Intel 8051 CPU是()位的单片机。
A. 16
B. 4
C. 8
D. 准16位
What should be done before conducting e-business?
A. Decision making.
B. Needs analysis.
What does the e-customer want?
A. Information about order and fulfillment.
B. Information about similar products.
What should you consider to compete with other suppliers?
A. Proce and size of the catalog.
B. Delivering value to the customer.