2. 计算机
  3. Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and commun

Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and commun

admin2012-03-08  47
问题 Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to(72)other units per piconet. Moreover, each unit can simultaneously(73)to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics(74)symbol rate exploits maximum available(75)bandwidth。
选项 A、server
B、firewall
C、clinet
D、router
答案A
解析
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