大哥求救阿。

1. 用英语谈谈计算机的使用和我们日常生活的密切联系，并谈谈自己的体会。

2. 说明计算机网络的组成。

3. 阐述CPU对于计算机组成部件的作用。

每篇不得低于300字。

with the development of technology in our daily life, the role that played by computer become more and more important. computer makes calculation much easier, it shorten the distance between everyone. we also get or give the information that we want. there are so many changes that bright by computer.

no matter what kind of network it is, its form is the same. the network is common formed of network server, network workstation, network protocol, network operationg system, network service, and network equipment six parts.

cpu is for short, and its full name is central processing unit. it is made up of arithmetic organ and controller. we always consider it as computer hear. with a complicated process, the semiconductor made into cpu.cpu's function is to read, traslate and carry out the orders.

CPU, i.e., central processing unit, is the heart of all the information equipment as well as the foundation of information industry. A nail-sized CPU involves multiple technology of microelectronics and computer, therefor is named the pearl on the IT crown.

- - 好累阿。。要拿分。