横向
1
Request for information from a database
3
Rules for data communication
6
Temporary storage for fast access
7
Connected group of computers
10
Information processed by a computer
11
Security system blocking unauthorized access
12
Programs and applications on a computer
13
Set of instructions for a computer
纵向
2
Convert code into executable program
4
Program to access the internet
5
Reusable block of code
8
Physical components of a computer
9
Function that calls itself
