横向
1
Portable personal computer
4
Online data storage and computing
5
Connected group of computers
6
Wireless internet connection
7
Pointer on a computer screen
9
Ordered collection of data elements
纵向
2
Point where user interacts with system
3
Programs and applications on a computer
4
Convert code into executable program
8
Computer model of a real-world system
10
Set of instructions for a computer
