2. 职称英语
  3. A—feedback J—data processingB—floppy disk K—data captureC—check digit L—card r

A—feedback J—data processingB—floppy disk K—data captureC—check digit L—card r

游客2023-09-21  52
问题 A—feedback J—data processing
B—floppy disk K—data capture
C—check digit L—card reader
D—keyboard M—electronic cash
E—flow chart N—index
F—command O—encode
G—control unit P—shareware
H—backbone network Q—display unit
I—integrated circuit [br] ( )校验数位 ( )编码
选项
答案 C O
解析
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