问题 单项选择题

把程序空间地址中使用的逻辑地址变成内存中的物理地址称为______。

A.加载

B.物理化

C.重定位

D.逻辑化

答案

参考答案:C

解析:[分析]
由程序中逻辑地址组成的地址范围叫做逻辑地址空间,或简称为地址空间。而由内存中的一系列存储单元所限定的地址范围称为内存空间,也称为物理空间或者绝对空间。
程序和数据装入内存时需对目标程序中的地址进行修改。这种把逻辑地址转变为内存的物理地址的过程叫重定位。
对程序进行重定位的技术按重定位的时机可分为两种:静态重定位和动态重定位。

阅读理解

阅读下面短文,根据短文内容回答下列各题。

     J.K Rowling was born in England in 1965. She loved reading, and wrote her first story "Rabbit" when she

was only six years old. She studied French at university, then worked as a secretary (秘书) in London. She

had the idea for Harry Potter (哈里.波特) when she was on a train, "Harry just walked into my head", she

said later She started writing the first Harry Potter book the next day.

     In 1992 she went to live in Portugal for three years. She wrote Harry Potter in the morning, and worked

as an English teacher in the afternoon and evening. She got married to a Portuguese TV journalist and had a

daughter called Jessica.

     Then she returned to Edinburgh, in Scotland. She had no job at that time,she wrote in cafes (咖啡馆)

because they were warmer than her small house. After five years she finished the first book "Harry Potter

and the Philosopher's stone". The book sold millions of copies all over the world and J.K. Rowling became

very famous. She is very rich now, but she still writes her books in cares

1. Who is J.K Rowling? 

    ______________________________________

2. When did she write her first story? 

    ______________________________________

3. How did she get the idea of Harry Potter? 

   ______________________________________

4. Why did she write in cafes? 

   ______________________________________

5. Do you like the story of Harry Potter? Why? 

   ______________________________________

单项选择题