他在办公室重重地敲打着他的计算机键盘，好像在用一部老式的手动打字机。

He was in his office, battering the keyboard of his computer as if it were an old manual typewriter.

《柯林斯英汉双解大词典》

当您敲击键盘上的字母A（大写A）时，计算机内存中二进制的字母A是什么？

What would be the letter A in binary inside of a computer's memory when you hit the letter A on the keyboard, for capital A?

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看看任何标准的打字机或计算机的键盘。

Look at the keyboard of any standard typewriter or computer.

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So what would be the letter A in binary inside of a computer's memory when you hit the letter A on the keyboard, for capital A?

当你敲击键盘上的字母A时,那么在计算机二进制的存储中,字母A是什么样的呢？

哈佛公开课 - 计算机科学课程节选