计算机专业英语教程Unit3整理

木来 木来

Unit 3

EX1

1.

2.the function of bus is to temporarity store data  and instructions

总线的功能是临时存储数据和指令【错误】

3.

4.gas to a car is just what software to a computer

给汽车加油就像给电脑装软件【正确】

5.

6.the ALU preforms all the arithmetic and logical functions

ALU执行所有的算术和逻辑函数【正确】

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8.

9.

10.the instruction cycle includes the execution of the instruction and the storing of the result into a register

指令周期包括执行指令和将结果存储到寄存器中【错误】

11.instruction cycle plus the execution cycle is a machine cycle

指令周期加上执行周期是一个机器周期【正确】

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15.

EX2

1.the cpu circuitry of microcomputer——called a microprocessor——can now fit on a chip about size of your thunbnail,or even smaller

微型计算机的cpu电路称为微处理器(microprocessor),现在可以装在一块和你的钉子差不多大小的芯片上,甚至更小

2.the parts of the cpu are usually connected by an electronic component referred to as a bus

cpu的部件通常由一个称为总线(bus)的电子部件连接

3.

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5.

6.data and instructions are represented in binary form

数据和指令以二进制(binary)形式表示

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EX3

1.

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5.

6.a series of instructions that guides a computer through some processor

引导计算机通过某种处理器的一系列指令【选E计算机程序】

7.

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10.

EX4

PartA

1.

2.

3.data may be transferred from storage to the internal memory or from the internal memory to the arithmetic unit by mean of conductive channels known as data bus

数据可以通过称为数据总线的导电通道从存储器传送到内部存储器或从内部存储器传送到算术单元

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