填空题
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 ( )上网 ( )调制解调器
【参考答案】
R、S