横向
1
Temporary storage for fast access
4
Point where user interacts with system
5
Connected group of computers
10
Data type with true or false values
纵向
2
Ordered collection of data elements
3
Collection of web pages
6
Main processor of a computer
7
Organized collection of stored data
8
Encode data to keep it secure
9
Computer that provides services to others
11
Software designed to harm computers
