横向
1
Program to access the internet
4
Rules for data communication
5
Computer that provides services to others
6
Connected group of computers
8
Device that directs network traffic
纵向
2
Encode data to keep it secure
2
Conversion of data into secret code
3
Instructions written for a computer
7
Input device with letter and number keys
9
Short-range wireless technology
10
Function that calls itself
