| 释义 |
dial-up, a. and n.|ˈdaɪəlʌp|
[f. dial v. + up adv.1: see dial v. 4 c and to ring up, ring v.2 10 b.]
A. adj. Pertaining to or designating a data transmission link that is part of a public telephone network, access to it being gained by dialling or keying manually or automatically.
1961Proc. Eastern Joint Computer Conf. Dec. 214/1 More recent developments are magnetic tape-to-tape transmission over telephone lines, either private or dial-up. 1969G. B. Davis Computer Data Processing xvi. 400 TELEX{ddd}A dial-up network for low-speed communications. 1972AFIPS Conf. Proc. XL. 114/1 It is implemented on a DEC PDP9 computer..and a dial-up 2000 bit/sec link to the local big machine. 1972New Scientist 26 Oct. 218/1 The market for cheap desk-top ‘dial-up’ [facsimile] units for the executive will increase from today's $17 million to $110 million by 1980. 1975Rep. Computer Board Managem. (Univ. Coll., London) 2 Of the initial 32 lines, half are hardwired and the rest dial-up. 1979J. E. Rowley Mechanised In-House Information Syst. i. 63 The user may use private leased lines or rely on the public telephone network, using dial-up lines. 1984Listener 20 Sept. 7/2 Access to that database was through a telephone dial-up system and was used by thousands of subscribers all over the United States.
B. n. The action of dialling up.
1978W. S. Davis Information Processing Systems xvi. 351 Dial-up can get expensive if the call is long distance. 1979Financial Times 17 Sept. 14/2 Information can be transmitted (via automatic dialup) by ordinary telephone lines. |