横向
1
Smallest unit of digital data
3
Instructions written for a computer
4
Wired networking technology
6
Set of instructions for a computer
7
Main processor of a computer
10
Storage medium for digital data
纵向
2
Rules for data communication
5
Encode data to keep it secure
8
Information processed by a computer
9
Point where user interacts with system
11
Computer model of a real-world system