横向
1
Device that directs network traffic
5
Computer model of a real-world system
7
Request for information from a database
8
Set of instructions for a computer
9
Programs and applications on a computer
10
Point where user interacts with system
纵向
2
Ordered collection of data elements
3
Named storage location in code
4
Pointer on a computer screen
6
Connected group of computers
11
Convert code into executable program