横向
1
Collection of web pages
4
Device that directs network traffic
6
Computer that provides services to others
7
Temporary computer memory
8
Function that calls itself
9
Series of commands for a computer
13
Computer model of a real-world system
纵向
2
Point where user interacts with system
3
Encode data to keep it secure
5
Error in computer code
10
Data type with true or false values
11
Instructions written for a computer
12
Online data storage and computing
14
Global computer network