| 释义 |
scheduler
(ˈʃɛdjuːlə(r), U.S. ˈskɛdjuːlə(r))
[f. schedule v. + -er1.]
1. One who draws up a schedule or arranges activities in accordance with one.
1952Antioch Rev. Dec. 426 After school there are music lessons, skating lessons, riding lessons, with mother as chauffeur and scheduler. 1957Electronic Engin. XXIX. 179/1 The two schedulers interpret the required data-processing operations in terms of machine functions. 1978Sci. Amer. Mar. 124/2 The priority list L is an ordering of the tasks according to the preferences of the scheduler. 1979H. Kissinger White House Years xxii. 923 The schedulers had arranged for a visit to the Vatican in the afternoon. 1980Daily Tel. 18 June 8/7 So far the Radio 3 schedulers have mostly been able to replace these concerts with records of the works that would have been played.
2. a. A machine, esp. a computer, that can arrange a number of planned activities into the order in which they should take place.
1962Times 26 Oct. (Spencer Steelworks Suppl.) p. xiv/3 The finishing end scheduler is the coordinating and planning authority for the whole finishing process. Ibid., The finishing end scheduler prepares and revises production schedules.
b. Computers. Any of several control programs that arrange jobs or the computer's operations into an appropriate sequence; also, a part of the hardware designed to perform a similar function.
1966C. J. Sippl Computer Dict. & Handbk. 279/2 The scheduler is called at regular intervals to decide which program in memory is to be run... A program may be terminated temporarily by user intervention to the scheduler, or it may suspend its own operation. 1968Communications Assoc. Computing Machinery XI. 349/1 The part of the system responsible for handling block and wakeup instructions will be called the scheduler. Ibid. 357/2 All the external interrupt lines are directed into the scheduler, which..loops constantly, examining them. 1973C. W. Gear Introd. Computer Sci. iv. 168 When a job is terminated, the scheduler uses the space for another job and puts the output on a work list for the output processor. |