在用原码表示整数“O”时,有“1000…00”和“0000…00”两种表示形式,而在补码表示法中整数“0”只有1种表示形式。()
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在PowerPoint2003中,要终止幻灯片放映,只需按______键即可。
高速缓存(cache)可以看做是主存的延伸,与主存统一编址,接受CP~J的访问,但其速度要比主存高得多。()
参考答案:错误
Why do cities often promote trade shows? Cities often promote trade shows as a means of ______ .
What kinds of trade shows are there in the real world? There are ______ and Trade Only.