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A—bit B—buffer storage
C—card reader D—character
E—coder F—command
G—data processing H—to edit
I—to encode J—feedback
K—file L—floppy disk
M—frame N—hardware
O—inline processing P—bandwidth
Q—keyboard R—surf the internet
S—Modem T—add a contact
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【参考答案】

J、K
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What is his major______ .
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