横向
1
Rules for data communication
4
Wireless internet connection
6
Input device with letter and number keys
7
Short-range wireless technology
9
Ordered collection of data elements
10
Global computer network
纵向
2
Portable personal computer
3
Moving images created digitally
5
Security system blocking unauthorized access
8
Temporary storage for fast access
11
Organized collection of stored data
12
Request for information from a database