横向
1
Connected group of computers
4
Named storage location in code
5
Programs and applications on a computer
纵向
2
Security system blocking unauthorized access
3
Portable personal computer
6
Computer model of a real-world system
7
Unit of digital information equal to 8 bits
8
Ordered collection of data elements
9
Organized collection of stored data
10
Wireless internet connection
11
Wired networking technology