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当今世界进入了信息时代。信息的急剧增加使得原有的印刷载体满足不了存储和传递大量信息的要求。随着现代科学技术的飞速发展。出现了缩微载体、声像载体等。八十年代,计算机科学的迅速发展和广泛应用,出版业出现了体积小、存储量大、检索便捷的新型载体—磁带、磁盘、只读光盘、磁卡及其它,其中磁盘即指软盘。软盘根据直径大小分为5.25英寸及3.5英寸两种;根据不同机种又分为小型计算机软件及微机软件。美国BOWK-ER出版公司出版的《软件百科全书》(THE
The world today has entered an information age. The rapid increase of information makes the original printing carrier can not meet the requirements of storing and transmitting a large amount of information. With the rapid development of modern science and technology. There have been miniature carriers, audio-visual carriers and so on. In the 1980s, with the rapid development and widespread application of computer science, the publishing industry has emerged as a small carrier with large storage capacity and convenient retrieval. Tapes, disks, CD-ROMs, magnetic cards and others include floppy disks. According to the diameter of the floppy disk is divided into 5.25 inches and 3.5 inches; according to different models is divided into small computer software and computer software. Encyclopedia of Software Published by BOWK - ER Publishing Company in America