selector

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selector

[si′lek·tər]
(civil engineering)
A device that automatically connects the appropriate railroad signal to control the track selected.
(computer science)
Computer device which interrogates a condition and initiates a particular operation dependent upon the report.
(electricity)
An automatic or other device for making connections to any one of a number of circuits, such as a selector relay or selector switch.
(engineering)
A device for selecting objects or materials according to predetermined properties.
A device for starting or stopping at predetermined positions.
(mechanical engineering)
The part of the gearshift in an automotive transmission that selects the required gearshift bar.
The lever with which a driver operates an automatic gearshift.
(metallurgy)
A converter that separates purified copper from residue in a single operation.

Selector

 

an electromechanical device for the reception of calls in a selective telephone communication system. Selectors have been used predominantly in railroad systems. The call signal of a subscriber consists of a code, or series of electric pulses. The selector is tuned to a certain coded combination of pulses and operates—for example, rings a bell—only when the corresponding call signal is transmitted through the telephone line. In the 1960’s selector systems were supplanted by improved systems based on harmonic selective ringing. [23-S75–2]

selector

(programming)
1. In Smalltalk or Objective C, the syntax of a message which selects a particular method in the target object.

2. An operation that returns the state of an object but does not alter that state. Selector functions or methods often have names which begin with "get" and corresponding modifier methods or procedures whose names begin with "set".
References in periodicals archive ?
About the surprising inclusion of Rana Sohail, the chief selector said his (Sohail's) name remained under consideration earlier too, but other player (s) got selector's nod on merit.
This season will see the introduction of a scouting system with designated discipline-specific scouts, including the current ECB national lead coaches, providing information to a three-strong selection panel, made up of a new national selector, a full-time independent England selector and the England head coach.
Mumbai [India], Dec 24 ( ANI ): Chief selector of the Board of Control for Cricket in India (BCCI) MSK Prasad on Sunday praised Indian wicket-keeper batsman MS Dhoni's recent performances in the ongoing Sri Lankan series.
The number of plan selectors in Florida has increased to 1.
If they had any issues with the appointment of these three selectors, they could have conveyed their concerns to the Delhi High Court.
The Lens Selector is built around a complex set of calculations, but from the user standpoint it is remarkably easy to use: Visitors to http://www.
If selectors are not familiar with the top performers in junior cricket, how can one expect them to pick the right player?
The grit in the team is also attributed to the decisiveness with which selectors act.
The release of these new product selectors are being offered for free and can be used by our partner's websites to help customers and sales representatives get easier access to Tripp Lite products and solutions," said Vipin Sharma, vice president, EMEA and India Sales, Tripp Lite.
As the first and only group of its kind, the Site Selectors Guild brings together a network of site selectors from around the world, pooling their talent and expertise to create an invaluable resource, unmatched in its quality, for both corporations seeking site selection assistance and EDOs seeking professional networking opportunity with location influencers.
At the last pick for an order, the system will prompt the selector to go to a printer (10), where he will get a pallet ticket or a pallet label.
And now that Greg Chappell has been appointed as a fulltime selector in his new role as national talent manager, Cricket Australia will release one of their panellists in the next 24 hours.