横向
1
Interface for software to communicate
3
Connected group of computers
4
Pointer on a computer screen
7
Process of finding and fixing code errors
8
Portable personal computer
10
Physical components of a computer
11
Display screen for a computer
12
Temporary storage for fast access
纵向
2
Point where user interacts with system
5
Rules for data communication
6
Conversion of data into secret code
7
Storage medium for digital data
9
Global computer network