Computers can make our life more convenient, we can easily edit documents, show our work more professionally, and quickly send work to all over the world, which not only saves time, but also improves efficiency. Before the advent of computers, people usually used typewriters and e-mails, which increased the time taken and may cause information lag. If we do not use computers, it may slow down the transmission of information and increase human, material and financial resources. The increase in the use of computers may cause certain damage to people's bodies, such as myopia, cervical spondylosis and so on. At the same time, it will also reduce the communication between people, so that people become more unfamiliar, not conducive to the harmonious development of society.<br>
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