80386有4个总线周期定义信号但主要的总线周期定义了前三个。在I/O写周期，总线周

发布时间：2017-07-04 18:25 │ 来源：www.tikuol.com

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问题：

80386有4个总线周期定义信号

但主要的总线周期定义了前三个。在I/O写周期，总线周期定义信号状态为( (1) )，在存储器数据读取周期总线信号定义为( (2) )，在存储器指令码读取周期总线信号定义为 ( (3) )。

考点：计算机等级考试 PC技术三级PC技术笔试

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完形填空。

     Frank is sixty. But he looks 1 . He has a  2  sports collection. He  3 10 tennis rackets, 8 baseballs, 6
basketballs, 12 soccer balls  4 18 volleyballs. But he  5 sports. He  6 likes collecting sports things. His  7 ,
David, likes soccer. He is a member (成员) of a soccer  8 . He plays  9 every day with his friends. He  10
his father's collection.

( )1. A. old
( )2. A. great
( )3. A. there is
( )4. A. and
( )5. A. doesn't
( )6. A. and
( )7. A. daughter
( )8. A. ball
( )9. A. basketball
( )10. A. likes

B. young
B. small
B. there are
B. or
B. don't play
B. only
B. son
B. club
B. baseball
B. like

C. nice
C. some
C. have
C. but
C. plays
C. too
C. father
C. class
C. soccer
C .watches

D. fun
D. many
D. has
D. so
D. doesnt play
D. doesn't
D. uncle
D. school
D. volleyball
D. plays

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求函数f（x）=

3	x-1

的定义域．

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12个啤酒空瓶可以免费换1瓶啤酒，现有101个啤酒空瓶，最多可以免费喝到的啤酒为（）。

A． 10瓶

B．11瓶

C．8瓶

D． 9瓶

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以下那种预算应该首先得到编制：()

A.销售预算

B.生产预算

C.现金预算

D.成本预算

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生产作业条件危险性分析法是采用发生事故的可能性、人员暴露于危险环境的频率和事故后果的严重度的( )进行评价的。

A．和

B．差

C．平方和

D．乘积

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