中等ICT-NETW-009
A modem is used to:
A. Enter a record into a database form.
B. Perform a dry run of pseudocode.
C. Store a primary key.
D. Connect the local network to the line from the Internet service provider.✓ 答案
解說
A modem links the home or school network to the ISP connection by converting signals for that line. It is not a database object.