横向
1
Global computer network
5
Smallest unit of digital data
7
Security system blocking unauthorized access
9
Wireless internet connection
10
Point where user interacts with system
11
Convert code into executable program
纵向
2
Computer that provides services to others
3
Rules for data communication
4
Reusable block of code
6
Process of finding and fixing code errors
8
Collection of web pages
12
Encode data to keep it secure
13
Function that calls itself
14
Portable personal computer
15
Capacity of a data connection