| 单词 | packet data |
| 释义 | > as lemmaspacket data b. Computing. A unit of data for transmission; a group of bits of fixed maximum size and well-defined format that is switched and transmitted as a composite whole through a packet-switching network, any message exceeding the maximum size being partitioned and carried as several packets. Frequently as a modifier, as in packet data, packet network, etc. Cf. packet-switching n. at Compounds 2. ΘΚΠ society > computing and information technology > data > [noun] > unit of bit1948 megabit1957 byte1964 MB1965 megabyte1965 packet1966 nibble1967 Mbit1968 Mbyte1972 MSB1972 meg1983 1966 D. Davies Proposal for Digital Communication Network (National Physical Laboratory) 9 The unit in which information is carried must be distinguished from the message as understood by the user... Smaller units for transmission must be distinguished and we shall call them ‘packets’. 1969 R. Binder Multiplexing in ALOHA Syst. iii. 8 The basic message unit to be handled by the system will be called a ‘packet’. A packet consists of up to 80 8-bit characters of information. 1981 80 Microcomputing Nov. 112/3 Promoters of this version expect industry standards similar to those allowing the various common carrier packet networks to interconnect worldwide. 1989 UnixWorld Sept. 101/1 Communications services today are characterized by dedicated access to separate network services—like voice, packet data, and digital data. 1995 Data Communications Internat. Jan. 21/1 This involves more than slicing and dicing continuous voice and video streams into manageable packets; it also involves streamlining transmissions. < as lemmas |
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