横向
1
Request for information from a database
3
Series of commands for a computer
5
Process of finding and fixing code errors
6
Software designed to harm computers
8
Set of instructions for a computer
9
Online data storage and computing
13
Point where user interacts with system
纵向
2
Program to access the internet
4
Computer model of a real-world system
7
Function that calls itself
10
Smallest unit of digital data
11
Storage medium for digital data
12
Device that directs network traffic