横向
1
Information processed by a computer
3
Computer model of a real-world system
5
Conversion of data into secret code
8
Software designed to harm computers
9
Request for information from a database
11
Reusable block of code
12
Physical components of a computer
纵向
2
Connected group of computers
4
Wireless internet connection
6
Interface for software to communicate
7
Point where user interacts with system
10
Temporary computer memory
11
Security system blocking unauthorized access
