横向
1
Unit of digital information equal to 8 bits
2
Programs and applications on a computer
3
Global computer network
5
Point where user interacts with system
6
Computer model of a real-world system
8
Instructions written for a computer
纵向
1
Capacity of a data connection
2
Computer that provides services to others
4
Request for information from a database
7
Short-range wireless technology
9
Set of instructions for a computer
