横向
1
Instructions written for a computer
3
Rules for data communication
4
Input device with letter and number keys
9
Encode data to keep it secure
10
Wired networking technology
11
Programming language for web browsers
纵向
2
Device that directs network traffic
5
Display screen for a computer
6
Physical components of a computer
7
Unit of digital information equal to 8 bits
8
Error in computer code