token


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token

1. a gift voucher that can be used as payment for goods of a specified value
2. Philosophy an individual instance: if the same sentence has different truth-values on different occasions of utterance the truth-value may be said to attach to the sentence-token

token

[′tō·kən]
(communications)
A unique grouping of bits that is transmitted as a unit in a communications network and used as a signal to notify stations in the network when they have control and are free to send information or take other specified actions.
(computer science)
A distinguishable unit in a sequence of characters.
A single byte that is used to represent a keyword in a programming language in order to conserve storage space.
A physical object, such as a badge or identity card, issued to authorized users of a computing system, building, or area.

token

(grammar)
A basic, grammatically indivisible unit of a language such as a keyword, operator or identifier. Compare: lexeme.

token

(convention)
(Or "pumpkin") An abstact concept passed between cooperating agents to ensure synchronised access to a shared resource. Such a token is never duplicated or destroyed (unless the resource is) and whoever has the token has exclusive access to the resource it controls. See for example token ring.

If several programmers are working on a program, one programmer will "have the token" at any time, meaning that only he can change the program whereas others can only read it. If someone else wants to modify it he must first obtain the token.

token

(1) See authentication token and token passing.

(2) A dynamically assigned number for an EMV credit or debit card transaction. The token is used in place of the "primary account number" (PAN) on the card. See EMV.

(3) In programming, a string of characters. For example, in the C expression #define MAXAMOUNT 50000, MAXAMOUNT is the token.
References in periodicals archive ?
The offer has been so popular that we are printing extra bonus tokens over the weekend until Tuesday, December 18.
Besides the low token price, the company is also offering a special bonus of 20% only on the token purchases made during the self-drop event.
The Security Token Academy is an organization focused on covering and facilitating the evolution of the security token industry.
The partnership was announced during the Jinbi token pre-sale, which is now live, ahead of the main sale which commenced on June 21, 2018.
The Swytch solution includes a Proof of Production protocol, data aggregation layer, and an incentive token designed to accelerate and scale the production of renewable energy.
Talking to Dawn, a number of clients say they have to arrive at the CLRC [also known as Arazi Record Centre] at around 3 to 4am to get the token but the seats installed in the waiting area are [often] occupied by the alleged agents who fleece the people as the centre officials start issuing the token at around 8am to only those who sit on the 63 seats and after that no token is issued as per the decision of the centre's management.
Capital raised from the ICOs may be used to fund development of associated digital platforms, networks or applications, while granting the token holder some interest in the project.
The CEO Mobile Token, which uses RSA SecurID technology, provides customers a convenient alternative to a physical token.
However, the Punjab Government has decided to give exemption on the fine of token tax payment till 30th June.
A secret key of a typical hardware token is set at the factory and after this no change is possible.
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The purpose of the present study is to assess whether the matching law provides a useful description of performance maintained by concurrent schedules of token presentation in rats.