横向
1
Global computer network
3
Interface for software to communicate
6
Pointer on a computer screen
7
Online data storage and computing
8
Security system blocking unauthorized access
11
Wireless internet connection
纵向
2
Capacity of a data connection
4
Ordered collection of data elements
5
Programs and applications on a computer
9
Smallest unit of digital data
10
Request for information from a database
12
Computer model of a real-world system