关于计算机的作文？以电脑为题的作文 篇1 一个好朋友,它穿着黑黑的外套,一个主机箱,一个显示器,还有一个小手。它就是——电脑。 电脑是我的好朋友,我遇到不会的题就去请教它,它也总会耐心的给我解答。它还会给我提供许多资料,游戏,歌曲等。还可以通过它和远方的朋友视频,给我们带来了许多方便。 我还在电脑上学到了许多知识。那么，关于计算机的作文？一起来了解一下吧。
Computers are very important in our life. They have an impact on our study and entertainment .
After school ,we study at home .Instantly we meet some questions ,we will find some information on the internet .In this way ,computer can help us to study better .
Moreover ,if we have some problems ,we can also write them on our blogs.And then we can talk about them with other people .We will get happier .
We are busy with our work every day .If we feel tired,we can relax by playing computer games or watching some intereting videos .
So computers are playing an imortant role in our daily life .
在21世纪的今天，高科技的迅速发展要求我们必须掌握大量的知识来适应社会的进步。现在，“文盲”的定义不仅限于缺乏必要的学科知识，还应该包括不会使用电脑的人。电脑引领我们进入了一个全新的领域。
电脑的功能非常强大。它在工作和学习中都有广泛应用。例如，当我英语水平较低时，我经常不知道如何提高。但有了电脑，我可以轻松搜索到学习英语的方法。我只需在电脑上输入“如何学好英语”，就能迅速找到许多关于英语学习的文章。这比去图书馆找资料方便得多。电脑不仅帮助我提高了英语水平，也开拓了我的学习视野。
电脑还能促进全球交流。它打破了家庭之间的距离，使我们能够了解世界各地的文化和风俗。中学生更应该学习一些各国的文化知识，因为电脑将世界各地连接在一起。我们可以进入虚拟聊天室，用英语交流，以此提高语言能力。我曾经与一位美国女孩进行文化交流，了解了他们的国家如何发达，人民生活如何富裕。通过电脑，我还结识了许多朋友。
电脑在医学领域也发挥着重要作用。例如，医生可以利用电脑进行精确的手术，这在以前是难以想象的。此外，许多科学家也利用电脑完成重要实验，比如在“非典”期间，科学家们通过电脑分析病毒来源，并提取有效成分，挽救了许多生命。
The oldest calculating tool is abacus that was invented by Chinese several thousand years ago. Since then human beings had tried to make a machine to calculate for many years. However, there had been no machine which can be called "puter" till 1946. In that year two Americans invented the first puter in the world. The volumn of the machine was so large that it took up a whole room, and its speed was very low. With the rapid development of IT, nowadays puters are much *** aller and faster, and they have bee one of essential tools for everybody.
MICROPROCESSOR AND MICROPUTER
Microprocessor is a processor whose elements have been miniaturized into one or a few integrated circuits.It is a semiconductor central processing unit(CPU)and one of the principal ponents of the microputer.The elements of the microprocessor are frequently contained on a single chip or within the same package,but are sometimes distributed over several separate chips.[1] In a microputer with a fixed instruction set,the microprocessor consists of the arithmetic-logic unit and the control logic unit.In a microputer with a micro programmed instruction set,it contains an additional control-memory unit.[2]
Pentium And Power PC Evolution
In this section,we provide a brief overview of two puter families：the Intel Pentium and the IBM Power PC.The Pentium represents the results of decades of design effort on plex instruction set puters(CISCs).It incorporates the sophisticated design principles once found only on mainframes and superputers and serves as an excellent example of CISC design.The Power PC is a direct descendant of the first RISC system,the IBM 801,and is one of the most powerful and best-designed RISC-based systems on the market.[3]
1)The Pentium
One method of increasing the plexity of an integrated circuit is simply to scale the chip down.[4] For example,if every line etched into the silicon die could be shrunk in half,the same circuit could be built in one -fourth the area.The evolution of dynamic memory chips(DRAMs)follows this rule exactly.The original IBM PC used 16 KB DRAMs.These were soon replaced with 64 Kchips,then 256 KB chips,and now 16 MB,and even 64 MB chips…
The“trick”,of course,is being able to improve processing skills sufficiently to allow this scaling to continue.In 1969,the minimum feature size(the *** allest detail that can be etched into a chip)was 10 microns(10×10-6 meter).By 1997,this had shrunk to 0.25 micron—40 times *** aller!
The Pentium uses a superscalar architecture.This means that the chip’s capabilities go beyond those achieved simply by scaling down its size.In particular,the Pentium is the first microprocessor in the Intel family to support two instruction pipelines,each with its own arithmetic-logic unit,address generation circuitry,and data cache interface.The result is a processor that can actually execute two different instructions simultaneously.
In 1965,Gordon Moore,one of the founders of Intel,was graphing chip plexity vs. time. He noticed that the number of integrated ponents doubled every two years.Moore then boldly predicted that this doubling would continue indefinitely.Remarkab1y,his prediction—now referred to as Moore’s law—has held up for more than 30 years.[5]
2)The Pentium MMX
In 1996,Intel began delivering versions of the Pentium with multimedia extensions (MMXs).These processors have three architectural enhancements over non-MMX processors(now renamed Pentium Classic).
For general applications,benchmark tests show a 10一20 percent improvement over the Pentium Classic,increasing to nearly 70 percent when multimedia-specific plications are considered.[6] Chips with(internal)click speeds as high as 233 MHz are available.
Applications of MMX processors include depression of audio and video files.Indeed,software video players may bee a reality.Some vendors are replacing conventional modems and sound cards with MMX-driven software equivalents.
3)The Pentium Pro
Perhaps the most striking feature of the Pentium Pro is the package itself.As shown in Fig. 2-1 the Pro consists of two separate silicon dies.The largest is the processor;fabricated with 0.35 micron design rules,it incorporates 5.5 million transistors.The *** aller die beside it is a 256 KB level-two cache.Oddly enough,the cache has three times as many transistor,as the processor(16.5 millions),but because of its uniformity,less silicon area is required.[7] Versions of the Pentium Pro with a 512KB,and a 1 MB cache are also available.
The Pentium Pro retains all of the architectural features of the Pentium that preceded it.That is,internally,all registers are 32 bits,while the external data bus is 64 bits wide.Four additional address lines have been added,allowing 64 GB of physical memory to be accessed.From a software point of view,the Pentium Pro remains 100% patible with the previous generation of 80x86 processors.Three new processor instructions have been added,as well as two new floating-point-unit instructions.
The most touted feature of the Pentium Pro is what Intel calls dynamic execution.This new approach to processing software instructions that reduces idle processor time to an absolute minimum.
4)The Pentium II
The newest member of the 80x86 family is the Pentium II.First made available in 1997,it is basically a Pentium Pro with MMX technology.
The Pentium II is made with 0.25-micron technology,allowing clock speeds of 300 MHz to 450 MHz.System bus frequencies as high as 100 MHz are suonorted.The lower clock speeds will support a 66 MHz system bus frequency.The level-two cache,which operates at half the speed of the processor,stores 512 KB and has its own 64-bit dedicated bus.The level-one cache has been increased from 16 KB in the Pentium Pro to 32 KB in the Pentium II.
5)Power PC
In 1975,the 801 miniputer project at IBM pioneered many of the architecture concepts used in RISC systems.T801,together with the Berkeley RISC I processor,launched the RISC movement.The 801,however,was simply a prototype intended to demonstrate design concepts. The success of the 801 project led IBM to develop a mercial RISC workstation product,the RT PC.The RT PC,introduced in 1986,adapted the architectural concepts of the 801 to an actual product.The RT PC was not a mercial success,and it had many rivals with parable or better performance.In 1990,IBM produced a third system,which built on the lessons of the 801 and the RT PC.[8] The IBM RISC System /6000 was a RISC-like superscalar machine marketed as a high-performance workstation;shortly after its introduction,IBM began to refer to this as the Power architecture.
For its next step,IBM entered into an alliance with Motorola,developer of the 68000 series of microprocessors,and Apple,which used the Motorola chip in its Macintosh puters.The result is a series of machines that implement the Power PC architecture. Changes were made to add key missing features and to enable more efficient implementation by eliminating some instructions and relaxing the specification to eliminate some troublesome special case.[9] The resulting Power PC architecture is a superscalar RISC system.
So far,four member of the Power PC family have been introduced.
查抄点就是篇作文了,3,
1. 我（ ）计算机作文
计算机也叫做电脑，我的电脑是爸爸从深圳带回来的，它有一个大大的，灵活的大脑，一个圆圆的嘴巴，旁边加个开关。
电脑分为三大主件，显示器，主机和键盘。显示器就是一个大屏幕，象电视机一样。
主机是必不可少的部件，有两只眼睛，一只启动程序，另一只重新启动程序。功劳最大的就是键盘了，它包含着26个英语字母，4个方向键，0~9个数字，F1~F12一些不可缺少的功能键。
它们各负其责、各有妙用。如：CTRL+ALT+DELETE能重新启动程序，ALT+F4能关闭正在运行中的程序。
电脑还有一条小尾巴，就是鼠标，鼠标是用来发布指令的，显示器会听从它的指令，这就是电脑的神奇功能。电脑的用处可大了，它可以玩游戏 ，查资料，看CD等。
比如查资料，你想知道关于周总理的资料的话，只需在百度网上搜索周总理三个字，立刻就能查到关于周总理的所有故事和资料了，坐在家里登入新浪网，你也可以知道国际国内最新发生的事情，还有电脑的计算能力，几乎是万无一失的，只要你发出指令，它就会告诉你结果。如果你感到累了，可以暂时放松一下，一边听歌，一边打纸牌，下象棋等。
不仅如此，它还有更奇特的功能------传送邮件，无论你的朋友在世界的哪个角落，你都可以及时向他传递你的信息，可以通过视频见到你离别的朋友，互相对话，问好。
Computer is an electronic device used in almost every field even where it is most unexpected. That is why this age is called as the era of IT. And now we cannot imagine a world without computers.These days computers are the tools for not only engineers and scientists but also they are being used by millions of people around the world.
Computer has become very important nowadays because it is very much accurate, fast and can accomplish many tasks easily. Otherwise to complete those tasks manually much more time is required. It can do very big calculations in just a fraction of a second. Moreover it can store huge amount of data in it. We also get information on different aspects using internet on our computer.And this technology is advancing both in industry and home. It has become necessary for everyone to have the basic knowledge about computer.
以上就是关于计算机的作文的全部内容，篇一：有关电脑的自述作文600字说明文 大家好!我是一台人见人爱，花见花开的高科技产品—电脑。在这个多姿多彩，日新月异的年代里，我可是家居生活必不可少的好帮手哟!想知道我是什么样和有什么样的功能吗?想知道的话，那就赶快往下看，让我来详细介绍我自己。内容来源于互联网，信息真伪需自行辨别。如有侵权请联系删除。
