横向
1
Request for information from a database
3
Smallest unit of digital data
4
Display screen for a computer
9
Security system blocking unauthorized access
11
Input device with letter and number keys
12
Programs and applications on a computer
纵向
2
Step-by-step problem-solving method
3
Data type with true or false values
5
Main processor of a computer
6
Connected group of computers
7
Wired networking technology
8
Global computer network
10
Instructions written for a computer
