横向
1
Point where user interacts with system
5
Rules for data communication
6
Device that directs network traffic
8
Programming language for web browsers
12
Online data storage and computing
纵向
2
Computer that provides services to others
3
Data type with true or false values
4
Instructions written for a computer
7
Software designed to harm computers
9
Ordered collection of data elements
10
Pointer on a computer screen
11
Computer model of a real-world system
13
Encode data to keep it secure