A (71) is an independent firm that offers connection and transaction-forwarding services to buyers and sellers engaged in EDI.
综合知识
72/75
Businesses have also been engaging in a type of electronic commerce, (72) occurs when one business transmits computer-readable data in a standard format to another business.
综合知识
73/75
Today it is common to access the Internet from a variety of (73) devices like smartphones and tablets.
综合知识
74/75
For data transmission to be successful, sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as (74).
综合知识
75/75
Computer (75) focuses on protecting information, hardware, and software from unauthorized use and damage.