横向
1
Short-range wireless technology
6
Interface for software to communicate
7
Input device with letter and number keys
8
Instructions written for a computer
11
Function that calls itself
纵向
2
Connected group of computers
3
Encode data to keep it secure
4
Convert code into executable program
5
Computer model of a real-world system
9
Global computer network
10
Computer that provides services to others
