| 释义 |
▪ I. keypunch, n.|ˈkiːpʌntʃ|
Also key-punch, key punch.
[f. key n.1 + punch n.1]
A device for punching holes or notches in cards or paper tape in which one of a set of keys is pressed to produce the hole or holes corresponding to a particular character.
1933L. J. Comrie Hollerith & Powers Tabulating Machines 7 The Powers automatic key punch..has automatic feeding and ejection. 1948Math. Tables & Other Aids to Computation III. 127 Data, transferred by keypunch operators onto teletype tapes. 1970O. Dopping Computers & Data Processing iii. 57 Tape can be punched in keypunches. 1970Honey June 18/2 (Advt.), A keypunch operator..prepares the cards that tell computers what to do.
▪ II. keypunch, v.|ˈkiːpʌntʃ|
Also key-punch.
[f. prec. n.]
1. trans.
a. To produce holes or notches in (a card or paper tape) by means of a keypunch.
1947Jrnl. Chem. Education XXIV. 62/1 A master table of cards, bearing x and f(x), is key-punched from printed tables. 1959Science 16 Oct. 958/1 A number of other items were then added from cards which had been especially key-punched for the purpose.
b. To put into the form of punched cards or paper tape by means of a keypunch.
1959Jrnl. Assoc. Computing Machinery VI. 13 The completed output definition form is..keypunched directly into cards. 1960E. Delavenay Introd. Machine Transl. 119 The text of the foreword was given in French typescript to Mr Brown... He proceeded to the I.B.M. headquarters where he keypunched it. 1971Computers & Humanities V. 304 The computer phase of the project consists of key-punching an Old Church Slavonic-English composite glossary. 1973Ann. N.Y. Acad. Sci. CCXI. 319 There have been thousands of lines of poetry..keypunched in order to produce concordances.
2. intr. To operate or use a keypunch.
1970O. Dopping Computers & Data Processing iii. 59 In keypunching for automatic data processing, checking methods other than verification punching are normally used.
So ˈkeypunching vbl. n. Also ˈkeypunchable a., capable of being represented on punched cards or paper tape.
1954Jrnl. Assoc. Computing Machinery I. 155/1 The punched-card input makes it possible to use key-punching and verifying techniques. 1965L. E. Foster Telemetry Syst. iv. 221 Card-handling equipment provides keypunching, verifying, sorting..and listing services. 1969P. B. Jordain Condensed Computer Encycl. 395 Programming..may end with coding (writing in keypunchable form). 1970Computers & Humanities IV. 210 Gould adapted the Plaine & Easie keypunchable notation of 48 characters to a code specifically for the uniquely-written chant. |