关于computer英语作文初二

[初二关于义工的英语作文]On Sunday morning, our team organized an activity, is to go to the Nanshan book city volunteer. Nanshan book city to, we wear Yucai four small volunteers clothi...+阅读

关于computer英语作文初二

Computer

The computer is a product of advanced civilization and its invention, according to some people, signals the advent of a Second Industrial Revolution. Formerly a bulky machine that demanded much space, the computer is now becoming smaller and smaller and scientists have made it more sophisticated and accordingly more useful. As is generally known, the computer can do a wide range of work, including complex computation and analyses. People now also use it as a teaching aid in designing. An infinite variety of software can be put into the computer, which explains why it is so powerful.

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计算机专业英语作文 my

常见硬件名和设备名

CPU:Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。

RAM:Random Access Memory，随机存储器，即人们常说的“内存”。

ROM:Read-Only Memory，只读存储器。

EDO:Extended Data Output，扩充数据输出。当CPU的处理速度不断提高时，也相应地要求不断提高DRAM传送数据速度，一般来说，FPM(Fast Page Model)DRAM传送数据速度在60-70ns，而EDO DRAM比FPM快3倍，达20ns。目前最快的是SDRAM(Synchronous DRAM，同步动态存储器)，其存取速度高达10ns。

另外你可以关注一下CENet2013，每年大会都有很多计算机相关的知识。

英语作文computer

Advantages and disadvantages of computer Almost every home, office, or school has a computer of some kind these days. It may seems at first that having a computer brings only benefits, but further consideration shows that it also has disadvantages.First of all computers are very useful at school. It helps students to revise for tests or exams and makes subjects more interesting. Pupils can also learn new vocabulary and gramatic structures.Furthermore it allown students to become familiar with operating a computer and gain basic computer skills.What is more people can save a lot of time by using a computers. This is especially beneficial in the workplace where employees can do their work faster than they could in the past.In addition to this storing information on a computer disks is one of the most officient ways of keeping data. One computer disk can hold the same amount of information as several books. Moreover people can communicate with other computer owners through the internet, which offers nowdays everything from making freecalls from foreign countries to doing shoping.On the other hand many jobs have been lost due to the fact that computer can do a lot of tasks more officiently than humans. This has led to high unemployment in many countries. What is more kids if left unsuprised would spend all of their time playing games on the computer rather than using it for educational purpose.Furthermore some people when working from home with computer are far more likely to feel cut off from rest of the world. If children are sitting in front of the screen all day, they do not learn to share, wait they turn, or even something as simples as manners.Moreover children might be using the internet to acces pornographic material. Children are also easy target for sexual affenders who chat online with them and then make plans to meet them or slowly filter information about them.Also freuqent and prolonged computer session may pose physical health. Risks especially for children. The most frequently cited are visual strain, harmful effects of radiation and posture and skeletal problems.