横向
1
Security system blocking unauthorized access
4
Request for information from a database
6
Programming language for web browsers
7
Encode data to keep it secure
8
Programs and applications on a computer
纵向
2
Point where user interacts with system
3
Software designed to harm computers
5
Step-by-step problem-solving method
7
Conversion of data into secret code
9
Instructions written for a computer
