| 释义 |
Definition of lookahead in English: lookaheadnoun ˈlʊkəhɛd 1The action or an act of considering what is likely to happen, or of calculating what can happen, in the (immediate) future. 2Computing. More fully "carry-lookahead". A method in computational arithmetic whereby the individual elements of an adder are capable of determining when addition performed by preceding stages will generate output which has to be carried to subsequent stages; an implementation of this method.
adjective ˈlʊkəhɛd Of or relating to the action of calculating what can happen in the (immediate) future; designating something which does this.
Origin Late 19th century; earliest use found in Theodore Roosevelt (1858–1919). From look + ahead, after to look ahead. Definition of lookahead in US English: lookaheadnounˈlʊkəhɛd 1The action or an act of considering what is likely to happen, or of calculating what can happen, in the (immediate) future. 2Computing. More fully "carry-lookahead". A method in computational arithmetic whereby the individual elements of an adder are capable of determining when addition performed by preceding stages will generate output which has to be carried to subsequent stages; an implementation of this method.
adjectiveˈlʊkəhɛd Of or relating to the action of calculating what can happen in the (immediate) future; designating something which does this.
Origin Late 19th century; earliest use found in Theodore Roosevelt (1858–1919). From look + ahead, after to look ahead. |