横向
1
Security system blocking unauthorized access
4
Moving images created digitally
6
Encode data to keep it secure
7
Software designed to harm computers
8
Display screen for a computer
10
Set of instructions for a computer
11
Process of finding and fixing code errors
13
Computer model of a real-world system
纵向
2
Rules for data communication
3
Convert code into executable program
5
Physical components of a computer
9
Smallest unit of digital data
12
Point where user interacts with system