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问题 单项选择题

PC 机采用汇编语言程序其中断控制器和DMA 控制器中的各端口时，采用下列哪类指令？

A．通用数据传送指令中的MOV 指令

B．通用数据传送指令中的PUSH 和POP 指令

C．输入/输出指令

D．处理器控制指令中的外部部同步指令

答案

参考答案：C

单项选择题

MIDI enables people to use (11) computers and electronic musical instruments. There are actually three components to MIDI, the communications " (12) ", the Hardware Interface and a distribution (13) called "Standard MIDI Files" . In the context of the WWW, the most interesting component is the (14) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (15) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

A．device

B．protocol

C．network

D．controller
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单项选择题

实行贷款人受托支付方式的贷款资金原则上应在（）通过借款人账户支付给借款人交易对手.

A.贷款发放当天

B.贷款发放两天内

C.贷款发放后1周内

D.没有明确的时间限制
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