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多媒体电子出版物 CD—ROM,即压缩只读光盘,它是多媒体电脑中不可缺少的部分,所以也被称为“多媒体软盘”。一张CD—ROM存储量大约为700兆,可容纳30亿个汉字,CD—ROM可记录文字、图像、立体声等信息,一套大英百科全书,加上图像、动画和声音,也用不了几张CD—ROM。1993年全年的《人民日报》全文也仅占一块盘容量的三分之一。国外许多书籍、期刊、手册都已出了CD—ROM版(有的是在出纸版的同时),我国多媒体电子出版物今年上半年可达500
The multimedia electronic publication CD-ROM, a compact disc, is an indispensable part of a multimedia computer and is therefore also referred to as a “multimedia floppy.” A CD-ROM storage capacity of about 700 trillion, can accommodate 3 billion Chinese characters, CD-ROM can record text, images, stereo and other information, a British Encyclopedia, plus images, animation and sound, CD-ROM. The full text of the People’s Daily in 1993 also accounted for only one-third of the total disk capacity. Many foreign books, periodicals and manuals have been out of CD-ROM version (some at the same time in the paper version), China’s multimedia electronic publications in the first half of this year up to 500