求翻译：1982年9月19日，美国卡耐基-梅隆大学的斯科特-法尔曼教授在电子公告板，第一次输入了这样一串ASCII字符：“:-)”。人类历史上第一张电脑笑脸就此诞生。是什么意思？

September 19, 1982, the U.S. Carnegie - Mellon University, Scott - Fa Erman, Professor in the electronic bulletin board for the first time such a string of ASCII characters entered :":-)"。 A computer smiling face of human history was born.

September 19, 1982, Carnegie Mellon University's Scott fahlman, professor in the electronic bulletin board, first enter the string " : -) : ASCII " characters. The first-ever smiley face on a computer was born.

On September 19, 1982, the American card bore the base - mellon university Professor Scott - Fireman in the electronic call-board, first time has input this kind of string ASCII character: “: -)”.In the human history the first computer smiling face is born in light of this.

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