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[摘要]随着信息技术的发展,计算机被广泛应用于各个领域,其稳定性和安全性变得日益重要。从影响计算机的因素、安全防范原则、计算机的主要故障、网络安全等几方面阐述了加强计算机维护的重要性。

   

  一、计算机的日常使用管理

  1、使用习惯对计算机的影响

  计算机理想的工作温度应在10℃~35℃,若温度较高,会导致系统工作异常,甚至烧坏部分配件;温度过低则会使绝缘材料变硬、变脆,拔插配件时易损坏。相对湿度也应适中,在30%~80%为宜。太高会影响配件的性能,甚至引起某些配件短路;太低又会产生静电。还有,空气中的灰尘不能过大,否则会影响散热,腐蚀电路板或导致配件接触不良等。计算机对电源也有要求:交流电正常范围是220v土10%,频率50hz土5%,且要有良好的接地系统。电压不稳或瞬间高电流容易对电脑造成严重伤害。另外还应尽量避免电磁辐射的干扰,因为电磁辐射对显示器和电脑主板会带来严重危害。

  2、人习惯对计算机的影响也是不容忽视的。

[关键词]计算机 影响 故障 安全 维护

最新回答 (1条回答)

2009-10-16 回答
[Abstract] With the development of information technology, computers are widely used in various fields, its stability and security have become increasingly important. From the factors affecting the computer, security, the precautionary principle, the computer's main failure, network security and other aspects described the importance of strengthening the computer maintenance. 



1, computer use and management of the daily 

1, the impact of computer usage 

Computer ideal working temperature should be 10 ℃ ~ 35 ℃, if the high temperature will cause the system working properly, or even burned some parts; the temperature is too low then the insulating material will harden, become brittle, easily damaged when the plug accessories . Relative humidity should be moderate, in 30% ~ 80% is appropriate. Too high can affect the performance of parts, accessories and even give rise to certain short-circuit; is too low will generate static electricity. Also, the dust in the air can not be too large, otherwise it will affect the heat dissipation, corrosion circuit board or lead to poor contact and other accessories. The computer also has the power requirements: 220v AC normal range is 10% of the earth, frequency 50hz soil 5%, and have a good grounding system. Voltage instability or transient high current easy to cause serious harm to your computer. It should also try to avoid the interference of electromagnetic radiation, because of electromagnetic radiation on the monitor and computer motherboards will bring serious harm. 

Two, people are used to the impact of the computer can not be ignored. 


[Key words] fail-safe maintenance of the computer effects