Internet is an international computer network composed of wide area network, local area network and single computer according to certain communication protocols. Internet refers to the result of connecting two or more computer terminals, clients and servers through computer information technology. People can email each other with friends thousands of miles away, finish a job together and have fun together.
2. Multimedia:
The English word for Multimedia is multimedia, which consists of two parts: media and multi. Generally understood as the synthesis of various media. Multimedia technology is not a simple combination of various information media. It is an information technology that integrates text, graphics, images, animations, sounds and other information types, and is comprehensively processed and controlled by a computer, which can support a series of interactive operations. Multimedia represents the integration of digital control and digital media. The development of multimedia technology has changed the application field of computers, which are widely used in industrial production management, school education, public information consultation, commercial advertising, military command training, architectural planning and design, and even family life and entertainment. However, multimedia system is not just a single technology, but the integration of various information technologies, which are comprehensively applied to a computer system to realize various functions such as information input, information processing and information output. A complete multimedia system consists of multimedia hardware and multimedia software.
3. Transgene
The artificially separated and modified genes are introduced into the genome of an organism, and the characters of the organism can be genetically modified due to the expression of the introduced genes. This technology is called transgenic technology. People often say that "genetic engineering", "genetic engineering" and "gene transformation" are synonyms for transgenic. Organisms transformed by transgenic technology are often referred to as genetically modified organisms (GMO) in the media.
New terms related to modern science and technology-cloning technology, aerospace breeding, biochip technology, biochip microbial engineering, cell engineering, embryo transfer technology, genetic engineering, etc.