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Now the impact is too great, all aspects of life.
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Cons: 1The direct impact on physical health, computer monitors are accompanied by radiation and electromagnetic waves, and long-term use will harm people's eyes and induce some eye diseases, such as glaucoma;
2.The harm of computer microwave to the body, the low-energy X-ray and low-frequency electromagnetic radiation of the computer are easy to cause people's central nervous system disorders;
3.Increase mental and psychological pressure, high concentration in the process of operating the computer, rapid and frequent movement of eyes and fingers, make the physiological and psychological excessive burden, resulting in sleepiness, neurasthenia, head soreness, and decreased immunity.
Pros: 1The work efficiency has been improved, and the computer computing has greatly improved the computing speed;
2.It facilitates people's daily life, and the use of computers makes people's lives faster and more convenient.
3.The progress of society and science and technology has been accelerated, and the use of computers has been of great benefit to the development of social science and technology.
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Modern distance education on the Internet has attracted more and more educated people in the society with the openness, extensiveness and flexibility of the network, which has brought great changes to the teaching and working methods of the school. Online modern distance education is a new teaching mode that uses computer network technology and computer multi-technology to enable students and teachers to carry out in different places through electronic classrooms, electronic whiteboards and other means on the network. It is the product of the combination of modern multi-class teaching and network technology.
Under the existing conditions of higher education, the use of modern online distance education forms to expand the teaching coverage of colleges and universities can effectively alleviate the contradiction between the shortage of educational resources in China and the huge social education needs of the information age.
1 Demand has led to the formation and development of modern distance education.
2 Technological implementation of modern distance education.
Modern distance education experience.
1 Leadership attention and inter-departmental collaboration are the prerequisites for distance learning2 Strict management system is the guarantee of distance education.
3. Make full use of the advantages of the network, and pay equal attention to the implementation of both on-campus and off-campus.
4. Realize the reform of educational content, pay attention to the production of teaching courseware, and combine computer teaching to help you.
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1.Knowing the seven-layer reference model of the OSI system, what are the characteristics of the data generated by the data transmission based on the OSI at the link layer, the Menggao network layer, and the transmission layer.
- From high to low, it is: application layer, presentation layer, session layer, transport layer, network layer, link layer, and physical layer.
The data at the link layer is packets, the network layer is IP packets, and the transport layer is the data segment.
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This is what Shenma means!! The outline is listed, just look for it in the book!
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It has a very important role and is the basic role. Curriculum theory knowledge, communication knowledge, system science theory knowledge, etc.
2) Basic knowledge of technology: including audition technology, computer and multi-technology, communication and network technology, artificial intelligence and virtual reality technology, etc.
3) Basic theoretical knowledge: including audio-visual theory, program teaching theory, instructional design theory, knowledge management theory, teaching evaluation, teaching management and other aspects of knowledge.
4) Professional basic knowledge: including basic computer knowledge, database principles, data structure, programming, digital electronic technology, digital film and television technology, basic knowledge of art and art, etc.
5) Professional basic skills: multi-professional teaching software, online courses, and other resource development and production skills; skills in the design and development of teaching platforms; Educational TV Camera, Video, Skills; Construction and maintenance skills of information-based educational resources and teaching systems.
Network technology is better, if you want to learn well, it is more difficult to learn network technology, and now the most profitable thing in computers do you know what it is, network security. Don't think that making software makes money, if you choose network technology, you must learn C language well in college, data structure and network knowledge.
Network** talents
At present, the monthly salary of networks similar to Sina and Sohu is around 5,000 yuan, and the income of medium positions is between 8,000 yuan and 10,000 yuan. "I believe that after 4 years, when the advertising revenue of the entire network ** is increasing, the practitioners will have a better return. "At present, many networks are quite confident in the industry they are engaged in. >>>More
It's a long time.,Let's take a look at the history of computer development.。。
It is recommended that if you want to study computer science, it is best to study network engineering or software engineering. Thank you.
I just finished looking for a job half a year ago, and the summary is as follows: A good major is a good job in a sense, that is, it makes more money and is not too tired, which can be understood in this way!! First of all, let's talk about the general direction, the current major is mainly divided into the following major parts: >>>More