横向
1
Set of instructions for a computer
4
Programs and applications on a computer
5
Input device with letter and number keys
6
Display screen for a computer
8
Ordered collection of data elements
9
Series of commands for a computer
纵向
2
Point where user interacts with system
3
Program to access the internet
7
Connected group of computers
10
Wired networking technology
11
Data type with true or false values
12
Interface for software to communicate