关于机算机操作的英语作文七年级的 初中英语作文带翻译
oday，computers also control machines as diverse as automobile engines，robots，and microwave ovens. A computer system solves a problem from any of these domains by accepting input，processing it，and producing output. Fig. 1-1 illustrates the function of a computer system.
Computer systems consist of hardware and software. Hardware is the physical part of the system. Once designed，hardware is difficult and expensive to change. Software is the set of programs that instruct the hardware and is easier to modify than hardware. Computers are valuable because they are general-purpose machines that can solve many different kinds of problems，as opposed to special-purpose machines that can each solve only one kind of problem. Different problems can be solved with the same hardware by supplying the system with a different set of instructions.that is，with different software.
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翻译:
计算机组成原理
计算机硬件
人们为解决问题而制造计算机。早期的计算机解决的是数学和工程问题，后来计算机着重解决商业应用中的信息处理问题。如今，计算机还用来控制如汽车发动机、机器人和微波炉等各式各样的机器。计算机系统解决上述这些领域中的任何一个问题都是通过接收输入、处理问题和生成输出来实现的。图1-1说明了计算机系统的功能。
计算机系统由硬件和软件组成。硬件是系统的物理部分。硬件一旦设计完毕，要修改是困难的，并且花费也大。软件是指挥硬件的程序集合，比硬件容易修改。计算机之所以有用，是因为它们能解决很多不同类型的问题，是通用的机器。相对而言，每种专用机只能解决一类问题。通过为系统配备不同的指令系统，也就是配备不同的软件，能用同一硬件去解决不同的问题。
初中英语作文关于我的父亲是公交车司机~
My father is a bus driver. He has been working on it for more than ten years. He drives the No.9 bus of my city. Its routine starts from the east and then cross the city goes the the west. This work is toilsome, especially in the summer and winter, because it's hot in summer but cold in winter. Everyday, my father just stays in the narrow place and barely moves...
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lcl1977
1. How to spend my weekend
Iam going to prepare for my lessons because the Mid-term exam is coming. I am sure if I have good preparation, I will get good grades. I am going to help my parents do some housework because they work hard every day.Of course I will visit my good friend and play table tennis with him because doing sports is good for our health. I will surf the internet and listen to music because they are good ways to relax. I am sure I will have a busy and meaningful weekend. 我打算复习功课，因为期中考试即将到来，我相信如果做好充足的准备，我一定会取得好成绩的。我打算帮父母做些家务，因为他们整天忙于工作。当然了，我要拜访我最好的朋友并和他一起打乒乓球，因为做运动有益于身体健康。我要上网并听音乐，因为他们是最好的放松方式。我肯定我会过一个忙而有意思的周末的。
2 How to learn English well
Learning English just like learning any other language, is hard work so my first advice is to spend much time practicing using English every day. Besides, we should listen to the teacher and take notes carefully in class. Go over what is learnt regularly and finish doing our homework carefully. Listen to English radio programmes, read English stories and newspapers, watch English films and TV programmes ,keep a diary in English and attend English debbates and speech contests. If we make mistakes, correct them at once and try not to make the same mistakes. What's more, we should look up new words in the dictionary before class and prepare each lesson carefully before class. I believe if we work hard and have good ways of learning English, we will learn English well.学习英语就象学习其他语言一样是艰辛的。因此我的第一个建议是每天花多点时间练习使用英语。除此之外，我们应该上课认真听讲、记笔记。定期复习所学内容，认真做作业。听英语广播，读英语故事和报纸，看英语电影和电视节目，用英语写日记，参加英语讨论和演讲比赛。如果我们犯错误，就要立刻改正，尽力下次不要犯同样的错误。而且，我们在上课前要查字典，认真准备每节课。我相信如果我们努力学习、有好的学习方法，我们会学好英语的。
希望对你有帮助，祝：学业有成，更上一层楼<收起
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