一、英译汉
1. The memories between the processor and the disk are there to increase the effective performance(reduced latency and increased bandwidth) of the very slow disk.（P11）
处理器和磁盘之间的内存用于增加非常慢的磁盘的有效性能(减少延迟和增加带宽)
2. Selecting a PC for home or business use must begin with the all-important question "What do I want the system to do?”Once you've determined what tasks the system will be used for, you must choose among the software and hardware alternatives available.(P41)
选择家用或商用个人电脑，必须从一个非常重要的问题开始:“我想让系统做什么?”一旦确定了系统的任务，就必须在可用的软件和硬件中进行选择。
3. This chapter introduces most of the basic elements of C++: bill-in(内置类型)，library, and class types; variables; expressions; statements; and functions. Along the way, we'll briefly explain how to compile and execute a program. Having read this chapter and worked through the exercises, the reader should be able to write, compile, and execute simple programs.
本章介绍的大多数c++的基本元素:法案(内置类型),图书馆,和类类型;变量;表达式;语句;和功能。在此过程中，我们将简要地解释如何编译和执行程序。阅读本章并完成练习后，读者应该能够编写、编译和执行简单的程序。
4. With the addition of a cache, blocks of 16-32 bytes are taken from the page frames in real memory and placed into a block slot for access by the processor.（P11-P12）
通过添加缓存，从实际内存中的页帧中取出16-32字节的块，并将其放入块槽中供处理器访问。
5. A very important responsibility of any operational software is the scheduling of jobs to be handled by a computer system. This is one of the main tasks of the job management function.
任何操作软件的一个非常重要的职责是安排计算机系统要处理的作业。这是作业管理功能的主要任务之一。（P27）
6. In today's business world, not knowing what computer hardware is and what typical hardware components do is similar to being a taxi driver and not knowing what a car is and that it has components such as an engine, doors, windows, and so on.
在当今的商业世界中，不知道计算机硬件是什么以及典型的硬件组件是干什么的，就像一个出租车司机不知道汽车是什么，也不知道它有发动机、门、窗等组件。
7. SQL Server is designed to allow thousands of users to access the database at the same time and is true client/server database system.
SQL 数据库被设计成允许成千上万的用户同时访问数据库，是真正的客户机/服务器数据库系统。
8. There are several applications called Web browsers that make it easy to access the World Wide Web,two of the most popular being Netscape Navigator and Microsoft's Internet Explorer.
有几种称为Web浏览器的应用程序使访问万维网变得很容易，其中最流行的两种是Netscape Navigator和Microsot的Internet Explorer。
9. Some applications, such as Word, allow for several windows in a special mode called MDI in which you can open multiple documents within the same application,
一些应用程序，比如Word，可以在一种称为MDI的特殊模式下打开多个窗口，在这种模式下，你可以在同一个应用程序中打开多个文档，
10. Many networks exist in the world, often with different hardware and software. People connected to one network often want to communicate with people attached to a different one.
世界上存在着许多网络，它们通常有不同的硬件和软件。连接到一个网络的人通常希望与连接到另一个网络的人通信。
二、汉译英
1.20世纪60年代早期，经济和技术因素的结合使得小型、不昂贵的计算机对很多的应用具有吸引力。
In the early 1960s, a combination of economic and technological factors made small, inexpensive computers attractive for many applications.
2.在每一个指令周期的开始，CPU从内存中取一条指令。典型的CPU中，一种被称为程序计数器的寄存器被用于跟踪下一条指令。
At the beginning of each instruction cycle, the CPU takes an instruction from memory. In a typical CPU, a register called a program counter is used to track the next instruction.
