横向
1
Point where user interacts with system
7
Portable personal computer
8
Smallest unit of a digital image
9
Security system blocking unauthorized access
10
Series of commands for a computer
纵向
1
Global computer network
2
Temporary computer memory
3
Conversion of data into secret code
4
Computer that provides services to others
5
Programs and applications on a computer
6
Data type with true or false values