横向
1
Security system blocking unauthorized access
3
Series of commands for a computer
7
Error in computer code
8
Program to access the internet
10
Portable personal computer
11
Main processor of a computer
12
Convert code into executable program
纵向
2
Global computer network
4
Conversion of data into secret code
5
Device that directs network traffic
6
Physical components of a computer
9
Rules for data communication