even for the same input, it may show different behaviors on different runs. This may be contrasted with a deterministic alg ...

Numerical integration

Numerical integration is the term used for a number of methods to find an approximation for an integral. Numerical integration has also been called quadrature. Very often, it is not possible to solve integration analytically, for example when the ...

Off-site data protection

In computing, off-site data protection, or vaulting, is the strategy of sending critical data off the main site. The place where the data is stored is often called the data vault. In many organisations, there is some data which is so important th ...

Open proxy

An open proxy is a proxy server which any Internet user can use. Generally, a proxy server allows users within a network group to store and forward Internet services such as DNS or web pages, so that not as much bandwidth is used and it is more c ...

P versus NP

P versus NP is the following question of interest to people working with computers and in mathematics: Can every solved problem whose answer can be checked quickly by a computer also be quickly solved by a computer? P and NP are the two types of ...

Portable application

A portable application is a computer program the application does not need to be installed on the computers local storage in order to be run. These types of programs can also be carried on a USB flash drive, or external hard drive.

Portable application creators

No agent / client is required for these also called "agentless" solutions: Xenocode Virtual Application Studio ISV Edition Ceedo using Argo Application installer CDE Linux VMware ThinApp LANDesk Application Virtualization InstallFree

Power over Ethernet

Power over Ethernet is a technology that allows to supply electricity over standard Ethernet cables. This is useful in many ways, as it allows to only have one cable to both provide the computer network and electricity to a device. It can be used ...

Preview

A preview is a small piece of something used to show what the whole is like before it is generally available. Typically, previews exist for movies and possibly video games. They usually are a small portion of video showing what the game or movie ...

Printer Command Language

The Printer Command Language is a page description language, developed by Hewlett-Packard. As of 2011, most modern printers understand PCL. Its complexity is between pure ASCII text, such as in ESC-P, and for example Postscript. There are differe ...

Python (programming language)

Python is an open source programming language that was made to be easy-to-read and powerful. A Dutch programmer named Guido van Rossum made Python in 1991. He named it after the television show Monty Pythons Flying Circus. Many Python examples an ...

R (programming language)

R is a programming language and free software environment for statistics. R is a language built for a specific purpose. It is strictly designed for statistical analysis. The algorithms for many statistical models are devised in R. Precisely R is ...

Radix point

In mathematics and computing, a radix point is a symbol used to separate whole numbers from fractions. For example, the number 1200.25 {\displaystyle 1200.25} represents an integer of 1200 with a fractional part of 25, and these are separated wit ...

Repository (data)

A repository is a way of storing information related to a file system. For version control software, it is used to store information about files, their size, date of creation, and any changes made to them. Common examples of software that use rep ...

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Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

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