横向
1
Series of commands for a computer
4
Named storage location in code
5
Function that calls itself
8
Storage medium for digital data
纵向
2
Instructions written for a computer
3
Program to access the internet
6
Unit of digital information equal to 8 bits
7
Device that directs network traffic
9
Computer model of a real-world system
10
Temporary storage for fast access
11
Collection of web pages
12
Rules for data communication