A—computer language B—integrated circuit
C—symbolic language D—digital computer
E—microcomputer F—data processing
G—monitor H—to update
I—compact disc J—magnetic storage
K—printed circuit L—printout
M—online processing N—terminal unit
O—keyboard P—machine language
Q—flow chart R—input
S—time sharing
51. ( )符号语言 ( )更新
52. ( )打印输出 ( )集成电路
53. ( )数字计算机 ( )键盘
54. ( )数据处理 ( )输入
55. ( )显示器 ( )磁盘存储器