横向
1
Point where user interacts with system
6
Device that directs network traffic
7
Short-range wireless technology
9
Wireless internet connection
10
Portable personal computer
纵向
2
Storage medium for digital data
3
Data type with true or false values
4
Security system blocking unauthorized access
5
Request for information from a database
8
Computer model of a real-world system
11
Information processed by a computer
12
Reusable block of code