横向
1
Organized collection of stored data
5
Instructions written for a computer
7
Computer model of a real-world system
9
Programs and applications on a computer
10
Software designed to harm computers
纵向
2
Temporary storage for fast access
3
Point where user interacts with system
4
Request for information from a database
6
Security system blocking unauthorized access
8
Information processed by a computer
11
Collection of web pages
12
Wireless internet connection