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| What a given entity does in being what it is. A named section of a program that performs a specific task. In this sense, a function is a type of procedure or routine. |
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| Any legal combination of symbols that represents a value. Each programming language and application has its own rules for what is legal and illegal. Every expression consists of at least one operand and can have one or more operators. |
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| A block of programming that analyzes variables and chooses a direction in which to go based on given parameters. Instructions or function calls o an imperative or a declarative program are executed or evaluated. |
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| A single operation of a processor defined by the processor instruction set. |
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| A construct that is used to define a distinct type |
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| A parameter is a special kind of variable, used in a subroutine to refer to one of the pieces of data provided as input in the subroutine. These pieces of data are called arguments. A value used to evaluate a procedure or subroutine. |
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| A set of data contained sequentially within another |
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| Small physical devices that join multiple networks together |
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| Used to connect two LANs(local area network) together, specially hardware for specific purposes (3G mobile broadband routers etc) |
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| Combine transmissions from several different devices to send them as one message |
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| A channel that allows transmission in only one direction at a time, switching back and forth between transmit and receive. Most spread spectrum wireless LAN equipment is Half-duplex |
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| The information always flows from the transmitter to one or more receivers with no provision for a return signal; like radio and TV broadcasts |
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| The amount of data that can be transferred in a given period of time (measured in buts per second bps) |
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| Transmission control protocol: a protocol developed for the internet to get data from one network device to another; uses a retransmission strategy to insure that data will not be lost |
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| Refers to the identification of humans by their characteristics or traits. Form of identification and access control in computer science (i.e. finger print, hand, face, iris) |
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| A collection of computers controlled from outside. A network of private computers infected with malicious software and controlled as a group without the owner's knowledge |
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| An interruption in an authorized user's access to a computer network, typically one caused with malicious intent |
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| A type of electronic signature that encrypts documents with digital code that are particularly difficult to duplicate |
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| a term for fraud that occurs in an online or digital environment. It can be used for many different kinds of fraud and is a play on "dot-com", a term that is often used to refer to anything related to the internet |
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| The activity of defrauding an online account holder of financial information by posing as a legitimate company. The act of attempting to acquire information such as usernames, passwords, and credit card details by masquerading as a trustworthy entity in an electronic communication |
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| The act of searching for Wi-Fi wireless networks by a person in a moving vehicle, using a portable computer, smartphone, or personal digital assistant |
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| Business to consumer e-commerce: online sale of goods and services directly to consumers |
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| An electronic device that allows an individual to make electronic commerce transactions. This can include purchasing items on-line with a computer or using a smartphone to purchase something at a store. A system that securely stores payment information and passwords for numerous payment methods and websites |
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| A company that relies largely or exclusively on internet commerce |
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| Commerce offering goods at a price that changes according to the level of demand, the type of customer, or state of the weather |
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| The hypertext markup language (HTML) that describes some aspects of the contents of a web page. The meta tag is used by search engines to index a page so that someone searching for the kind of information the paige contains will be able to find it |
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| The process of improving traffic to a given website by increasing the site's visibility |
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| The science and engineering of making intelligent machine, especially intelligent computer programs. It is related to the similar task of using computers to understand human intelligence. Must be capable os doing 1) store knowledge 2) applying the knowledge stored to solve problems 3) Acquire new knowledge through experience |
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Allow computers to learn to do things without explicit programming.
-Enabling computer program automatically to improve their performance at some tasks through experience. Closely related to pattern recognition and statistical inference.
-Many successful applications: requires “setup”: does not mean your PC can learn to forecast the stock market or become a brain surgeon. |
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| The simplest neural network possible: a computational model of a angle neuron. Consists of one or more outputs, a processor, and a single output |
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| This learning is a method for approximating discrete-valued target functions. A decision tree represents the learned function. Commonly used in data mining. Decision trees classify instances or examples by starting a root of tree and moving through a leaf node. |
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| Highly complex brain that has capability to organize neurone to perform certain computation (patter recognition, perception, motor control etc) and is many times faster than the fastest digital computer in existence today |
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| Recognizes only binary on/off signals - Target function of decision tree has discrete output variables |
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| A four-bit aggression or half an octet; corresponds to a single hexadecimal digit |
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| A multiple of the unit byte for digital formation. Equal to one trillion (short scale) bytes |
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| A positional numeral system with a base of 16. Each hexadecimal digit represents 4 binary digits (bits). One hexadecimal digit represents a nibble |
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| The conversion by which one bit in the representation of a number indicates the numeric sign, while the rest indicate the magnitude |
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| "American Standard Code for Information Interchange". A 7 bit code, frequently used with an 8th bit for error detection. In other words, a fixed-length code that can represent any single character of data as a string of eight bits |
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| A set of bits that represent a graphic image, with each bit or group of bits corresponding to a pixel in the image; a representation in which each item corresponds to one or more bits of information |
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| Image retouching and editing tool |
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| Splits a password into n "shares", any t shares can be reassembled to recover it, but having t -1 pieces won't help. Use if you need to write down a password for anyone |
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| A system that allows buyers of digital advertising inventory to manage multiple ad exchange and data exchange accounts through one interface |
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| A technology platform with the single mission of enabling publishers to manage their advertising impression inventory and maximize revenue from digital media. Ie. Automated and secure way to tap into different sources of advertising income that are available, provide insight into various revenue streams and audiences. |
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