横向
1
Information processed by a computer
3
Temporary computer memory
4
Wired networking technology
5
Process of finding and fixing code errors
9
Portable personal computer
纵向
1
Organized collection of stored data
2
Connected group of computers
4
Conversion of data into secret code
6
Computer model of a real-world system
7
Unit of digital information equal to 8 bits
8
Instructions written for a computer
10
Encode data to keep it secure
11
Point where user interacts with system