建筑物综合布线系统中的工作区子系统是指( )。

【名词&注释】

子系统(subsystem)、配线架(distributing frame)、适配器(adapter)、终端设备(terminal equipment)、压缩力(compressive force)、电话机(telephone)、监视器(monitor)、数据终端(data terminal)、一部分(part)、音乐文件(musical file)

[单选题]建筑物综合布线系统中的工作区子系统是指( )。

A. 由终端到信息插座之间的连线系统
B. 楼层接线问的配线架和线缆系统
C. 各楼层设备之间的互连系统
D. 连接各个建筑物的通信系统

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[单选题]By using MP3, a 600M-byte music CD can be(70)to 50M bytes or less. It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the(71)of the file arrives in the background. And, most important, MP3 music files retain good listening(72)that(73)compression schemes lacked. That(74)of features makes accessing and distributing music on the Web practical for the first time.

A. pressed
B. compressed
C. press
D. compress

[单选题]An instruction is made up of(41) that specify the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform. the operation of(42) two numbers, it must know(43) the two numbers are. The processor's job is to(44) instructions and operands from memory and to perform. each operation. Having done that, it signals(45) to send it next instruction.

A. data
B. address
C. register
D. operations

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