横向
1
Function that calls itself
6
Input device with letter and number keys
8
Security system blocking unauthorized access
10
Organized collection of stored data
11
Computer that provides services to others
纵向
2
Set of instructions for a computer
3
Named storage location in code
4
Smallest unit of digital data
5
Programming language for web browsers
7
Point where user interacts with system
9
Physical components of a computer
12
Program to access the internet
13
Rules for data communication