横向
1
Physical components of a computer
3
Rules for data communication
5
Program to access the internet
6
Function that calls itself
9
Online data storage and computing
纵向
2
Encode data to keep it secure
3
Set of instructions for a computer
4
Point where user interacts with system
6
Temporary computer memory
7
Computer model of a real-world system
8
Security system blocking unauthorized access
10
Global computer network