横向
1
Instructions written for a computer
4
Function that calls itself
7
Point where user interacts with system
11
Collection of web pages
纵向
2
Programs and applications on a computer
3
Wired networking technology
5
Temporary computer memory
6
Computer model of a real-world system
8
Conversion of data into secret code
9
Software designed to harm computers
10
Display screen for a computer
12
Security system blocking unauthorized access
13
Programming language for web browsers