横向
1
Temporary computer memory
3
Encode data to keep it secure
3
Conversion of data into secret code
4
Request for information from a database
6
Temporary storage for fast access
7
Program to access the internet
10
Software designed to harm computers
纵向
2
Global computer network
5
Computer that provides services to others
8
Connected group of computers
9
Function that calls itself
11
Rules for data communication