横向
1
Computer model of a real-world system
5
Instructions written for a computer
6
Programs and applications on a computer
8
Temporary computer memory
10
Step-by-step problem-solving method
11
Short-range wireless technology
12
Software designed to harm computers
纵向
2
Wired networking technology
3
Input device with letter and number keys
4
Point where user interacts with system
7
Set of instructions for a computer
9
Interface for software to communicate